GM DURAMAX
The GM Duramax engine is known for its power and performance, but for true diesel enthusiasts, stock options just won't cut it. That's where our premium Duramax performance parts come in. We offer a wide selection of quality parts from trusted manufacturers to help you maximize the performance of your Duramax engine.
Whether you're in need of differential parts, cooling system components, exhaust system parts, or fuel system upgrades, we've got you covered. Our goal is to provide the best customer service possible, and we strive to ship out most orders as quickly as possible. Plus, if you find a part advertised for less elsewhere, we'll match that price.
As passionate diesel enthusiasts ourselves, we understand the importance of having access to top-quality performance parts. If you can't find a specific part or have any questions about our selection, feel free to reach out to us at sales@cppdiesel.com. We're here to help you find the parts you need to enhance your Duramax engine.
Take a look at our store to browse through our selection of Duramax performance parts, including turbochargers, air control systems, gaskets, and more. With products like the BORG WARNER S400SX TURBOCHARGER and the CPP DIESEL V-BAND CLAMP, you can trust that you're getting the best when you shop with us. Upgrade your Duramax engine today and experience the power and performance you've been dreaming of.
Whether you're in need of differential parts, cooling system components, exhaust system parts, or fuel system upgrades, we've got you covered. Our goal is to provide the best customer service possible, and we strive to ship out most orders as quickly as possible. Plus, if you find a part advertised for less elsewhere, we'll match that price.
As passionate diesel enthusiasts ourselves, we understand the importance of having access to top-quality performance parts. If you can't find a specific part or have any questions about our selection, feel free to reach out to us at sales@cppdiesel.com. We're here to help you find the parts you need to enhance your Duramax engine.
Take a look at our store to browse through our selection of Duramax performance parts, including turbochargers, air control systems, gaskets, and more. With products like the BORG WARNER S400SX TURBOCHARGER and the CPP DIESEL V-BAND CLAMP, you can trust that you're getting the best when you shop with us. Upgrade your Duramax engine today and experience the power and performance you've been dreaming of.
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AIR INTAKES
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BOOST TUBES / INTAKE MANIFOLDS
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CLUTCH RELATED
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COOLING SYSTEM
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DIFFERENTIAL / DRIVETRAIN
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ENGINE PARTS / ACCESSORIES
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EXHAUST SYSTEM / COMPONENTS
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EXTERIOR ACCESSORIES
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FABRICATION COMPONENTS
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FUEL SYSTEMS / COMPONENTS
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GAUGES / RELATED
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HEAT CONTROL PRODUCTS
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INJECTABLES
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INTERCOOLERS
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INTERIOR ACCESSORIES
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LIGHTING
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OIL FILTERS
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ON-BOARD AIR SYSTEMS
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PULLING / RACING PRODUCTS
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STEERING / SUSPENSION
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SILICONE COUPLERS
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TOWING HITCHES / RELATED
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TRANSMISSION/TRANSFER CASE
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TUNERS / CHIPS / MONITORS
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TURBO / RELATED
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TRAIN HORNS
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BD DIESEL 1062224 ALLISON BUILD-IT STAGE 4 MASTER KIT FOR 06-10 GM 2500HD/3500HD WITH 6.6L LML DURAMAX
BD DIESEL
$3,176.06The BD Diesel 1062224 Allison Build-It Stage 4 Master Kit for 2006-2010 GM Duramax 6.6L LBZ / LMM models is the ultimate solution for enthusiasts looking to rebuild their own transmission with specialty parts that match their high-performance needs...$3,176.06 -
BD DIESEL 1061650 ALLISON 1000 DEEP SUMP TRANSMISSION PAN FOR 01-18 GM 2500HD/3500HD WITH 6.6L LML DURAMAX
BD DIESEL
