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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CPP 3755843 T4 TURBOCHARGER MOUNTING GASKET
CPP DIESEL
$9.99The 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...$9.99 -
XDP XD521 REMANUFACTURED CP3 FUEL PUMP FOR 01-04 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$525.95The XDP Remanufactured CP3 Fuel Pump (Stock Replacement) XD521 replaces the failed or underperforming fuel pump in your 2001-2004 GM 6.6L Duramax LB7. A bad or poorly functioning fuel pump can produce low fuel rail pressure which can cause power loss or...$525.95 -
XDP XD522 REMANUFACTURED CP3 FUEL PUMP FOR 04.5-05 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$599.95Purchase the XDP Remanufactured CP3 Fuel Pump (Stock Replacement) XD522 and replace the underperforming pump on your 2004.5-2005 GM 6.6L Duramax LLY. When your CP3 pump goes bad or begins to function poorly, you can experience low fuel rail pressure and...$599.95 -
XDP XD523 REMANUFACTURED CP3 FUEL PUMP FOR 06-10 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$599.95Replace the failed CP3 fuel pump on your 2006-2010 GM 6.6L Duramax LBZ/LMM with the XDP Remanufactured CP3 Fuel Pump (Stock Replacement) XD523. If your fuel rail pressure is low or you’re experiencing a loss of power, it could be due to a failed CP3 pump...$599.95 -
XDP XD518 FUEL CONTAMINATION KIT FOR 11-16 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$4,495.95The XDP Duramax 6.6L LGH Fuel Contamination Kit XD518 includes the items you need to repair the fuel system in your 2011-2016 GM Duramax 6.6L LGH after a CP4 injection pump failure. The factory CP4 pump is a known weak point and often fails in a...$4,495.95 -
XDP XD517 FUEL CONTAMINATION KIT FOR 11-16 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$3,975.95The XDP Duramax 6.6L LML Fuel Contamination Kit XD517 is an all-inclusive kit that provides everything you need to get your 2011-2016 GM 6.6L Duramax LML back on the road. When the CP4 injection pump fails in your truck, it often sends contaminants...$3,975.95 -
XDP XD494 REMANUFACTURED LLY FUEL INJECTOR FOR 04.5-05 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$258.95Maintain the factory function of the fuel system on your Duramax with the XDP Remanufactured LLY Fuel Injector (Stock HP) XD494. With more than 30 million fuel injectors on the road, you can be sure that this injector will deliver the fuel flow that your...$258.95 -
XDP XD493 REMANUFACTURED LBZ FUEL INJECTOR FOR 06-07 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$258.95Keep the fuel system on your Duramax functioning properly with the XDP Remanufactured LBZ Fuel Injector XD493. With more than 30 million injectors on the road you can drive with confidence and be sure that these fuel injectors will keep your fuel system...$258.95 -
XDP XD492 REMANUFACTURED LMM FUEL INJECTOR FOR 07.5-10 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$279.95The XDP Remanufactured LMM Fuel Injector (Stock HP) XD492 will provide a dependable replacement for a failed fuel injector on your vehicle. With more than 30 million fuel injectors on the road, you can be sure XDP fuel Injectors deliver the proper...$279.95 -
