WEHRLI CUSTOM FABRICATION
Wehrli Custom Fabrication Inc. specializes in high-performance diesel upgrades and custom metal fabrication. With a focus on quality, fitment, performance, and customer service, WCFab offers a wide range of MADE IN THE USA turbo kits and custom performance parts for Duramax, Powerstroke, and Cummins Diesel trucks. Whether you use your truck for work, play, or competition, Wehrli Custom Fabrication has the products you need to enhance your diesel truck's performance.
Some of the top products in this category include the WEHRLI WCF100023 01-04 CHEVROLET 6.6L LB7 DURAMAX FUEL PRESSURE RELIEF VALVE DELETE KIT, WEHRLI WCF100024 01-16 CHEVROLET 6.6L DURAMAX VALLEY CP3 BLOCK OFF PLATE, and WEHRLI WCF100096 11-16 CHEVROLET 6.6L LML DURAMAX TURBO RESONATOR BILLET BLOCK OFF PLATE. Additionally, products like the WEHRLI WCF100229 01-05 & 11-16 CHEVROLET 6.6L DURAMAX HIGH FLOW RAIL FITTING and the WEHRLI WCF100271 01-16 CHEVROLET 6.6L DURAMAX TWIN CP3 PULLEY DEEP OFFSET provide options for those looking to further customize their diesel trucks.
When you choose Wehrli Custom Fabrication, you can trust that you are getting top-of-the-line products designed to enhance the performance of your diesel truck. Upgrade your Duramax, Powerstroke, or Cummins Diesel truck with the best parts in the industry from Wehrli Custom Fabrication.
Some of the top products in this category include the WEHRLI WCF100023 01-04 CHEVROLET 6.6L LB7 DURAMAX FUEL PRESSURE RELIEF VALVE DELETE KIT, WEHRLI WCF100024 01-16 CHEVROLET 6.6L DURAMAX VALLEY CP3 BLOCK OFF PLATE, and WEHRLI WCF100096 11-16 CHEVROLET 6.6L LML DURAMAX TURBO RESONATOR BILLET BLOCK OFF PLATE. Additionally, products like the WEHRLI WCF100229 01-05 & 11-16 CHEVROLET 6.6L DURAMAX HIGH FLOW RAIL FITTING and the WEHRLI WCF100271 01-16 CHEVROLET 6.6L DURAMAX TWIN CP3 PULLEY DEEP OFFSET provide options for those looking to further customize their diesel trucks.
When you choose Wehrli Custom Fabrication, you can trust that you are getting top-of-the-line products designed to enhance the performance of your diesel truck. Upgrade your Duramax, Powerstroke, or Cummins Diesel truck with the best parts in the industry from Wehrli Custom Fabrication.
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WEHRLI WCF100362 2020+ L5P DURAMAX SHORT BED FUEL FILTER HOUSING KIT
WEHRLI CUSTOM FABRICATION
$229.89The WEHRLI WCF100362 2020+ L5P Duramax Short Bed Fuel Filter Housing Kit is a top-of-the-line upgrade that revolutionizes the way your 2020-2024 L5P Duramax engine handles fuel filtration. Say goodbye to frequent filter changes with the transition from a...$229.89 -
WEHRLI WCF100361 17-19 DURAMAX L5P / 2020+ L5P DURAMAX LONG BED FUEL FILTER HOUSING KIT
WEHRLI CUSTOM FABRICATION
$229.89Enhance the performance and longevity of your 2017-2019 or 2020-2024 Long Bed L5P Duramax with the WEHRLI WCF100361 Fuel Filter Housing Kit. This innovative kit allows you to switch from a stock cartridge style filter to our advanced spin-on canister...$229.89 -
WEHRLI WCF100189 04.5-2010 DURAMAX LLY/LBZ/LMM CRANKCASE VENT (PCV) FITTING KIT - BILLET BLACK ANODIZED
WEHRLI CUSTOM FABRICATION
$44.62Enhance the performance and durability of your 2004.5-2010 LLY/LBZ/LMM Duramax engine with the WEHRLI WCF100189 Crankcase Vent (PCV) Fitting Kit. Engineered to replace the fragile plastic OEM fittings, this kit offers superior quality and longevity...$44.62 -
WEHRLI WCF100459 20+ GM 2500/3500 HD LOWER SPLASH SHIELD KIT
WEHRLI CUSTOM FABRICATION
$263.84The WEHRLI WCF100459 20+ GM 2500/3500 HD Lower Splash Shield Kit is designed as the ultimate upgrade for your 2020-2024 Chevrolet Silverado 2500/3500 HD and GMC Sierra/Denali 2500/3500 HD trucks. Say goodbye to the easily damaged factory plastic lower...$263.84 -
WEHRLI WCF100420 06-10 DURAMAX LBZ/LMM THERMOSTAT HOUSING KIT
WEHRLI CUSTOM FABRICATION
$396.73Enhance the performance of your 2006-2010 Duramax LBZ/LMM engine with the WEHRLI WCF100420 Thermostat Housing Kit. This kit is expertly designed to provide optimal cooling functionality for your vehicle, ensuring your engine operates at its best.Crafted...$396.73 -
WEHRLI WCF100424 2006-2010 LBZ/LMM DURAMAX TOP OUTLET BILLET THERMOSTAT HOUSING AND UPPER COOLANT PIPE KIT FOR DUAL CP3