$583.43Experience enhanced performance and longevity with the BD Diesel 1061650 Allison 1000 Deep Sump Transmission Pan for 2001-2018 GM Duramax 6.6L LB7/LLY/LBZ/LMM/LML engines. Keeping your transmission cool is crucial for its durability, and BD's...$583.43 -
BD DIESEL 1050651 R900 12MM STROKER CP3 INJECTION PUMP FOR 01-10 GM 2500HD/3500HD WITH 6.6L DURAMAX
BD DIESEL
$3,559.07The BD Diesel 1050651 R900 12MM Stroker CP3 Injection Pump for 2001-2010 GM Duramax 6.6L LB7 / LLY / LBZ engines is a powerhouse of engineering designed to take your vehicle's performance to the next level. With modified plungers and stroke, this pump...$3,559.07 -
BD DIESEL 1050323 VENOM FUEL LIFT PUMP & SEPARATOR FOR 11-16 GM 2500HD/3500HD WITH 6.6L LML DURAMAX
BD DIESEL
$1,133.74Enhance the performance of your 2011-2016 GM Duramax 6.6L LML engine with the BD Diesel 1050323 Venom Fuel Lift Pump with Filter Separator. This top-of-the-line lift pump is designed to provide a reliable and efficient fuel delivery system that can...$1,133.74 -
BD DIESEL 1050322 VENOM FUEL LIFT PUMP & SEPARATOR FOR 01-10 GM 2500HD/3500HD WITH 6.6L DURAMAX
BD DIESEL
$1,133.74Enhance the performance of your 2001-2010 GM 6.6L Duramax LB7/LLY/LBZ/LMM engine with the BD DIESEL 1050322 Venom Fuel Lift Pump with Filter Separator. Designed as a direct replacement solution, this fuel lift pump features ultra-quiet ball bearing...$1,133.74 -
BD DIESEL 1050140 FUEL INJECTOR LINE SET FOR 01-04 GM 2500HD/3500HD WITH 6.6L LB7 DURAMAX
BD DIESEL
$631.82The BD Diesel 1050140 Fuel Injector Line Set is the perfect solution for those with 2001-2004 GM Duramax 6.6L LB7 engines looking to replace their stock fuel injector feed lines. These fuel lines are crucial components that often succumb to rust due to...$631.82 -
BD DIESEL 1050112 REMAN CP3 INJECTION PUMP-STOCK FOR 06-10 GM 2500HD/3500HD WITH 6.6L DURAMAX
BD DIESEL
$1,173.84The BD Diesel 1050112 Remanufactured CP3 Injection Pump for 2006-2010 GM Duramax 6.6L LBZ/LMM engines is a top-quality stock exchange option designed to deliver optimal performance and reliability. With over 45 years of experience in rebuilding injection...$1,173.84 -
BD DIESEL 1047116 TURBOCHARGER WASTEGATE TURNBUCKLE FOR 01-04 GM 2500HD/3500HD WITH 6.6L LB7 DURAMAX
BD DIESEL
$80.13The BD Diesel 1047116 Turbocharger Wastegate Turnbuckle for 2001-2004 GM Duramax 6.6L LB7 engines is a precision-engineered solution to fine-tuning your turbocharger boost levels with ease. Crafted from durable stainless steel to resist corrosion, this...$80.13 -
BD DIESEL 1046276 INTAKE HOSE & CLAMP KIT FOR 04.5-05 GM 2500HD/3500HD WITH 6.6L LLY DURAMAX
BD DIESEL
$598.64Ensure that your turbo diesel engine performs at its best with the BD Diesel 1046276 Intake Hose and Clamp Kit designed specifically for the 2004.5-2005 GM Duramax LLY. Experience a worry-free quarter mile pass or hill climb with this top-of-the-line...$598.64 -
BD DIESEL 1046275 INTAKE HOSE & CLAMP KIT FOR 01-04 GM 2500HD/3500HD WITH 6.6L LB7 DURAMAX
BD DIESEL
$598.64Ensure your vehicle is equipped to handle the pressures of a high-performance turbo system with the BD Diesel 1046275 Intake Hose and Clamp Kit designed for 2001-2004 GM Duramax 6.6L LB7 engines. Turbo hoses blowing off can be a major setback during...$598.64 -
BD DIESEL 1046203 T3 MOUNT TURBO PEDESTAL FOR 01-07 GM 2500HD/3500HD WITH 6.6L DURAMAX
BD DIESEL
$394.00The BD Diesel 1046203 T3 Mount Turbo Pedestal is designed for use with AirWerks S300 T3 Mount Turbos, specifically engineered for 2001-2007 GM Duramax 6.6L LB7/LLY models. This high-quality product is built to enhance the performance and efficiency of...$394.00 -
BD DIESEL 1045836 NEW STOCK REPLACEMENT TURBO FOR 01-04 GM 2500HD/3500HD WITH 6.6L LB7 DURAMAX
BD DIESEL
$1,937.09The BD Diesel 1045836 New Stock Replacement Turbo for 2001-2004 GM 6.6L Duramax LB7 engines is a top-quality replacement unit designed to enhance the performance of your Chevy/GMC vehicle. BD Diesel is renowned for its expertise in turbo remanufacturing,...$1,937.09 -
BD DIESEL 1044111 T4 MANIFOLD TO T6 TURBO DUAL VOLUTE ADAPTER
BD DIESEL
$388.47The BD Diesel 1044111 Manifold Flange Adapter T4-T6 Dual Volute Universal is a game-changer in the world of turbo modifications. This adapter flange offers a cost-effective solution that eliminates the need to replace the entire manifold, making it a...$388.47 -
BD DIESEL 1036758 E-PAS POSITIVE AIR SHUT-OFF FOR 07.5-15 DURAMAX
BD DIESEL
$996.86The BD Diesel 1036758 E-PAS Positive Air Shut-Off is your safeguard against the rare but potentially catastrophic Diesel Engine Runaway phenomenon. Just as you have measures in place for other emergencies, this electronic device offers peace of mind by...$996.86 -
BD DIESEL 1036713-M POSITIVE AIR SHUT-OFF (MANUAL CONTROLLED) FOR 11-16 DURAMAX LML
BD DIESEL
$980.27The BD Diesel 1036713-M Positive Air Shut-Off (Manual Controlled) is an essential safety feature for owners of 2011-2016 GM Duramax 6.6L LML diesel engines. Engine Runaway events are rare but dangerous occurrences that can result in catastrophic engine...$980.27 -