XDP XD488 REMANUFACTURED LB7 FUEL INJECTOR FOR 01-04 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$204.95Replace the failed fuel injector on your vehicle with the XDP Remanufactured LB7 Fuel Injector XD488. With more than 30 million fuel injectors on the road, you can drive, haul, or tow easily knowing that the XDP fuel injectors meet or exceed the factory...$204.95 -
XDP XD487 REMANUFACTURED LML FUEL INJECTOR WITH BOLT FOR 11-16 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$219.95The XDP Remanufactured LML Fuel Injector With Bolt (Stock HP) XD487 provides you with a high-quality replacement for the failed injector in your vehicle. With over 30 million remanufactured parts on the road, you can be sure that these Injectors keep...$219.95 -
XDP XD482 REMANUFACTURED LGH FUEL INJECTOR WITH BOLT FOR 11-16 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$229.95The XDP Remanufactured LGH Fuel Injector With Bolt (Stock HP) XD482 is a high-quality replacement for the failed injector in your 2011-2016 GM 6.6L Duramax LGH. With over 30 million fuel injectors on the road, you can be certain each injector is built to...$229.95 -
XDP XD410 LB7 INJECTOR CUP AND O-RING SET FOR 01-04 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$245.95The XDP LB7 Injector Cup and O-Ring Set XD410 helps hold the fuel injector in the cylinder head of your 2001-2004 GM 6.6L Duramax LB7. The factory injector cups are known to seize in the head, leak, and even corrode. When this happens it can often cause...$245.95 -
XDP XD414 UNIVERSAL 1.5 INCH MECHANICAL PRESSURE GAUGE
XDP
$39.951.5 Inch Mechanical Pressure Gauge XDPThe XDP XD414 Universal 1.5 Inch Mechanical Pressure Gauge is an essential tool for accurately measuring fluid pressure in a variety of applications. Built with precision and reliability in mind, this gauge features...$39.95 -
XDP XD385 ROCKER ARM SHAFTS FOR 01-19 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$484.95The XDP Rocker Arm Shafts XD385 are specially designed to minimize the common oiling issues in the 2001-2019 GM 6.6L Duramax engines. From the factory, the oil supply to the rocker arm is shut off as the valve is opened. This lack of lubrication can...$484.95 -
XDP XD384 BILLET ROCKER ARM VALVE BRIDGE SET FOR 01-16 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$459.95The XDP Billet Rocker Arm Valve Bridge Set XD384 will greatly improve the factory valvetrain in your modified 2001-2016 GM 6.6L Duramax. The OE rocker arm bridges in your valvetrain were designed for stock output levels. Once modified, your Duramax...$459.95 -
XDP XD350 WRINKLE BLACK HD HIGH OUTPUT ALTERNATOR FOR 11-19 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$595.95Enhance the charging system in your 2011-2019 GM 6.6L Duramax with the XDP Wrinkle Black HD High Output Alternator XD350. While many Duramax owners upgrade their truck for performance, the charging system is often overlooked until there is an issue...$595.95 -
XDP XD351 WRINKLE BLACK HD HIGH OUTPUT ALTERNATOR FOR 07.5-10 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$439.95The XDP Wrinkle Black HD High Output Alternator XD351 improves the capability of the charging system in your 2007.5-2010 GM 6.6L Duramax LMM and also increases underhood aesthetics. The LMM Duramax is known as an easy to modify workhorse, but the...$439.95 -
XDP XD355 WRINKLE BLACK HD HIGH OUTPUT ALTERNATOR FOR 01-07 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$429.95Increase the output of the charging system in your 2001-2007 GM 6.6L Duramax with the XDP Wrinkle Black HD High Output Alternator XD355. The Duramax engine is a known powerhouse that is easy to modify, but the charging system is often forgotten about...$429.95 -