WEHRLI CUSTOM FABRICATION
$396.73The WEHRLI WCF100424 2006-2010 LBZ/LMM Duramax Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for Dual CP3 is the ultimate solution for enhancing your vehicle's performance. Crafted to perfection, this kit not only provides a more...$396.73 -
WEHRLI WCF100867 2013-2015 6.7L CUMMINS UPPER COOLANT PIPE FOR DUAL RADIATOR
WEHRLI CUSTOM FABRICATION
$202.73The WEHRLI WCF100867 2013-2015 6.7L CUMMINS UPPER COOLANT PIPE FOR DUAL RADIATOR is a top-of-the-line aluminum upper coolant pipe designed specifically for 2013-2015 6.7L Cummins equipped Ram 2500 / 3500 HD trucks with dual (2) radiators. Say goodbye to...$202.73 -
WEHRLI WCF100443 2001+ GM DURAMAX LB7/LLY/LBZ/LMM/LML/L5P BILLET OIL FILL CAP - BLACK ANODIZED
WEHRLI CUSTOM FABRICATION
$49.47Enhance the look and functionality of your 2001-2024 Duramax engine bay with the WEHRLI WCF100443 Billet Oil Fill Cap in sleek Black Anodized finish. Crafted from high-quality CNC machined Billet Aluminum, this complete oil cap offers a direct OEM...$49.47 -
WEHRLI WCF100442 2001+ GM DURAMAX LB7/LLY/LBZ/LMM/LML/L5P BILLET OIL FILL CAP - CLEAR ANODIZED
WEHRLI CUSTOM FABRICATION
$49.47Enhance the performance and aesthetics of your 2001-2024 Duramax engine with the WEHRLI WCF100442 2001+ GM DURAMAX LB7/LLY/LBZ/LMM/LML/L5P BILLET OIL FILL CAP - CLEAR ANODIZED from WCFab. Crafted from high-quality Billet Aluminum with a sleek Clear...$49.47 -
WEHRLI WCF100831 2020+ CHEVROLET DURAMAX TRACTION BAR INSTALL KIT
WEHRLI CUSTOM FABRICATION
$252.20The WEHRLI WCF100831 2020+ CHEVROLET DURAMAX TRACTION BAR INSTALL KIT is a must-have addition to your vehicle for enhanced performance and stability. Crafted in-house at WCFab, these traction bar brackets are designed to provide superior support and...$252.20 -
WEHRLI WCF100796 06-10 LBZ/LMM DURAMAX MAP SENSOR SEAL & BRACKET
WEHRLI CUSTOM FABRICATION
$15.52The WEHRLI WCF100796 06-10 LBZ/LMM DURAMAX MAP SENSOR SEAL & BRACKET is a must-have product for owners of late-year LMM DURAMAX engines looking to install WCFab y-bridge or turbo kits. This specialized kit includes a Map Sensor Seal and Bracket designed...$15.52 -
WEHRLI WCF100390 2020+ GMC 2500/3500HD FENDER FLARE MARKER LIGHT DELETE KIT
WEHRLI CUSTOM FABRICATION
$241.53Elevate the appearance of your 2020-2024 GMC Sierra or Denali 2500/3500 HD truck with the WEHRLI WCF100390 Fender Flare Marker Light Delete Kit. Say goodbye to the prominent amber fender flare marker lights and say hello to a streamlined and polished...$241.53 -
WEHRLI WCF100391 2020+ GMC 2500/3500HD FENDER FLARE MARKER LIGHT DELETE KIT W/O LOGO - RAW FINISH
WEHRLI CUSTOM FABRICATION
$241.53Enhance the sleek appearance of your 2020+ GMC 2500/3500HD with the WEHRLI WCF100391 Fender Flare Marker Light Delete Kit. This innovative solution allows you to remove the factory marker lights on your vehicle's fender flares, providing a clean and...$241.53 -
WEHRLI WCF100392 2020+ GMC 2500/3500HD FENDER FLARE MARKER LIGHT DELETE KIT W/LOGO - FINE TEXTURE BLACK
WEHRLI CUSTOM FABRICATION
$290.03Enhance the sleek appearance of your 2020+ GMC 2500/3500HD with the WEHRLI WCF100392 Fender Flare Marker Light Delete Kit. Specifically designed to seamlessly integrate with your vehicle, this kit effectively eliminates the need for unsightly marker...$290.03 -
WEHRLI WCF100393 2020+ GMC 2500/3500HD FENDER FLARE MARKER LIGHT DELETE KIT W/O LOGO - FINE TEXTURE BLACK
WEHRLI CUSTOM FABRICATION
$290.03Elevate the appearance of your 2020+ GMC 2500/3500HD with the WEHRLI WCF100393 Fender Flare Marker Light Delete Kit in a sleek Fine Texture Black finish. Designed to seamlessly blend in with the body of your truck, this kit discreetly removes the factory...$290.03 -
WEHRLI WCF100472 2001+ CHEVROLET DURAMAX/13-18 6.7L DODGE CUMMINS BILLET ALUMINUM COOLANT TANK CAP - CLEAR
WEHRLI CUSTOM FABRICATION
$35.84The WEHRLI WCF100472 2001+ CHEVROLET DURAMAX/13-18 6.7L DODGE CUMMINS BILLET ALUMINUM COOLANT TANK CAP in clear is a top-of-the-line replacement coolant tank cap designed to meet the specific needs of vehicle owners with 2001+ Duramax or 2013-2018 6.7L...$35.84 -
WEHRLI WCF100428-FTB 15-19 CHEVROLET 2500/3500 FRONT BUMPER VALANCE FILLER PANEL KIT W/O TOW HOOKS - TEXTURE BLACK