BD DIESEL 1032124 TIE ROD UPGRADE FOR 11-19 GM 2500HD/3500HD
BD DIESEL
$358.05Enhance the steering performance of your 2011-2019 GM Silverado or Sierra 2500HD/3500HD with the BD Diesel 1032124 Tie Rod Upgrade. Engineered to deliver unmatched durability and strength, this upgrade will elevate your driving experience on and off the...$358.05 -
BD DIESEL 1030711 2 LOW UNLOC FOR 15-19 GM 2500HD/3500HD
BD DIESEL
$264.03Enhance your off-road experience with the BD Diesel 1030711 2Low Unloc for 2015-2019 GM 2500HD/3500HD 4WD vehicles. This innovative product revolutionizes your 4WD capabilities by giving you the freedom to disable the front-wheel drive mechanism,...$264.03 -
CPP DIESEL UNIVERSAL 10IN ELECTRIC 1750 CFM COOLING FAN KIT
CPP DIESEL
$124.37Enhance your vehicle's cooling system with the CPP Diesel 10-inch Electric Cooling Fan Kit, delivering a powerful and efficient solution for maintaining optimal engine temperatures. This versatile 80-watt fan is designed as a default "pusher" fan,...$124.37 -
BD DIESEL 1030472 ALLISON VALVE BODY FOR 06-10 GM 2500HD/3500HD WITH 6.6L DURAMAX
BD DIESEL
$1,631.52The BD Diesel 1030472 Allison Valve Body for the 2006-2010 Duramax 6.6L LBZ / LMM is a powerhouse of performance and reliability. Handcrafted to perfection, BD's exchange valve bodies undergo rigorous modifications, tuning, and testing to deliver...$1,631.52 -
BD DIESEL 1030471 ALLISON VALVE BODY FOR 04-06 GM 2500HD/3500HD WITH 6.6L DURAMAX
BD DIESEL
$1,631.52Enhance the performance of your 2004-2006 Duramax 6.6L LLY transmission with the BD Diesel 1030471 Allison Valve Body. This expertly crafted valve body has been meticulously modified, tuned, and rigorously tested by BD to deliver unparalleled results in...$1,631.52 -
BD DIESEL 1030230 ALLISON ENHANCED STALL TORQUE CONVERTER FOR 01-10 GM 2500HD/3500HD WITH 6.6L DURAMAX
BD DIESEL
$1,754.58Enhance the performance of your 2001-2010 GM 6.6L Duramax LB7/LLY/LBZ/LMM with the BD Diesel 1030230 Allison Torque Converter. BD Diesel torque converters are engineered to take your vehicle's power to the next level with exclusive features that ensure...$1,754.58 -
BD DIESEL 1028150 UNIVERSAL REMOTE MOUNT 5" EXHAUST BRAKE WITH AIR COMPRESSOR
BD DIESEL
$2,268.94BD DIESEL 1028150 EXHAUST BRAKE-REMOTE MOUNT-5 INCH-WITH AIR COMPRESSOR UNIVERSALFor nearly three decades, BD Diesel has been dedicated to engineering top-of-the-line exhaust brake systems. The BD Diesel 1028150 Exhaust Brake with Remote Mount and 5-inch...$2,268.94 -
BD DIESEL 1028130 UNIVERSAL REMOTE MOUNT 3" EXHAUST BRAKE WITH AIR COMPRESSOR
BD DIESEL
$2,268.94The BD Diesel 1028130 Exhaust Brake-Remote Mount-3 Inch-With Air Compressor Universal is a rugged and reliable addition to your vehicle, designed to enhance your driving experience on steep terrains and mountain roads. With almost three decades of...$2,268.94 -
BD DIESEL 1028050 UNIVERSAL REMOTE MOUNT 5" EXHAUST BRAKE
BD DIESEL
$2,054.62BD DIESEL 1028050 EXHAUST BRAKE-REMOTE MOUNT-5 INCH UNIVERSALFor nearly three decades, BD Diesel has been at the forefront of delivering premium exhaust brake solutions, and the BD Diesel 1028050 Exhaust Brake is a testament to our commitment to...$2,054.62 -
BD DIESEL 1028040 UNIVERSAL REMOTE MOUNT 4" EXHAUST BRAKE
BD DIESEL
$2,054.62Experience the power and reliability of the BD Diesel 1028040 Exhaust Brake-Remote Mount-4 Inch Universal. With over 30 years of expertise in crafting top-of-the-line exhaust brakes, BD Diesel continues to set the standard for quality and performance in...$2,054.62 -
BD DIESEL 1028030 UNIVERSAL REMOTE MOUNT 3" EXHAUST BRAKE
BD DIESEL
$2,054.62The BD Diesel 1028030 Exhaust Brake-Remote Mount-3 Inch Universal is the culmination of nearly three decades of expertise in providing top-notch exhaust brake systems. Having navigated countless hill and mountain roads, BD Diesel has fine-tuned this...$2,054.62 -
BD DIESEL 1024310 EXHAUST BRAKE FOR 01-10 01-04 GM 2500HD/3500HD WITH 6.6L DURAMAX
BD DIESEL
$2,268.94Experience the power and reliability of the BD Diesel 1024310 Exhaust Brake designed for stock exhaust systems of the 2001-2010 Duramax 6.6L LB7/LLY/LBZ/LMM. For nearly three decades, BD Diesel has been perfecting its exhaust brakes to provide the...$2,268.94 -
CPP 3755843 T4 TURBOCHARGER MOUNTING GASKET
CPP DIESEL
$13.81The CPP Diesel 3755843 Turbocharger Mounting Gasket T4 Universal is a high-quality gasket designed specifically for T4 turbocharger applications. This universal mounting gasket is a crucial component for ensuring a proper seal between the turbocharger...$13.81 -
CPP DRIVERS SIDE EXHAUST MANIFOLD FOR 01-16 GM 2500/3500HD WITH 6.6L DURAMAX ENGINE
CPP DIESEL
$122.99Transform the performance of your GM 2500/3500HD with the CPP CPP342 Driver Side Exhaust Manifold, designed specifically for vehicles equipped with the robust 6.6L Duramax engine from 2001 to 2016. Engineered to replace the factory exhaust manifold, this...$122.99 -