XDP XD345 EPC SOLENOID FOOLER PLUG FOR 11-19 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$58.95Increase the durability, line pressure, and performance of the Allison transmission in your 2011-2019 GM 6.6L Duramax LML and L5P with the XDP EPC Solenoid Fooler Plug XD345. From the factory, the function of the EPC solenoid is to increase line pressure...$58.95 -
XDP XD344 BILLET COOLANT BLOCK-OFF PLATE FOR 01-22 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$64.95Put the XDP Billet Coolant Block-Off Plate XD344 in your 2011-2017 GM 6.6L Duramax to permanently eliminate coolant leaks from the rear housing on your LML and L5P engine. The factory cover uses a gasket and over time the plate can warp, and the gaskets...$64.95 -
CPP DRIVERS SIDE EXHAUST MANIFOLD FOR 01-16 GM 2500/3500HD WITH 6.6L DURAMAX ENGINE
CPP DIESEL
$88.95Transform 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...$88.95 -
XDP XD137 WATER IN FUEL SENSOR DELETE PLUG FOR 01-16 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$29.95The XDP WIF Sensor delete plug XD137 is a quick and simple solution to ending all the issues caused by the factory Water In Fuel (WIF) Sensor in your 2001-2016 GM 6.6L Duramax. The factory sensor is made of plastic and often times just doesn't last. Over...$29.95 -
XDP XD138 FUEL FILTER HEAD SPACER KIT FOR 01-16 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$8.95The XDP Fuel Filter Head Spacer Kit XD138 is a quick and inexpensive solution to a common problem for GM Duramax owners. The Fuel Filter Head spacer is designed to address the tight fit of your fuel filter wrench around the fuel filter. The kit allows...$8.95 -
CPP PLT8 PUSH LOCK FUEL PRESSURE TEE FOR 1/2" FUEL HOSE
CPP DIESEL
$16.95The 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...$16.95 -
CPP FUEL FILTER DELETE 2001-2016 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM/LML
CPP DIESEL
$76.95The 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...$76.95 -
XDP XD182 FUEL TANK SUMP ONE HOLE DESIGN MOST DIESEL FUEL TANKS
XDP
$149.95The XDP Fuel Tank Sump XD182 is the perfect solution for those wanting to build their own custom fuel system with an aftermarket lift pump. This One Hole Design Fuel Tank Sump is easier to install than others on the market, and it only requires one hole...$149.95 -
CPP 220 AMP ALTERNATOR HIGH OUTPUT FOR 01-07 GM 2500/3500HD WITH DURAMAX ENGINE
CPP DIESEL
$299.95The 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...$299.95 -
XDP XD228 FUEL FILTER ADAPTER & FILTER DELETE O-RING FOR 01-16 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$1.95The XDP Duramax CAT Filter Adapter and Filter Delete O-Ring XD228 is a replacement O-Ring Seal for the XDP Duramax CAT Filter Adapter, or the XDP Duramax Fuel Filter Delete for your 2001-2016 GM 6.6L Duramax. While the original seal provides a long...$1.95 -
XDP XD239 TURBO RESONATOR DELETE PLATE FOR 11-16 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$37.95The XDP Turbo Resonator Delete Plate XD239 allows you to clean up your underhood and remove the unsightly turbo resonator on top of your 2011-2016 GM 6.6L Duramax LML engine. Featuring a billet aluminum construction, this plate is manufactured for a...$37.95 -
XDP XD243 FUEL TANK SUMP ONE HOLE DESIGN WITH FUEL RETURN