WEHRLI CUSTOM FABRICATION
$257.05Enhance the appearance and functionality of your 15-19 Chevrolet 2500/3500 with the WEHRLI WCF100428-FTB Front Bumper Valance Filler Panel Kit. This kit is designed to seamlessly fit your vehicle, adding a rugged and aggressive look while providing...$257.05 -
WEHRLI WCF100426 2015-2019 CHEVROLET SILVERADO 2500/3500HD LOWER VALANCE FILLER PANEL WITHOUT TOW HOOK CUTOUTS
WEHRLI CUSTOM FABRICATION
$208.55The WEHRLI WCF100426 2015-2019 Chevrolet Silverado 2500/3500HD Lower Valance Filler Panel without Tow Hook Cutouts is the perfect solution for those looking to enhance the appearance of their lifted or leveled trucks. Designed to fill the unsightly gap...$208.55 -
WEHRLI WCF100444 2020+ GM 2500/3500 HD BUMPER SPACER KIT - 3/4IN
WEHRLI CUSTOM FABRICATION
$183.33Enhance the performance and aesthetics of your 2020-2024 Silverado and Sierra 2500HD / 3500HD with the WEHRLI WCF100444 Bumper Spacer Kit. Crafted from precision CNC machined billet aluminum, this kit provides 3/4 inch of spacing to move your front...$183.33 -
WEHRLI WCF100462 15-19 GM 2500/3500 HD BUMPER SPACER KIT - 3/4IN
WEHRLI CUSTOM FABRICATION
$231.83The WEHRLI WCF100462 15-19 GM 2500/3500 HD Bumper Spacer Kit - 3/4IN is the perfect solution for 2015-2019 Silverado and Sierra 2500HD / 3500HD truck owners looking to enhance their wheel and tire fitment options. Crafted from CNC machined billet...$231.83 -
WEHRLI WCF100453 15-19 GM 2500/3500 HD BUMPER SPACER KIT - 3/8IN
WEHRLI CUSTOM FABRICATION
$173.63The WEHRLI WCF100453 15-19 GM 2500/3500 HD BUMPER SPACER KIT - 3/8IN offers a practical solution for enhancing the fitment options of your 2015-2019 Silverado and Sierra 2500HD / 3500HD trucks. Crafted from CNC machined billet aluminum, these spacer kits...$173.63 -
WEHRLI WCF100446 2020+ GM 2500/3500 HD BUMPER SPACER KIT - 3/8IN
WEHRLI CUSTOM FABRICATION
$131.92The WEHRLI WCF100446 2020+ GM 2500/3500 HD Bumper Spacer Kit - 3/8IN is specifically designed for 2020-2024 Silverado and Sierra 2500HD/3500HD trucks. Crafted from CNC machined billet aluminum, this spacer kit from WCFab is engineered to move the front...$131.92 -
WEHRLI WCF100427 2015-2019 CHEVROLET SILVERADO 2500/3500HD LOWER VALANCE FILLER PANEL WITH TOW HOOK CUTOUTS
WEHRLI CUSTOM FABRICATION
$257.05The WEHRLI WCF100427 2015-2019 Chevrolet Silverado 2500/3500HD Lower Valance Filler Panel with Tow Hook Cutouts is your solution for enhancing the look of your lifted or leveled truck. Designed to fill the void created by removing the OEM plastic lower...$257.05 -
WEHRLI WCF100425 15-19 CHEVROLET 2500/3500 FRONT BUMPER VALANCE FILLER PANEL KIT W/TOW HOOKS
WEHRLI CUSTOM FABRICATION
$208.55The WEHRLI WCF100425 Front Bumper Valance Filler Panel Kit is specifically designed to address the common issue of the unattractive gap left in the lower bumper of 2015-2019 Chevrolet Silverado 2500/3500 HD trucks after removal of the OEM plastic lower...$208.55 -
WEHRLI WCF100473 2017+ CHEVROLET 6.6L L5P DURAMAX INTAKE RESONATOR DELETE PLUG - BLACK ANODIZED
WEHRLI CUSTOM FABRICATION
$27.16The WEHRLI WCF100473 2017+ CHEVROLET 6.6L L5P DURAMAX Intake Resonator Delete Plug in black anodized finish is the ideal solution for those looking to enhance both the aesthetics and performance of their engine. Crafted from top-grade 6061 aluminum...$27.16 -
WEHRLI WCF100469 17-19 L5P DURAMAX BILLET ANODIZED TRANSMISSION COOLER THERMOSTAT BYPASS PLUG
WEHRLI CUSTOM FABRICATION
$54.32The WEHRLI WCF100469 Transmission Cooler Thermostat Bypass Plug is designed to address the issue of high fluid temperatures in your truck's transmission. With a direct replacement for the unreliable OEM thermostat, this billet anodized plug can...$54.32 -
WEHRLI WCF100541 2020-2024 L5P DURAMAX UPPER COOLANT PIPE KIT
WEHRLI CUSTOM FABRICATION
$154.23The WEHRLI WCF100541 2020-2024 L5P Duramax Upper Coolant Pipe Kit is the ultimate solution for upgrading the appearance and performance of your 2020-2024 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500/3500 truck. Say goodbye to the...$154.23 -
WEHRLI WCF100381 2020-2024 L5P DURAMAX 3.5" PASSENGER (COLD) SIDE INTERCOOLER PIPE KIT
WEHRLI CUSTOM FABRICATION