CPP PLT8 PUSH LOCK FUEL PRESSURE TEE FOR 1/2" FUEL HOSE
CPP DIESEL
$23.44The CPP Diesel PLT8 Push Lock Fuel Pressure Tee 1/2" Universal is a high-quality component designed for seamless integration into your vehicle's fuel system. Crafted from durable aluminum, this pressure tee features a precision machined construction that...$23.44 -
CPP FUEL FILTER DELETE 2001-2016 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM/LML
CPP DIESEL
$106.40The CPP Duramax Fuel Filter Delete CPP163 is the ultimate solution for any 2001-2016 GM 6.6L Duramax owner seeking to enhance their fuel system performance. Engineered as a direct replacement, this fuel filter delete seamlessly fits in place of your...$106.40 -
CPP 220 AMP ALTERNATOR HIGH OUTPUT FOR 01-07 GM 2500/3500HD WITH DURAMAX ENGINE
CPP DIESEL
$414.74The CPP CPP224 220 Amp Alternator is an essential upgrade for your 2001-2007 GM 2500/3500HD equipped with a Duramax engine, especially if you're looking to enhance your vehicle's electrical performance. Designed to meet the demands of various aftermarket...$414.74 -
CPP AIR BLEEDER SCREW ALUMINUM 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
CPP DIESEL
$13.76The CPP Aluminum Air Bleeder Screw CPP129 offers a durable and reliable solution for owners of 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML vehicles. This upgrade eliminates the need to worry about weak plastic factory screws that may round off or...$13.76 -
CPP GEAR REDUCTION STARTER FOR 01-16 GM 2500/3500HD WITH 6.6L DURAMAX ENGINE
CPP DIESEL
$414.74You can rely on the CPP HD Gear Reduction Starter CPP251 to get your 2001-2019 GM 6.6L Duramax running in the most extreme environments. CPP's HD Gear Reduction Starters are fast, strong, and durable to give you the ability to turn over even the most...$414.74 -
CPP WIF WATER IN FILTER WRENCH FOR 2001-2011 GM 6.6L DURAMAX
CPP DIESEL
$26.20The CPP CPP128 WIF Water In Filter Wrench is an essential tool for every 2001-2011 GM 6.6L Duramax owner. Designed with precision and practicality in mind, this wrench simplifies the process of removing and replacing the factory water in fuel sensor, a...$26.20 -
CPP DIRECT-FIT RADIATOR FOR 11-16 GM 2500/3500HD WITH DURAMAX ENGINE
CPP DIESEL
$725.85Don't just replace the failed radiator in your 2011-2016 GM 6.6L Duramax with a stock replacement, upgrade it with the CPP Direct-Fit Replacement Radiator CPP292. Designed for a simple bolt-on installation, CPP's Radiators look like a factory...$725.85 -
CPP DIESEL ALUMINUM REPLACEMENT RADIATOR FOR 01-05 GM 2500/3500HD WITH DURAMAX ENGINE
CPP DIESEL
$492.17The CPP-0105AL-RAD Aluminum Replacement Radiator presents a robust solution for 2001-2005 GM 2500 and 3500HD models equipped with the Duramax engine. Designed specifically for the rigorous demands of heavy-duty use, this direct-fit replacement...$492.17 -
CPP ALUMINUM RADIATOR FOR 06-10 GM 2500/3500HD WITH DURAMAX ENGINE
CPP DIESEL
$546.10The CPP CPP-0610-ALRAD Aluminum Radiator is an essential upgrade for your 2006-2010 GM 2500/3500HD equipped with a Duramax 6.6L LBZ or LMM engine. This direct-fit replacement radiator is engineered to outperform the factory component, ensuring your...$546.10 -
CPP TRANSMISSION OIL COOLER FOR 01-05 GM 2500/3500HD WITH DURAMAX ENGINE
CPP DIESEL
$284.77The CPP Direct-Fit Transmission Oil Cooler CPP309 is a direct upgrade for the factory transmission oil cooler in your 2001-2005 GM 6.6L Duramax LB7/LLY. CPP Transmission Oil Coolers are made using techniques borrowed from the HD and semi-truck...$284.77 -
CPP TRANSMISSION OIL COOLER FOR 06-10 GM 2500/3500HD WITH DURAMAX ENGINE
CPP DIESEL
$340.08Upgrade the factory transmission cooler in your 2006-2010 GM 6.6L Duramax LBZ/LMM with the CPP Direct-Fit Transmission Oil Cooler CPP310. Manufactured to provide you with the ultimate in strength and durability, CPP Transmission Oil Coolers are made...$340.08 -
CPP RADIATOR DRAIN PIPE FOR 06-19 GM 2500/3500HD WITH DURAMAX ENGINE
CPP DIESEL
$82.89Inline Radiator Hose Drain Designed for applications where the radiator does not have a drain valve Splices into the lower radiator hose allowing for easy access to drain your coolant Specifications: 1.5 inches od, 1.25 inches id, 3 inches long, 1/4...$82.89 -
CPP S400EXFL S400 5" TURBOCHARGER OUTLET FLANGE FOR T6 HOUSING
CPP DIESEL
$62.22Enhance the performance of your diesel engine with the CPP DIESEL S400EXFL S400 5" Exhaust Flange Turbocharger Outlet Universal. Designed specifically for Borg Warner S400 turbos with T-6 exhaust housings and the K31 turbocharger, this exhaust outlet...$62.22 -
WEHRLI WCF100194 2011-2016 LML DURAMAX 4" INTAKE KIT WITH AIR BOX
WEHRLI CUSTOM FABRICATION
$696.09The WEHRLI WCF100194 2011-2016 LML DURAMAX 4" INTAKE KIT WITH AIR BOX is a top-of-the-line upgrade for your 2011-2016 GM LML 6.6L Duramax diesel engine. Crafted with precision and performance in mind, this kit is designed to elevate your vehicle's...$696.09 -