XDP
$185.95The XDP Fuel Tank Sump with Built-In Fuel Return XD243 provides you with a perfect option for custom fuel delivery with an aftermarket fuel system. The XD243 features a one-hole design that only requires drilling a single 3 inch hole for installation. A...$185.95 -
CPP AIR BLEEDER SCREW ALUMINUM 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
CPP DIESEL
$9.95The 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...$9.95 -
XDP XD308 O-RING FOR RACE FUEL VALVE FOR 07.5-16 DODGE CUMMINS & 04.5-10 GM DURAMAX
XDP
$2.95XDP offers the XDP O-Ring For Race Fuel Valve XD308 to help reseal the valve in your 2007.5-2016 Dodge Ram 6.7L Diesel or 2004.5-2010 GM 6.6L Diesel LLY/LBZ/LMM. This O-ring is a commonly requested replacement O-ring for use on many brands of race valves...$2.95 -
XDP XD250 GEAR REDUCTION STARTER WRINKLE BLACK FOR 82-00 GM DIESEL 6.2L/6.5L
XDP
$369.95You can rely on the XDP HD Gear Reduction Starter (New) Wrinkle Black XD250 to get your 1982-2000 GM 6.2L/6.5L GM Diesel running in the most extreme environments. XDPs HD Gear Reduction Starters are fast, strong, and durable, giving you the ability to...$369.95 -
CPP GEAR REDUCTION STARTER FOR 01-16 GM 2500/3500HD WITH 6.6L DURAMAX ENGINE
CPP DIESEL
$299.95You 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...$299.95 -
CPP WIF WATER IN FILTER WRENCH FOR 2001-2011 GM 6.6L DURAMAX
CPP DIESEL
$18.95The 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...$18.95 -
CPP DIRECT-FIT RADIATOR FOR 11-16 GM 2500/3500HD WITH DURAMAX ENGINE
CPP DIESEL
$524.95Don'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...$524.95 -
CPP DIESEL ALUMINUM REPLACEMENT RADIATOR FOR 01-05 GM 2500/3500HD WITH DURAMAX ENGINE
CPP DIESEL
$355.95The 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...$355.95 -
CPP ALUMINUM RADIATOR FOR 06-10 GM 2500/3500HD WITH DURAMAX ENGINE
CPP DIESEL
$394.95The 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...$394.95 -
CPP TRANSMISSION OIL COOLER FOR 01-05 GM 2500/3500HD WITH DURAMAX ENGINE
CPP DIESEL
$205.95The 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...$205.95 -
CPP TRANSMISSION OIL COOLER FOR 06-10 GM 2500/3500HD WITH DURAMAX ENGINE
CPP DIESEL
$245.95Upgrade 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...$245.95 -
XDP XD325 DURAMAX CAT FILTER ADAPTER WRENCH FOR 01-16 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$18.95The XDP Duramax CAT Filter Adapter Wrench XD325 is the perfect addition to the XDP Duramax CAT Filter Adapter Kit XD171. Installation of the XD171 requires tightening the CAT Filter Adapter to the fuel filter head and in some cases, it can become...$18.95 -
XDP XD315 3/8 INCH STREET PERFORMANCE PUSHRODS FOR 01-16 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$349.95The XDP Pushrods 3/8 inch Street Performance XD315 eliminate the weak link in the valvetrain of your 2001-2016 GM 6.6L Duramax. The factory pushrods in your Duramax engine can hardly handle stock output levels. The increased cylinder pressure, high...$349.95 -
XDP XD316 7/16 INCH COMPETITION & RACE PERFORMANCE PUSHRODS FOR 01-16 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$378.95Restore lost power from the valvetrain in your 2001-2016 GM 6.6L Duramax with the XDP Pushrods 7/16 inch Competition & Race Performance XD316. The factory pushrods in your Duramax engine are not adequate to handle the stress from your modified engine...$378.95 -