$344.35The WEHRLI WCF100381 2020-2024 L5P DURAMAX 3.5" PASSENGER (COLD) SIDE INTERCOOLER PIPE KIT by WCFab is the ultimate choice for upgrading your 2020-2024 L5P 6.6L Duramax-equipped Chevrolet Silverado or GMC Sierra 2500/3500 HD truck. Say goodbye to the...$344.35 -
WEHRLI WCF100833 2020-2024 L5P DURAMAX 3.5" TURBO INTAKE HORN
WEHRLI CUSTOM FABRICATION
$226.98Enhance the performance of your 2020-2024 L5P Duramax with the WEHRLI WCF100833 3.5" Turbo Intake Horn. Specifically designed for the factory style turbo, this intake horn effectively increases airflow by eliminating restrictions in the factory horn just...$226.98 -
WEHRLI WCF100517 10-18 DODGE 6.7L CUMMINS (NON 13-15 W/DUAL RADS/TWIN CP3) UPPER COOLANT PIPE
WEHRLI CUSTOM FABRICATION
$144.53The WEHRLI WCF100517 Upper Coolant Pipe is a high-quality aluminum replacement designed for 2010-2018 6.7L Cummins-equipped Ram 2500/3500 HD trucks. Say goodbye to the factory rubber upper coolant hose and opt for this durable upgrade that offers...$144.53 -
WEHRLI WCF100365 2020-2024 L5P DURAMAX 3" DRIVER (HOT) SIDE INTERCOOLER PIPE KIT
WEHRLI CUSTOM FABRICATION
$305.55The WEHRLI WCF100365 2020-2024 L5P DURAMAX 3" Driver (Hot) Side Intercooler Pipe Kit is a game-changer for your 2020-2024 L5P Duramax vehicle. Say goodbye to the OEM two piece design and welcome the new high-flow one-piece 3" pipe system. This kit not...$305.55 -
WEHRLI WCF100216 99-22 GM 1500/2500/3500 BILLET ALUMINUM BRAKE MASTER CYLINDER CAP - BLACK ANODIZED
WEHRLI CUSTOM FABRICATION
$40.74Enhance the aesthetics of your 1999-2024 GM 1500/2500/3500 truck's engine bay with the sleek and functional WEHRLI WCF100216 Brake Master Cylinder Cap in Black Anodized finish. Crafted from high-quality billet aluminum through precision CNC machining in...$40.74 -
WEHRLI WCF100215 99-22 GM 1500/2500/3500 BILLET ALUMINUM BRAKE MASTER CYLINDER CAP - CLEAR ANODIZED
WEHRLI CUSTOM FABRICATION
$40.74Enhance the aesthetics and performance of your 1999-2024 GM 1500/2500/3500 truck with the WEHRLI WCF100215 Billet Aluminum Brake Master Cylinder Cap. Crafted with precision and pride in the USA by WCFab, this brake reservoir cap is designed as a direct...$40.74 -
WEHRLI WCF100129 17-22 CHEVROLET/GMC 6.6L L5P DURAMAX 3.5IN DOWN PIPE
WEHRLI CUSTOM FABRICATION
$309.43Enhance the performance and efficiency of your 2017-2024 Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck equipped with the L5P 6.6L Duramax engine with the WEHRLI WCF100129 3.5" Down Pipe. Designed to replace the restrictive factory downpipe/front...$309.43 -
WEHRLI WCF100240 01-16 CHEVROLET 6.6L LB7/LLY/LBZ/LMM/LML DURAMAX UP PIPE BOLT KIT
WEHRLI CUSTOM FABRICATION
$33.95The WEHRLI WCF100240 01-16 CHEVROLET 6.6L LB7/LLY/LBZ/LMM/LML DURAMAX UP PIPE BOLT KIT by WCFab is a premium solution for enhancing the durability and reliability of your 6.6L Duramax engine. This meticulously engineered kit consists of 6 high-strength...$33.95 -
WEHRLI WCF100199 17-22 CHEVROLET/GMC 6.6L L5P DURAMAX UP PIPE BOLT KIT
WEHRLI CUSTOM FABRICATION
$55.29Enhance the durability and reliability of your Chevrolet/GMC 6.6L L5P Duramax engine with the WEHRLI WCF100199 Up Pipe Bolt Kit. Crafted by WCFab, this kit is specifically designed to replace the factory 8mm OEM fasteners that are known for their small...$55.29 -
WEHRLI WCF100528 2003-2007 5.9L CUMMINS 3.5" HIGH FLOW INTAKE HORN & INTERCOOLER PIPE KIT
WEHRLI CUSTOM FABRICATION
$532.53The WEHRLI WCF100528 2003-2007 5.9L Cummins 3.5" High Flow Intake Horn & Intercooler Pipe Kit is the ultimate solution for upgrading your vehicle's performance. This kit includes a heavy-duty 3.5" Aluminum intercooler pipe and a full mandrel bent 3.5”...$532.53 -
WEHRLI WCF100359 2003-2007 5.9L CUMMINS 3" DRIVER (COLD) SIDE REPLACEMENT INTERCOOLER PIPE
WEHRLI CUSTOM FABRICATION
$198.85The WEHRLI WCF100359 2003-2007 5.9L CUMMINS 3" DRIVER (COLD) SIDE REPLACEMENT INTERCOOLER PIPE is designed to enhance your vehicle's performance and reliability. Crafted with precision and durability in mind, this driver side 3" intercooler pipe is...$198.85 -
WEHRLI WCF100346 2003-2007 5.9L CUMMINS 4" INTAKE KIT
WEHRLI CUSTOM FABRICATION
$387.03The WEHRLI WCF100346 2003-2007 5.9L CUMMINS 4" INTAKE KIT is a premium upgrade for your 2003-2007 Dodge Ram 2500 / 3500 5.9L Cummins equipped with a Factory or OEM style Turbocharger. Crafted from high-flow fabricated aluminum, this intake kit replaces...$387.03 -