WEHRLI WCF100405 01-05 CHEVROLET 6.6L LB7/LLY DURAMAX THERMOSTAT HOUSING & UPPER COOLANT PIPE KIT
WEHRLI CUSTOM FABRICATION
$615.62The WEHRLI WCF100405 Thermostat Housing and Upper Coolant Pipe Kit for 01-05 Chevrolet 6.6L LB7/LLY Duramax engines is a high-performance upgrade that revolutionizes coolant routing for enhanced engine access and customization options.Crafted from CNC...$615.62 -
WEHRLI WCF100190 2001-2004 LB7 DURAMAX 4" INTAKE KIT WITH AIR BOX
WEHRLI CUSTOM FABRICATION
$669.27The WEHRLI WCF100190 2001-2004 LB7 DURAMAX 4" INTAKE KIT WITH AIR BOX from WCFab is the ultimate upgrade for your GM LB7 6.6L Duramax diesel engine. This meticulously designed intake kit and air box are crafted from high-quality aluminum, offering...$669.27 -
WEHRLI WCF100303 2007.5-2010 LMM DURAMAX 4" INTAKE KIT WITH AIR BOX STAGE 2
WEHRLI CUSTOM FABRICATION
$1,017.99The WEHRLI WCF100303 2007.5-2010 LMM DURAMAX 4" INTAKE KIT WITH AIR BOX STAGE 2 from WCFab is a top-of-the-line, high-performance upgrade for your 2007.5-2010 GM LMM 6.6L Duramax diesel engine. This stage 2 intake kit is engineered to optimize your...$1,017.99 -
WEHRLI WCF100193 2007.5-2010 LMM DURAMAX 4" INTAKE KIT WITH AIR BOX
WEHRLI CUSTOM FABRICATION
$669.27Elevate your diesel engine's performance with the WEHRLI WCF100193 2007.5-2010 LMM DURAMAX 4" INTAKE KIT WITH AIR BOX by WCFab. This top-tier intake solution is specially designed for the 2007.5-2010 GM LMM 6.6L Duramax engines, delivering a significant...$669.27 -
WEHRLI WCF100192 2006-2007 LBZ DURAMAX 4" INTAKE KIT WITH AIR BOX
WEHRLI CUSTOM FABRICATION
$669.27WCFab 2006-2007 GM LBZ 6.6L Duramax 4" Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on your diesel for improved engine performance...$669.27 -
WEHRLI WCF100164 2007.5-2010 LMM DURAMAX HIGH FLOW 3" Y-BRIDGE KIT
WEHRLI CUSTOM FABRICATION
$1,302.02This LMM 3" Y-Bridge Kit is an upgraded high flow intake kit for the 2007.5-2010 LMM 6.6L Duramax which replaces the OEM upper intake manifold supplying air to the engine intake runners. The OEM Y-bridge for these trucks is a poorly designed, slip-fit...$1,302.02 -
WEHRLI WCF100702 | 2020-2024 L5P DURAMAX 4" INTAKE KIT WITH AIR BOX
WEHRLI CUSTOM FABRICATION
$837.96WCFab's 4" High flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on the 2020-2025 L5P 6.6L Duramax equipped Chevrolet Silverado and GMC Sierra 2500 / 3500 HD trucks for...$837.96 -
WEHRLI WCF100718 | 2017-2019 L5P DURAMAX STAGE 1 HIGH FLOW INTAKE BUNDLE KIT
WEHRLI CUSTOM FABRICATION
$819.18Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory design that can lead to boost leaks or complete failures in...$819.18 -
WEHRLI WCF100684 2020-2024 L5P DURAMAX 4" INTAKE KIT WITH AIR BOX STAGE 2
WEHRLI CUSTOM FABRICATION
$1,100.84High flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on the 2020-2024 L5P 6.6L Duramax equipped Chevrolet Silverado / GMC Sierra 2500 / 3500 HD trucks for improved engine...$1,100.84 -
WEHRLI WCF100433 17-19 CHEVROLET 6.6L L5P DURAMAX OEM PLACEMENT COOLANT TANK KIT
WEHRLI CUSTOM FABRICATION
$663.60The WCFab 2017-2019 L5P Duramax 2500 / 3500 & 2019+ L5D Duramax 4500 / 5500 / 6500 Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. The stock coolant reservoirs on these trucks are known to become cloudy and yellow with age...$663.60 -
WEHRLI WCF100328 2011-2016 LML DURAMAX PASSENGER SIDE UPPER CROSSOVER INTERCOOLER PIPE KIT
WEHRLI CUSTOM FABRICATION
$630.07The 3" High Flow Passenger Side Upper Crossover Intercooler Pipe for 2011-2016 LML Duramax provides a 20% increase in size over the OEM part allowing for less restriction in airflow and an increase in efficiency and turbo spool up. Eliminates resonator...$630.07 -
WEHRLI WCF100301 2004.5-2005 LLY DURAMAX 4" INTAKE KIT WITH AIR BOX STAGE 2
WEHRLI CUSTOM FABRICATION
$1,052.55WCFab 2004.5-2005 GM LLY 6.6L Duramax Stage 2 Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on your diesel for improved engine...$1,052.55 -
WEHRLI WCF100300 2001-2004 LB7 DURAMAX 4" INTAKE KIT WITH AIR BOX STAGE 2
WEHRLI CUSTOM FABRICATION
$824.55WCFab 2001-2004 GM LB7 6.6L Duramax 4" Stage 2 Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on your diesel for improved engine...$824.55 -
WEHRLI WCF100163 2006-2007 LBZ DURAMAX HIGH FLOW 3" Y-BRIDGE KIT
WEHRLI CUSTOM FABRICATION
$1,302.02This LBZ 3" Y-Bridge Kit is an upgraded high flow intake kit for the 2006-2007 6.6L Duramax diesel engine which replaces the OEM upper intake manifold supplying air to the engine intake runners. The OEM Y-bridge for these trucks is a poorly designed,...$1,302.02 -
WEHRLI WCF100544 03-07 DODGE 5.9L CUMMINS PASSENGER SIDE 3IN REPLACEMENT INTERCOOLER PIPE
WEHRLI CUSTOM FABRICATION
$348.41Passenger Side 3" Intercooler pipe for use with OEM style Holset turbo and intercooler. Includes high quality silicone boots and stainless T-bolt clamps to eliminate boost leaks commonly encountered with OEM components when increasing boost pressures...$348.41 -