CPP RADIATOR DRAIN PIPE FOR 06-19 GM 2500/3500HD WITH DURAMAX ENGINE
CPP DIESEL
$59.95Inline 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...$59.95 -
XDP XD331 CRANKSHAFT PIN KIT FOR 01-16 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$159.95Avoid catastrophic engine failure from a sheared dowel pin in your 2001-2016 GM 6.6L Duramax with the XDP Duramax Crankshaft Pin Kit XD331. From the factory, your Duramax uses a dowel pin on the crankshaft to hold the balancer in place. In both stock and...$159.95 -
CPP S400EXFL S400 5" TURBOCHARGER OUTLET FLANGE FOR T6 HOUSING
CPP DIESEL
$45.00Enhance 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...$45.00 -
WEHRLI WCF100194 2011-2016 LML DURAMAX 4" INTAKE KIT WITH AIR BOX
WEHRLI CUSTOM FABRICATION
$532.53The 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...$532.53 -
WEHRLI WCF100405 01-05 CHEVROLET 6.6L LB7/LLY DURAMAX THERMOSTAT HOUSING & UPPER COOLANT PIPE KIT
WEHRLI CUSTOM FABRICATION
$459.78The 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...$459.78 -
WEHRLI WCF100190 2001-2004 LB7 DURAMAX 4" INTAKE KIT WITH AIR BOX
WEHRLI CUSTOM FABRICATION
$509.25The 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...$509.25 -
WEHRLI WCF100303 2007.5-2010 LMM DURAMAX 4" INTAKE KIT WITH AIR BOX STAGE 2
WEHRLI CUSTOM FABRICATION
$775.03The 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...$775.03 -
WEHRLI WCF100193 2007.5-2010 LMM DURAMAX 4" INTAKE KIT WITH AIR BOX
WEHRLI CUSTOM FABRICATION
$509.25Elevate 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...$509.25 -
WEHRLI WCF100192 2006-2007 LBZ DURAMAX 4" INTAKE KIT WITH AIR BOX
WEHRLI CUSTOM FABRICATION
$509.25WCFab 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...$509.25 -
WEHRLI WCF100164 2007.5-2010 LMM DURAMAX HIGH FLOW 3" Y-BRIDGE KIT
WEHRLI CUSTOM FABRICATION
$965.15This 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...$965.15 -
WEHRLI WCF100702 | 2020-2024 L5P DURAMAX 4" INTAKE KIT WITH AIR BOX
WEHRLI CUSTOM FABRICATION
$610.13WCFab'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...$610.13 -
WEHRLI WCF100718 | 2017-2019 L5P DURAMAX STAGE 1 HIGH FLOW INTAKE BUNDLE KIT
WEHRLI CUSTOM FABRICATION
$596.55Stage 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...$596.55 -
WEHRLI WCF100684 2020-2024 L5P DURAMAX 4" INTAKE KIT WITH AIR BOX STAGE 2
WEHRLI CUSTOM FABRICATION
$809.95High 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...$809.95 -
WEHRLI WCF100433 17-19 CHEVROLET 6.6L L5P DURAMAX OEM PLACEMENT COOLANT TANK KIT
WEHRLI CUSTOM FABRICATION
$479.18The 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...$479.18 -
WEHRLI WCF100328 2011-2016 LML DURAMAX PASSENGER SIDE UPPER CROSSOVER INTERCOOLER PIPE KIT
WEHRLI CUSTOM FABRICATION
$406.43The 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...$406.43 -
WEHRLI WCF100301 2004.5-2005 LLY DURAMAX 4" INTAKE KIT WITH AIR BOX STAGE 2
WEHRLI CUSTOM FABRICATION
$775.03WCFab 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...$775.03 -
WEHRLI WCF100300 2001-2004 LB7 DURAMAX 4" INTAKE KIT WITH AIR BOX STAGE 2
WEHRLI CUSTOM FABRICATION
$600.43WCFab 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...$600.43 -
WEHRLI WCF100163 2006-2007 LBZ DURAMAX HIGH FLOW 3" Y-BRIDGE KIT
WEHRLI CUSTOM FABRICATION
$965.15This 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,...$965.15 -
WEHRLI WCF100379 OIL LINE KIT S400 TWIN/COMP TURBO LML DURAMAX