WEHRLI WCF100530 17-19 CHEVROLET 6.6L L5P DURAMAX PASSENGER SIDE 3.5IN INTERCOOLER PIPE
WEHRLI CUSTOM FABRICATION
$286.15The WEHRLI WCF100530 17-19 CHEVROLET 6.6L L5P DURAMAX PASSENGER SIDE 3.5IN INTERCOOLER PIPE is a powerhouse upgrade for your 2017-2019 L5P 6.6L Duramax-equipped Chevrolet Silverado or GMC Sierra 2500/3500 HD truck. Say goodbye to factory plastic and...$286.15 -
WEHRLI WCF100863 2007.5-2009 6.7 CUMMINS 4" INTAKE KIT
WEHRLI CUSTOM FABRICATION
$425.83The WEHRLI WCF100863 2007.5-2009 6.7 Cummins 4" Intake Kit is the perfect addition to your 6.7 Cummins truck equipped with a factory turbocharger. Specifically designed for models spanning between 2007.5 to 2009, this intake kit seamlessly works...$425.83 -
WEHRLI WCF100860 2001-2005 LB7 / LLY DURAMAX UPPER COOLANT PIPE
WEHRLI CUSTOM FABRICATION
$130.95The WEHRLI WCF100860 2001-2005 LB7 / LLY DURAMAX UPPER COOLANT PIPE is an aluminum upper coolant pipe specially designed to replace the OEM rubber upper coolant hose for LB7/LLY Duramax engines. This high-quality pipe comes with the option of a...$130.95 -
WEHRLI WCF100842 FORD/DODGE/UNIVERSAL TRACTION BAR INSTALL KIT
WEHRLI CUSTOM FABRICATION
$112.52Enhance the performance and stability of your vehicle with the WEHRLI WCF100842 Ford/Dodge/Universal Traction Bar Install Kit, expertly crafted by WCFab. Designed for durability and precision, these weld-on brackets are engineered to securely attach to...$112.52 -
WEHRLI WCF100841 11-19 CHEVROLET 6.6L DURAMAX TRACTION BAR INSTALL KIT
WEHRLI CUSTOM FABRICATION
$252.20The WEHRLI WCF100841 11-19 CHEVROLET 6.6L DURAMAX TRACTION BAR INSTALL KIT is a high-quality product designed and manufactured in-house at WCFab to ensure top-notch performance and durability. This kit features traction bar brackets that securely bolt...$252.20 -
WEHRLI WCF100840 01-10 CHEVROLET 6.6L DURAMAX TRACTION BAR INSTALL KIT
WEHRLI CUSTOM FABRICATION
$252.20The WEHRLI WCF100840 01-10 CHEVROLET 6.6L DURAMAX TRACTION BAR INSTALL KIT is a premium product designed and crafted by WCFab to enhance the performance and stability of your Chevrolet vehicle. Built in-house with precision and quality in mind, this...$252.20 -
WEHRLI WCF100800 UNIVERSAL T4 SPACER PLATE KIT 1IN W/STUDS & GASKETS
WEHRLI CUSTOM FABRICATION
$120.28The WEHRLI WCF100800 UNIVERSAL T4 SPACER PLATE KIT 1IN W/STUDS & GASKETS is a top-quality solution for enhancing your vehicle's performance. Crafted from durable steel and boasting a thickness of 1 inch, this divided T4 Spacer Plate Kit is designed to...$120.28 -
WEHRLI WCF100742 2017-2019 L5P DURAMAX UPPER COOLANT PIPE KIT
WEHRLI CUSTOM FABRICATION
$144.53The WEHRLI WCF100742 2017-2019 L5P Duramax Upper Coolant Pipe Kit is a game-changer for your vehicle's cooling system. Crafted from durable aluminum material, this upper coolant pipe is designed to replace the OEM rubber hose in your 2017-2019 L5P...$144.53 -
WEHRLI WCF100728 UNIVERSAL OUTERWEAR AIR FILTER COVER (USE W/WCF AIR FILTERS)
WEHRLI CUSTOM FABRICATION
$41.71The Wehrli WCF100728 Universal Outerwear Air Filter Cover is a must-have accessory for all WCFab air filters utilized in turbo kits and intake kits. Designed to safeguard your air filter from damaging debris, this pre-filter ensures that your air filter...$41.71 -
WEHRLI WCF100721 17-19 CHEVROLET 6.6L L5P DURAMAX 3.5IN INTAKE HORN W/PCV PORT
WEHRLI CUSTOM FABRICATION
$226.98The WEHRLI WCF100721 17-19 CHEVROLET 6.6L L5P DURAMAX 3.5IN INTAKE HORN W/PCV PORT is a top-of-the-line upgrade designed for the 2017-2019 L5P Duramax. With a turbo intake horn boasting a substantial 3.5" diameter, this product offers a significant...$226.98 -
WEHRLI WCF100719 UNIVERSAL 5IN INLET DRY AIR FILTER (USE W/WCF KITS)
WEHRLI CUSTOM FABRICATION
$65.96The WEHRLI WCF100719 UNIVERSAL 5IN INLET DRY AIR FILTER is the perfect replacement filter designed for use in WCFab Twin Turbo and S400 Single Install Kits. This dry air filter ensures optimal performance and protection for your vehicle's engine...$65.96 -
WEHRLI WCF100717 UNIVERSAL 4IN INLET DRY AIR FILTER (USE W/WCF KITS)
WEHRLI CUSTOM FABRICATION