WEHRLI WCF100379 OIL LINE KIT S400 TWIN/COMP TURBO LML DURAMAX
WEHRLI CUSTOM FABRICATION
$240.08Oil line kit For S400 Turbo in a Twin or Remote Mount Application Stainless braided drain and feed Lines, Fittings for turbo, oil pan and engine block. Enhance the performance and reliability of your LML Duramax engine with the WEHRLI WCF100379...$240.08 -
WEHRLI WCF100421 11-16 DURAMAX BATTERY TRAY RELOCATION KIT
WEHRLI CUSTOM FABRICATION
$119.37This bracket allows the passenger side battery on 2011-2016 Chevrolet Silverado and GMC Sierra LML Duramax diesel trucks to be relocated forward into the OEM air box location behind the headlight in order to make room for custom twin (compound) turbo...$119.37 -
WEHRLI WCF100367 2006-2010 LBZ/LMM DURAMAX 3.5" PASSENGER (COLD) SIDE INTERCOOLER PIPE KIT
WEHRLI CUSTOM FABRICATION
$521.73Enhance the performance of your 2006-2010 LBZ/LMM Duramax with the WEHRLI WCF100367 3.5" Passenger (Cold) Side Intercooler Pipe Kit. Crafted to perfection, this kit features a high-flow 3.5" aluminum pipe that replaces the factory plastic component prone...$521.73 -
WEHRLI WCF100302 2006-2007 LBZ DURAMAX 4" INTAKE KIT WITH AIR BOX STAGE 2
WEHRLI CUSTOM FABRICATION
$1,052.55WCFab 2006-2007 GM LBZ 6.6L Duramax Stage 2 Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on your diesel for improved engine...$1,052.55 -
WEHRLI WCF100410 20-22 DURAMAX L5P HIGH FLOW INTAKE BUNDLE KIT
WEHRLI CUSTOM FABRICATION
$899.65Stage 1 upgrade for the 2020-2025 L5P 6.6L Duramax Diesel Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool-up. Eliminates weak points in the...$899.65 -
WEHRLI WCF100235 LBZ/LMM DURAMAX HIGH FLOW 3" Y-BRIDGE (BRIDGE ASSEMBLY ONLY)
WEHRLI CUSTOM FABRICATION
$765.53***BRIDGE ASSEMBLY ONLY*** The factory LBZ/LMM Y-bridge is a poorly designed slip-in style two piece bridge with very little support that is prone to blowing apart under boost and creating poor drivability and performance. This kit is a much improved,...$765.53 -
WEHRLI WCF100411 2001-2004 LB7 DURAMAX STAGE 1 HIGH FLOW INTAKE BUNDLE KIT
WEHRLI CUSTOM FABRICATION
$1,495.15Already have an air intake and turbo down pipe that you're happy with, but looking to improve your LB7's performance and efficiency by addressing weak points in the OEM components between the turbo and engine? Check out the WCFab Stage 1 High Flow...$1,495.15 -
WEHRLI WCF100355 2004.5-2005 LLY DURAMAX 3" PASSENGER (COLD) SIDE INTERCOOLER PIPE KIT
WEHRLI CUSTOM FABRICATION
$408.77The 3" High Flow Passenger Side Intercooler Pipe for 2004.5-2005 LLY Duramax replaces the 2.5" factory aluminum pipe with a high flow, mandrel bent, 14 ga. aluminum one piece 3" pipe. This part uses upgraded silicone boots in order to withstand higher...$408.77 -
WEHRLI WCF100344 2017-2019 L5P DURAMAX 4" INTAKE KIT WITH AIR BOX
WEHRLI CUSTOM FABRICATION
$769.86WCFab 4" Intake Kit with Air Box for 2017-2019 GM L5P 6.6L Duramax equipped Chevrolet Silverado and GMC Sierra 2500 / 3500 HD trucks. This high-flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive...$769.86 -
WEHRLI WCF100676 LML DURAMAX TWIN TURBO PEDESTAL
WEHRLI CUSTOM FABRICATION
$362.13Twin Turbo Pedestal for LML Duramax. #8 JIC / -8AN turbo drain incorporated into turbo mount. Comes standard with a semi-gloss black powder coat finish, includes hardware for mounting to engine block. The WEHRLI WCF100676 LML Duramax...$362.13 -
WEHRLI WCF100682 11-16 DURAMAX LML PASSENGER SIDE 3.5 IN. INTERCOOLER PIPE
WEHRLI CUSTOM FABRICATION
$462.42The 3.5" High Flow Passenger Side Intercooler Pipe for 2011-2016 LML Duramax replaces the factory plastic two-piece pipe with a high flow, 14 ga. aluminum one piece 3.5" pipe. This part uses upgraded silicone boots to withstand higher boost...$462.42 -
WEHRLI WCF100276 17-21 CHEVROLET L5P DURAMAX RELOCATION MOUNT FASS LIFT PUMP
WEHRLI CUSTOM FABRICATION
$79.132017-2023 L5P Duramax Fass Fuel System Relocation Mounting Bracket. Relocates the FASS fuel system to underneath the truck just in front of the fuel tank. -Mount Bracket-Zinc primer & Semi gloss black powder coat finish The WEHRLI WCF100276...$79.13 -
WEHRLI WCF100291 15-19 GMC SIERRA 6.6L LML/L5P DURAMAX BUMPER GRILLE
WEHRLI CUSTOM FABRICATION
$194.48The WEHRLI WCF100291 Bumper Grille is a must-have accessory for 2015-2019 LML/L5P GMC Sierra HD owners looking to enhance both the protection and style of their trucks. Crafted from heavy gauge stainless steel, this grille is built to last and provide...$194.48 -
WEHRLI WCF100290 2015-2019 CHEVROLET SILVERADO 2500/3500 HD BUMPER GRILLE
WEHRLI CUSTOM FABRICATION
$202.222015-2019 LML/L5P Chevrolet Silverado HD Bumper Grilles from WCFab are constructed from heavy gauge stainless steel and designed to maintain airflow to your transmission cooler while offering a significant upgrade in protection against flying road debris...$202.22 -
WEHRLI WCF100441 2017-2019 L5P DURAMAX STAGE 2 HIGH FLOW INTAKE BUNDLE KIT