WEHRLI CUSTOM FABRICATION
$193.03Oil 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...$193.03 -
WEHRLI WCF100421 11-16 DURAMAX BATTERY TRAY RELOCATION KIT
WEHRLI CUSTOM FABRICATION
$86.33This 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...$86.33 -
WEHRLI WCF100367 2006-2010 LBZ/LMM DURAMAX 3.5" PASSENGER (COLD) SIDE INTERCOOLER PIPE KIT
WEHRLI CUSTOM FABRICATION
$396.73Enhance 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...$396.73 -
WEHRLI WCF100302 2006-2007 LBZ DURAMAX 4" INTAKE KIT WITH AIR BOX STAGE 2
WEHRLI CUSTOM FABRICATION
$775.03WCFab 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...$775.03 -
WEHRLI WCF100410 20-22 DURAMAX L5P HIGH FLOW INTAKE BUNDLE KIT
WEHRLI CUSTOM FABRICATION
$658.63Stage 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...$658.63 -
WEHRLI WCF100411 2001-2004 LB7 DURAMAX STAGE 1 HIGH FLOW INTAKE BUNDLE KIT
WEHRLI CUSTOM FABRICATION
$1,110.65Already 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 Intake...$1,110.65 -
WEHRLI WCF100355 2004.5-2005 LLY DURAMAX 3" PASSENGER (COLD) SIDE INTERCOOLER PIPE KIT
WEHRLI CUSTOM FABRICATION
$285.18The 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...$285.18 -
WEHRLI WCF100676 LML DURAMAX TWIN TURBO PEDESTAL
WEHRLI CUSTOM FABRICATION
$280.33Twin 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 Twin...$280.33 -
WEHRLI WCF100682 11-16 DURAMAX LML PASSENGER SIDE 3.5 IN. INTERCOOLER PIPE
WEHRLI CUSTOM FABRICATION
$324.95The 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...$324.95 -
WEHRLI WCF100276 17-21 CHEVROLET L5P DURAMAX RELOCATION MOUNT FASS LIFT PUMP
WEHRLI CUSTOM FABRICATION
$60.142017-2023 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...$60.14 -
WEHRLI WCF100291 15-19 GMC SIERRA 6.6L LML/L5P DURAMAX BUMPER GRILLE
WEHRLI CUSTOM FABRICATION
$150.35The 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...$150.35 -
WEHRLI WCF100290 2015-2019 CHEVROLET SILVERADO 2500/3500 HD BUMPER GRILLE
WEHRLI CUSTOM FABRICATION
$150.352015-2019 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...$150.35 -
WEHRLI WCF100441 2017-2019 L5P DURAMAX STAGE 2 HIGH FLOW INTAKE BUNDLE KIT
WEHRLI CUSTOM FABRICATION
$1,386.13The 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...$1,386.13 -
WEHRLI WCF100412 2006-2010 LBZ/LMM DURAMAX HIGH FLOW TURBO INTAKE HORN
WEHRLI CUSTOM FABRICATION
$377.33The 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...$377.33 -
WEHRLI WCF100402 6.6L LML DURAMAX HIGH PRESSURE LINE CP3 CONVERSION KIT
WEHRLI CUSTOM FABRICATION
$387.03Longer 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...$387.03 -
WEHRLI WCF100414 2020-2024 L5P DURAMAX STAGE 2 HIGH FLOW INTAKE BUNDLE KIT
WEHRLI CUSTOM FABRICATION
$1,469.55The 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...$1,469.55 -
WEHRLI WCF100404 11-14 GM 2500/3500 HD BUMPER SPACER KIT - 3/4IN
WEHRLI CUSTOM FABRICATION
$193.032011-2014 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...$193.03 -
WEHRLI WCF100285 11-14 CHEVROLET SILVERADO 2500/3500 HD / DURAMAX LML BUMPER GRILLE
WEHRLI CUSTOM FABRICATION
$150.352011-2014 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...$150.35 -
WEHRLI WCF100373 17-22 L5P DURAMAX BILLET EXHAUST MANIFOLD KIT W/ GASKETS AND ARP HARDWARE
WEHRLI CUSTOM FABRICATION
$1,526.78WCFab’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...$1,526.78 -
WEHRLI WCF100699 GM BILLET HEATER CORE FITTING KIT W/ HOSE