$65.96The WEHRLI WCF100717 Universal 4in Inlet Dry Air Filter is a high-quality replacement filter designed for use in WCFab 4" Intake kits and S300 Single Install Kits. Engineered with exceptional filtration capabilities, this dry air filter provides optimal...$65.96 -
WEHRLI WCF100709 2017-2019 L5P DURAMAX 4" INTAKE RESONATOR PIPE
WEHRLI CUSTOM FABRICATION
$207.58The WEHRLI WCF100709 2017-2019 L5P DURAMAX 4" INTAKE RESONATOR PIPE is designed to cater to the needs of 2017-2019 L5P 6.6L Duramax-equipped Chevrolet Silverado or GMC Sierra 2500/3500 HD trucks that come with an OEM or drop-in factory style turbocharger...$207.58 -
WEHRLI WCF100708 2017-2019 L5P DURAMAX 3" DRIVER (HOT) SIDE INTERCOOLER PIPE KIT
WEHRLI CUSTOM FABRICATION
$305.55The WEHRLI WCF100708 2017-2019 L5P DURAMAX 3" DRIVER (HOT) SIDE INTERCOOLER PIPE KIT by WCFab is specifically designed for your 2017-2019 L5P 6.6L Duramax Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck. This high-flow driver (hot) side...$305.55 -
WEHRLI WCF100705 15.5-16 CHEVROLET 6.6L LML DURAMAX 3IN STAINLESS DOWN PIPE (3 BOLT FLANGE)
WEHRLI CUSTOM FABRICATION
$338.53Enhance the performance of your 2015.5-2016 Chevrolet 6.6L LML Duramax engine with the WEHRLI WCF100705 3" Stainless Down Pipe. This premium-quality down pipe is designed to replace the restrictive factory down pipe, allowing for improved exhaust flow...$338.53 -
WEHRLI WCF100704 11-15 CHEVROLET 6.6L LML DURAMAX 3IN STAINLESS DOWN PIPE (V-BAND STYLE)
WEHRLI CUSTOM FABRICATION
$251.23The WEHRLI WCF100704 11-15 Chevrolet 6.6L LML Duramax 3" Stainless Down Pipe offers a revolutionary solution to replace the restrictive crushed factory down pipe on your 2011-2016 LML Duramax engine. Crafted from premium quality stainless steel, this...$251.23 -
WEHRLI WCF100703 04.5-10 CHEVROLET 6.6L LLY/LBZ/LMM DURAMAX 3IN STAINLESS DOWN PIPE
WEHRLI CUSTOM FABRICATION
$227.95Enhance the performance of your 6.6L Duramax Diesel V8 engine with the WEHRLI WCF100703 04.5-10 CHEVROLET 6.6L LLY/LBZ/LMM DURAMAX 3IN STAINLESS DOWN PIPE. This premium down pipe is designed to replace the restrictive factory turbo down pipe/exhaust...$227.95 -
WEHRLI WCF100696 2011-2016 LML DURAMAX UPPER COOLANT PIPE
WEHRLI CUSTOM FABRICATION
$144.53The WEHRLI WCF100696 2011-2016 LML DURAMAX UPPER COOLANT PIPE is a premium aluminum upper coolant pipe designed to replace the OEM rubber upper coolant hose in the 2011-2016 LML Duramax models. This high-quality product is engineered for precision and...$144.53 -
WEHRLI WCF100654 01-04 CHEVROLET 6.6L DURAMAX LB7 2IN STAINLESS PASS. SIDE UP PIPE W/GASKETS (SINGLE TURBO)
WEHRLI CUSTOM FABRICATION
$309.43Upgrade your Chevrolet 6.6L Duramax LB7's performance with the WEHRLI WCF100654 01-04 Stainless Passenger Side Up Pipe. Eliminate the risks associated with the OEM up pipe by replacing it with this heavy-duty 11 gauge 2" Stainless up pipe. Engineered...$309.43 -
WEHRLI WCF100652 01-16 CHEVROLET 6.6L DURAMAX 2IN STAINLESS DRIVER SIDE UP PIPE W/GASKETS (SINGLE/TWIN TURBO)
WEHRLI CUSTOM FABRICATION
$309.43Enhance the performance and durability of your Chevrolet 6.6L Duramax engine with the WEHRLI WCF100652 01-16 Stainless Driver Side Up Pipe. Designed to eliminate the weak spots of the OEM up pipe, this heavy-duty upgrade is crafted from 11 gauge 2"...$309.43 -
WEHRLI WCF100648 01-04 CHEVROLET 6.6L DURAMAX LB7 2IN STAINLESS PASSENGER SIDE UP PIPE W/GASKETS (TWIN TURBO)
WEHRLI CUSTOM FABRICATION
$309.43Enhance the performance of your Chevrolet 6.6L Duramax LB7 engine with the WEHRLI WCF100648 Stainless Passenger Side Up Pipe. Designed specifically for 2-IN Twin Turbo setups, this up pipe offers a robust alternative to the lightweight and prone-to-leak...$309.43 -
WEHRLI WCF100647 2011-2016 LML DURAMAX OEM PLACEMENT COOLANT TANK KIT
WEHRLI CUSTOM FABRICATION
$435.53The WEHRLI WCF100647 2011-2016 LML DURAMAX OEM PLACEMENT COOLANT TANK KIT is the perfect solution to enhance the performance and aesthetics of your 6.6L Duramax Diesel-equipped Chevrolet Silverado or GMC Sierra 2500/3500 HD truck from 2011 to 2016. Say...$435.53 -
WEHRLI WCF100645 2001-2007 LB7 / LLY / LBZ DURAMAX OEM PLACEMENT COOLANT TANK KIT
WEHRLI CUSTOM FABRICATION