WEHRLI CUSTOM FABRICATION
$1,857.28The Stage 2 upgrade for the 2017-2019 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 truck combines our Stage 1 High Flow Bundle and Stage 2 Intake Kit into a single package providing increased airflow for your turbo and engine...$1,857.28 -
WEHRLI WCF100412 2006-2010 LBZ/LMM DURAMAX HIGH FLOW TURBO INTAKE HORN
WEHRLI CUSTOM FABRICATION
$529.48The WCFab LBZ/LMM 4.8 in. High Flow Cast Aluminum intake horn for LBZ/LMM replaces the restrictive OEM plastic inlet to provide increased airflow to your turbo for improved performance and throttle response. Includes port for PCV connection. Eliminates...$529.48 -
WEHRLI WCF100402 6.6L LML DURAMAX HIGH PRESSURE LINE CP3 CONVERSION KIT
WEHRLI CUSTOM FABRICATION
$521.73Longer and Larger I.D. High-Pressure Line than Street Series Kit (WCF100711) and other CP3 Conversion Kits offered on the market which allows for more fuel volume. High pressure fitting at the rail is also a larger I.D. as compared to the standard...$521.73 -
WEHRLI WCF100414 2020-2024 L5P DURAMAX STAGE 2 HIGH FLOW INTAKE BUNDLE KIT
WEHRLI CUSTOM FABRICATION
$1,964.58The Stage 2 upgrade for the 2020-2024 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 truck combines our Stage 1 High Flow Bundle and Stage 2 Intake Kit into a single package providing increased airflow for your turbo and...$1,964.58 -
WEHRLI WCF100404 11-14 GM 2500/3500 HD BUMPER SPACER KIT - 3/4IN
WEHRLI CUSTOM FABRICATION
$266.902011-2014 Silverado 2500HD / 3500HD CNC machined billet aluminum spacer kits from WCFab move the front bumper forward off the frame horns 3/4 of an inch while maintaining maximum mounting surface area for structural integrity. Moving the bumper forward...$266.90 -
WEHRLI WCF100285 11-14 CHEVROLET SILVERADO 2500/3500 HD / DURAMAX LML BUMPER GRILLE
WEHRLI CUSTOM FABRICATION
$229.042011-2014 Chevrolet Silverado HD Bumper Grilles from WCFab are constructed from heavy gauge stainless steel and designed to maintain airflow to your transmission cooler while offering a significant upgrade in protection against flying road debris. The...$229.04 -
WEHRLI WCF100373 17-22 L5P DURAMAX BILLET EXHAUST MANIFOLD KIT W/ GASKETS AND ARP HARDWARE
WEHRLI CUSTOM FABRICATION
$2,005.12WCFab’s 2017-2025 Duramax Billet Exhaust Manifolds with EGR Riser Flange replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components designed to enhance exhaust flow characteristics, improving turbo...$2,005.12 -
WEHRLI WCF100699 GM BILLET HEATER CORE FITTING KIT W/ HOSE
WEHRLI CUSTOM FABRICATION
$96.57High quality preformed universal 1/2" heater hose assembly with billet aluminum quick-connect fitting replaces the leak prone OEM fitting. Servicable O-ring seals inside of billet fitting install with lube and wire retainer clip connection allows for...$96.57 -
WEHRLI WCF100114 2020-2024 GM 2500/3500HD & 2019-2023 RAM 2500/3500 REAR DIFFERENTIAL COVER
WEHRLI CUSTOM FABRICATION
$509.36Fabricated Aluminum Differential Cover for Rear Axle on 2020-2025 GM Duramax HD Trucks and 2019-2024 Dodge Ram 2500/3500. Comes finished in your choice of WCFab's signature custom powder coat colors for a look as unique as your truck. Replaces the...$509.36 -
WEHRLI WCF100352 | 2004.5-2010 LLY/LBZ/LMM DURAMAX DRIVER (HOT) SIDE 3" INTERCOOLER PIPE KIT
WEHRLI CUSTOM FABRICATION
$422.18LLY, LBZ, LMM Duramax One Piece High Flow 3" Driver Side Intercooler pipe. Replaces the 2 1/2" OEM inter cooler with a full 3" pipe. The OEM Pipe uses a reverse style bead roll design at the turbo which is prone for blowing off of the turbo under higher...$422.18 -
WEHRLI WCF100644 11-16 CHEVROLET 6.6L LML DURAMAX TWIN TURBO STYLE COOLANT TANK KIT
WEHRLI CUSTOM FABRICATION
$462.72LML Duramax Fabricated Aluminum Coolant Tank Kit for Twin Turbo Applications mounts on passenger side fender. Does not allow use of passenger side battery in OEM location, must be relocated. -Coolant Tank-Low coolant...$462.72 -
WEHRLI WCF100113 01-19 CHEVROLET DURAMAX/03-19 DODGE CUMMINS 11.5IN AAM REAR DIFF. COVER
WEHRLI CUSTOM FABRICATION
$509.36These Fabricated Aluminum Differential Covers for AAM 11.50 Rear Axle on Dodge / RAM and GM HD Trucks from WCFab are precision laser cut, CNC Bent, and fully TIG welded aluminum assemblies designed to replace the OEM cover. Includes a 1" Fill Port (with...$509.36 -
WEHRLI WCF100363 01-16 CHEVROLET DURAMAX EXHAUST MANIFOLD KIT W/ GASKETS & HARDWARE
WEHRLI CUSTOM FABRICATION
$1,782.48WCFab’s 2001-2016 Duramax Billet Exhaust Manifolds replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components designed to enhance exhaust flow characteristics, improving turbo spool up, lowering EGTs...$1,782.48 -
WEHRLI WCF100432 2011-2019 GM 2500/3500 HD LOWER SPLASH SHIELD KIT
WEHRLI CUSTOM FABRICATION
$399.38The WCFab Splash Shield Kit for 2011-2019 Chevrolet Silverado 2500/3500 HD and GMC Sierra/Denali 2500/3500 HD trucks replaces the easily damaged factory plastic part covering the lower engine bay and cooling stack. Our heavy gauge aluminum splash shield...$399.38 -