WEHRLI CUSTOM FABRICATION
$73.72High 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...$73.72 -
WEHRLI WCF100114 2020-2024 GM 2500/3500HD & 2019-2023 RAM 2500/3500 REAR DIFFERENTIAL COVER
WEHRLI CUSTOM FABRICATION
$362.78Fabricated 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...$362.78 -
WEHRLI WCF100352 | 2004.5-2010 LLY/LBZ/LMM DURAMAX DRIVER (HOT) SIDE 3" INTERCOOLER PIPE KIT
WEHRLI CUSTOM FABRICATION
$295.85LLY, 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...$295.85 -
WEHRLI WCF100113 01-19 CHEVROLET DURAMAX/03-19 DODGE CUMMINS 11.5IN AAM REAR DIFF. COVER
WEHRLI CUSTOM FABRICATION
$362.78These 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...$362.78 -
WEHRLI WCF100363 01-16 CHEVROLET DURAMAX EXHAUST MANIFOLD KIT W/ GASKETS & HARDWARE
WEHRLI CUSTOM FABRICATION
$1,357.03WCFab’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...$1,357.03 -
WEHRLI WCF100432 2011-2019 GM 2500/3500 HD LOWER SPLASH SHIELD KIT
WEHRLI CUSTOM FABRICATION
$280.33The 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...$280.33 -
WEHRLI WCF100463 2001-2010 GM 2500/3500 HD LOWER SPLASH SHIELD KIT
WEHRLI CUSTOM FABRICATION
$280.33The 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...$280.33 -
WEHRLI WCF100268 20-22 CHEVROLET-GMC 6.6L L5P DURAMAX OEM PLACEMENT COOLANT TANK KIT
WEHRLI CUSTOM FABRICATION
$509.252020-2025 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...$509.25 -
WEHRLI WCF100325 L5P DURAMAX T4 TURBO PEDESTAL
WEHRLI CUSTOM FABRICATION
$833.23Heavy 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...$833.23 -
WEHRLI WCF100205 01-19 CHEVROLET LB7/LLY/LBZ/LMM/LML/L5P DURAMAX BRAKE MASTER CYLINDER COVER
WEHRLI CUSTOM FABRICATION
$140.65Clean 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...$140.65 -
WEHRLI WCF100353 11-16 CHEVROLET 6.6L LML DURAMAX DRIVER SIDE 3IN INTERCOOLER PIPE
WEHRLI CUSTOM FABRICATION
$295.85The 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...$295.85 -
WEHRLI WCF100360 2017-2019 L5P DURAMAX 4" INTAKE KIT WITH AIR BOX STAGE 2
WEHRLI CUSTOM FABRICATION
$790.55WCFab 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...$790.55 -
WEHRLI WCF100466 06-10 GM LBZ/LMM DURAMAX PASSENGER SIDE INTERCOOLER OUTLET ELBOW KIT
WEHRLI CUSTOM FABRICATION
$222.13The 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...$222.13 -
WEHRLI WCF100720 2020-2024 L5P DURAMAX 4" INTAKE RESONATOR PIPE
WEHRLI CUSTOM FABRICATION
$218.254" 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 more...$218.25 -
WEHRLI WCF100362 2020+ L5P DURAMAX SHORT BED FUEL FILTER HOUSING KIT
WEHRLI CUSTOM FABRICATION
$237.65Increase 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...$237.65 -
WEHRLI WCF100361 17-19 DURAMAX L5P / 2020+ L5P DURAMAX LONG BED FUEL FILTER HOUSING KIT
WEHRLI CUSTOM FABRICATION
$237.65Increase 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...$237.65 -
WEHRLI WCF100189 04.5-2010 DURAMAX LLY/LBZ/LMM CRANKCASE VENT (PCV) FITTING KIT - BILLET BLACK ANODIZED
WEHRLI CUSTOM FABRICATION
$44.62Replace 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 two...$44.62 -
WEHRLI WCF100459 20+ GM 2500/3500 HD LOWER SPLASH SHIELD KIT
WEHRLI CUSTOM FABRICATION
$280.33The 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...$280.33 -
WEHRLI WCF100420 06-10 DURAMAX LBZ/LMM THERMOSTAT HOUSING KIT
WEHRLI CUSTOM FABRICATION
$459.78The 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...$459.78