$435.53The WEHRLI WCF100645 2001-2007 LB7 / LLY / LBZ DURAMAX OEM PLACEMENT COOLANT TANK KIT is the perfect solution to elevate the appearance and functionality of your engine bay. Crafted specifically for 2001-2007 Duramax engines, this coolant tank kit...$435.53 -
WEHRLI WCF100642 2001-2007 LB7/LLY/LBZ DURAMAX TWIN TURBO COOLANT TANK KIT
WEHRLI CUSTOM FABRICATION
$334.65The WEHRLI WCF100642 2001-2007 LB7/LLY/LBZ DURAMAX TWIN TURBO COOLANT TANK KIT is a must-have for LB7, LLY, and LBZ Duramax owners looking to optimize their twin turbo applications. This premium kit features a meticulously crafted fabricated aluminum...$334.65 -
WEHRLI WCF100628 13-18 DODGE 6.7L CUMMINS OEM PLACEMENT COOLANT TANK KIT
WEHRLI CUSTOM FABRICATION
$464.63The WEHRLI WCF100628 13-18 DODGE 6.7L CUMMINS OEM PLACEMENT COOLANT TANK KIT is a top-of-the-line upgrade for your 2013-2018 6.7L Cummins engine. Say goodbye to the unsightly plastic coolant reservoir and say hello to our custom powder-coated fabricated...$464.63 -
WEHRLI WCF100624 17-22 CHEVROLET 6.6L L5P DURAMAX 2IN STAINLESS UP PIPE KIT W/GASKETS
WEHRLI CUSTOM FABRICATION
$635.35Enhance the performance and durability of your 2017-2024 6.6L L5P Duramax Chevrolet or GMC truck with the WEHRLI WCF100624 17-22 Chevrolet 6.6L L5P Duramax 2IN Stainless Up Pipe Kit with Gaskets. Say goodbye to lightweight, leak-prone OEM up pipes and...$635.35 -
WEHRLI WCF100590 01-04 CHEVROLET 6.6L DURAMAX LB7 2IN STAINLESS UP PIPE KIT W/GASKETS - SINGLE TURBO
WEHRLI CUSTOM FABRICATION
$577.15Upgrade your Chevrolet 6.6L Duramax LB7 with the WEHRLI WCF100590 Up Pipe Kit for a heavy-duty turbo performance boost. Designed to replace the flimsy OEM up pipes, this kit features robust 2-inch stainless steel pipes that are built to last. The...$577.15 -
WEHRLI WCF100589 01-04 CHEVROLET 6.6L DURAMAX LB7 2IN STAINLESS UP PIPE KIT W/GASKETS - TWIN TURBO
WEHRLI CUSTOM FABRICATION
$577.15The WEHRLI WCF100589 01-04 CHEVROLET 6.6L DURAMAX LB7 2IN STAINLESS UP PIPE KIT W/GASKETS is a premium upgrade for your Chevrolet Duramax LB7 engine, designed to optimize performance and durability for twin turbo applications. Say goodbye to lightweight,...$577.15 -
WEHRLI WCF100429 01-16 CHEVROLET 6.6L DURAMAX TWIN CP3 PULLEY DEEP OFFSET - RAW FINISH
WEHRLI CUSTOM FABRICATION
$295.85The WEHRLI WCF100429 01-16 Chevrolet 6.6L Duramax Twin CP3 Pulley Deep Offset in Raw Finish is a top-of-the-line accessory designed to enhance the performance of your Chevrolet vehicle. Crafted from high-quality billet aluminum, this CP3 pulley boasts...$295.85 -
WEHRLI WCF100358 UNIVERSAL T4 SPACER PLATE KIT 1.5IN W/STUDS & GASKETS
WEHRLI CUSTOM FABRICATION
$139.68Enhance the performance of your vehicle with the WEHRLI WCF100358 Universal T4 Spacer Plate Kit. This robust kit features a 1 1/2" thick steel divided T4 spacer plate, expertly ceramic coated in sleek black for durability and optimal heat resistance...$139.68 -
WEHRLI WCF100349 2001-2004 LB7 DURAMAX DRIVER (HOT) SIDE 3" INTERCOOLER PIPE KIT
WEHRLI CUSTOM FABRICATION
$280.33The WEHRLI WCF100349 2001-2004 LB7 DURAMAX DRIVER SIDE 3" INTERCOOLER PIPE KIT is a premium aftermarket component designed to enhance the performance of your vehicle. This kit includes a single 3" driver side intercooler pipe crafted to replace the...$280.33 -
WEHRLI WCF100342 01-04 CHEVROLET 6.6L LB7 DURAMAX 3.5IN INTAKE HORN
WEHRLI CUSTOM FABRICATION
$131.92The WEHRLI WCF100342 01-04 CHEVROLET 6.6L LB7 DURAMAX 3.5IN INTAKE HORN is a high-quality 3 1/2" Turbo Intake Horn designed specifically for the 2001-2004 LB7 Duramax trucks. This intake horn is compatible with both the factory IHI Turbo as well as...$131.92 -
WEHRLI WCF100333 2003-2007 6.0 POWERSTROKE 4" INTAKE KIT
WEHRLI CUSTOM FABRICATION
$411.28The WEHRLI WCF100333 2003-2007 6.0 Powerstroke 4" Intake Kit is the ultimate upgrade for your 2003-2007 Ford 6.0L Powerstroke engine. This high-flow intake kit is specifically designed for the factory-style turbo, ensuring optimal performance and...$411.28 -
WEHRLI WCF100271 01-16 CHEVROLET 6.6L DURAMAX TWIN CP3 PULLEY DEEP OFFSET - BLACK ANODIZED FINISH
WEHRLI CUSTOM FABRICATION
$310.40Enhance the performance of your Chevrolet 6.6L Duramax engine with the WEHRLI WCF100271 Twin CP3 Pulley. Designed for 01-16 Chevrolet models, this pulley features a deep offset design to optimize the functioning of the twin CP3 injection pumps in your...$310.40 -