WEHRLI WCF100463 2001-2010 GM 2500/3500 HD LOWER SPLASH SHIELD KIT
WEHRLI CUSTOM FABRICATION
$399.38The WCFab Splash Shield Kit for 2001-2010 Chevrolet Silverado 2500/3500 HD and GMC Sierra/Denali 2500/3500 HD trucks replaces the easily damaged factory plastic part covering the lower engine bay and cooling stack. Our heavy gauge aluminum splash shield...$399.38 -
WEHRLI WCF100268 20-22 CHEVROLET-GMC 6.6L L5P DURAMAX OEM PLACEMENT COOLANT TANK KIT
WEHRLI CUSTOM FABRICATION
$703.842020-2025 L5P Duramax Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. Dress up your engine bay by replacing the ugly clear plastic coolant reservoir with our custom powder coated fabricated aluminum coolant tank with sight...$703.84 -
WEHRLI WCF100325 L5P DURAMAX T4 TURBO PEDESTAL
WEHRLI CUSTOM FABRICATION
$1,111.87Heavy Duty Fabricated Turbo Pedestal allows you to mount a T4 flange style Turbo for custom build racing applications- 2" OD Stainless Steel 11 gauge tubing- Compatible with OEM or WCFAB 2" High Flow Turbo Up Pipes- Black High Temp Ceramic Coated...$1,111.87 -
WEHRLI WCF100205 01-19 CHEVROLET LB7/LLY/LBZ/LMM/LML/L5P DURAMAX BRAKE MASTER CYLINDER COVER
WEHRLI CUSTOM FABRICATION
$215.63Clean up the engine bay of your 2001-2019 Chevy Silverado or GMC Sierra 2500/3500 Duramax truck with this custom powder coated fabricated aluminum brake reservoir cover from WCFab that fits over the unsightly OEM plastic reservoir. Pair with a WCFab...$215.63 -
WEHRLI WCF100353 11-16 CHEVROLET 6.6L LML DURAMAX DRIVER SIDE 3IN INTERCOOLER PIPE
WEHRLI CUSTOM FABRICATION
$422.18The 3" High Flow Driver Side Intercooler Pipe for 2011-2016 LML Duramax replaces the factory two piece 2 ½" pipe with a high flow one piece 3" pipe. It also includes upgraded silicone boots that withstand higher pressure and temperature than the...$422.18 -
WEHRLI WCF100360 2017-2019 L5P DURAMAX 4" INTAKE KIT WITH AIR BOX STAGE 2
WEHRLI CUSTOM FABRICATION
$1,072.67WCFab Stage 2 Intake Kit with Air Box for 2017-2019 GM L5P 6.6L Duramax equipped Chevrolet Silverado and GMC Sierra 2500 / 3500 HD trucks. This high-flow fabricated aluminum intake pipe, intake horn, and air box enclosure with dry filter assembly...$1,072.67 -
WEHRLI WCF100466 06-10 GM LBZ/LMM DURAMAX PASSENGER SIDE INTERCOOLER OUTLET ELBOW KIT
WEHRLI CUSTOM FABRICATION
$328.29The 3.5" High Flow Intercooler Outlet Elbow for 2006-2010 LBZ/LMM Duramax replaces the factory plastic piece pipe with a high flow, 14 ga. aluminum fabricated 3.5" pipe. This part uses a CNC machined flange with a double o-ring seal, comes supplied with...$328.29 -
WEHRLI WCF100720 2020-2024 L5P DURAMAX 4" INTAKE RESONATOR PIPE
WEHRLI CUSTOM FABRICATION
$321.594" Intake Resonator Pipe for the Factory (VGT) Turbo on 2020-2025 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck. Dress up your engine bay and remove the plastic turbo resonator box Reduces air restriction allowing...$321.59 -
WEHRLI WCF100362 2020+ L5P DURAMAX SHORT BED FUEL FILTER HOUSING KIT
WEHRLI CUSTOM FABRICATION
$317.87Increase fuel filter capacity and time between filter changes on your 2020-2024 Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck equipped with the 6.6L L5P Duramax diesel by upgrading from a stock cartridge style filter to our spin-on canister...$317.87 -
WEHRLI WCF100361 17-19 DURAMAX L5P / 2020+ L5P DURAMAX LONG BED FUEL FILTER HOUSING KIT
WEHRLI CUSTOM FABRICATION
$317.87Increase fuel filter capacity and time between filter changes on your 2017-2019 Chevrolet Silverado or GMC Sierra (as well as 2020-2024 Long Bed trucks) equipped with the L5P Duramax 6.6L diesel engine by upgrading from a stock cartridge style filter to...$317.87 -
WEHRLI WCF100189 04.5-2010 DURAMAX LLY/LBZ/LMM CRANKCASE VENT (PCV) FITTING KIT - BILLET BLACK ANODIZED
WEHRLI CUSTOM FABRICATION
$61.70Replace the fragile plastic OEM fittings on the top of your 2004.5-2010 LLY/LBZ/LMM Duramax engine which are prone to damage with these high quality, black anodized, CNC machined billet aluminum fittings from WCFab. No tuning required. - Kit includes...$61.70 -
WEHRLI WCF100459 20+ GM 2500/3500 HD LOWER SPLASH SHIELD KIT
WEHRLI CUSTOM FABRICATION
$399.38The WCFab Splash Shield Kit for 2020-2025 Chevrolet Silverado 2500/3500 HD and GMC Sierra/Denali 2500/3500 HD trucks replace the easily damaged factory plastic part covering the lower engine bay and cooling stack. Our heavy gauge aluminum splash shield...$399.38 -
WEHRLI WCF100420 06-10 DURAMAX LBZ/LMM THERMOSTAT HOUSING KIT
WEHRLI CUSTOM FABRICATION
$583.13The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM 6.6L Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant...$583.13 -
WEHRLI WCF100424 2006-2010 LBZ/LMM DURAMAX TOP OUTLET BILLET THERMOSTAT HOUSING AND UPPER COOLANT PIPE KIT FOR DUAL CP3
WEHRLI CUSTOM FABRICATION
$583.13The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant...$583.13