WEHRLI WCF100269 11-16 CHEVROLET 6.6L DURAMAX FASS FUEL SYSTEM RELOCATION BRACKET (CREW CAB ONLY)
WEHRLI CUSTOM FABRICATION
$101.85The WEHRLI WCF100269 11-16 CHEVROLET 6.6L DURAMAX FASS FUEL SYSTEM RELOCATION BRACKET is the perfect solution for relocating your FASS fuel system in your 2011-2016 LML Crew Cab Duramax. Designed to move the FASS fuel system underneath the truck, just...$101.85 -
WEHRLI WCF100265 01-10 CHEVROLET 6.6L DURAMAX FASS FUEL SYSTEM RELOCATION BRACKET (CREW CAB ONLY)
WEHRLI CUSTOM FABRICATION
$92.15The WEHRLI WCF100265 01-10 Chevrolet 6.6L Duramax Fass Fuel System Relocation Bracket is a reliable and durable mounting solution for LB7, LLY, LBZ, and LMM Crew Cab Duramax models from 2001 to 2010. This innovative bracket is designed to relocate the...$92.15 -
WEHRLI WCF100230 04.5-10 CHEVROLET 6.6L DURAMAX HIGH FLOW RAIL FITTING (LONG)
WEHRLI CUSTOM FABRICATION
$59.17Enhance the performance of your Chevrolet 6.6L Duramax engine with the WEHRLI WCF100230 High Flow Rail Fitting. Specifically designed for the LLY, LBZ, and LMM models, this stainless steel rail fitting is engineered to optimize fuel delivery and...$59.17 -
WEHRLI WCF100229 01-05 & 11-16 CHEVROLET 6.6L DURAMAX HIGH FLOW RAIL FITTING (SHORT)
WEHRLI CUSTOM FABRICATION
$37.83The WEHRLI WCF100229 High Flow Rail Fitting is designed to enhance the performance of your 01-05 and 11-16 Chevrolet 6.6L Duramax engine. Specifically tailored for LB7 & LLY or LML fuel rails, this high-quality stainless steel fitting is a powerful...$37.83 -
WEHRLI WCF100121 11-15 CHEVROLET 6.6L LML DURAMAX 3IN DOWN PIPE (V-BAND STYLE)
WEHRLI CUSTOM FABRICATION
$212.43Enhance the performance of your Chevrolet 6.6L LML Duramax engine with the WEHRLI WCF100121 11-15 3" Down Pipe. This top-of-the-line down pipe is designed to replace the restrictive crushed factory down pipe, allowing for improved exhaust flow and...$212.43 -
WEHRLI WCF100120 04.5-10 CHEVROLET 6.6L LLY/LBZ/LMM DURAMAX 3IN DOWN PIPE
WEHRLI CUSTOM FABRICATION
$189.15The WEHRLI WCF100120 04.5-10 CHEVROLET 6.6L LLY/LBZ/LMM DURAMAX 3IN DOWN PIPE is a game-changer for Chevrolet Silverado and GMC Sierra 2500/3500 HD truck owners looking to boost their vehicle's performance. This high-quality downpipe is designed to...$189.15 -
WEHRLI WCF100119 01-04 CHEVROLET 6.6L LB7 DURAMAX 3IN DOWN PIPE
WEHRLI CUSTOM FABRICATION
$222.13Enhance the performance of your 01-04 Chevrolet 6.6L LB7 Duramax with the WEHRLI WCF100119 3-inch Downpipe. Specifically designed for use with the OEM charger or Stealth series Drop in, this downpipe is a game-changer when it comes to optimizing your...$222.13 -
WEHRLI WCF100118 UNIVERSAL T4 SPACER PLATE KIT 0.5IN W/STUDS & GASKETS
WEHRLI CUSTOM FABRICATION
$79.54The WEHRLI WCF100118 Universal T4 Spacer Plate Kit offers top-notch quality and performance for your vehicle's exhaust system. Crafted from 1/2" thick steel, this divided T4 spacer plate is built to last and enhance your engine's efficiency. The ceramic...$79.54 -
WEHRLI WCF100096 11-16 CHEVROLET 6.6L LML DURAMAX TURBO RESONATOR BILLET BLOCK OFF PLATE
WEHRLI CUSTOM FABRICATION
$42.68The WEHRLI WCF100096 11-16 CHEVROLET 6.6L LML DURAMAX TURBO RESONATOR BILLET BLOCK OFF PLATE is a game-changer in engine bay cleanliness and performance enhancement. Say goodbye to the bulky plastic resonator connected to your intake and welcome the...$42.68 -
WEHRLI WCF100024 01-16 CHEVROLET 6.6L DURAMAX VALLEY CP3 BLOCK OFF PLATE
WEHRLI CUSTOM FABRICATION
$66.93Enhance the performance of your 2001-2016 Chevrolet 6.6L Duramax engine with the WEHRLI WCF100024 Billet CP3 Block Off Plate. Crafted to precision, this block off plate is designed to securely seal the valley CP3 pump, optimizing the efficiency of your...$66.93 -
WEHRLI WCF100023 01-04 CHEVROLET 6.6L LB7 DURAMAX FUEL PRESSURE RELIEF VALVE DELETE KIT
WEHRLI CUSTOM FABRICATION
$66.93The WEHRLI WCF100023 01-04 Chevrolet 6.6L LB7 Duramax Fuel Pressure Relief Valve Delete Kit is the ultimate solution for clearing larger Y-bridges by removing the High Pressure Fuel Relief Valve on top of an LB7 intake runner. This comprehensive kit...$66.93