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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
WEHRLI WCF205-136 CUMMINS #10 JIC / -10AN COOLANT FITTING
WEHRLI CUSTOM FABRICATION
$44.62Cummins Thin Flange #10 JIC / -10 AN Male Fitting for Coolant Port Behind Waterpump. Press Fit Connection with High Temp O-Ring Seal and Mounting Bolt Tab. #10 JIC / -10AN Male Fitting for Coolant Port Behind Water pump- Press Fit Connection...$44.62 -
WEHRLI WCF100674 T3/T4/T6 SMALL/MIDFRAME TURBOCHARGER -10AN EXTENDED OIL DRAIN FITTING KIT
WEHRLI CUSTOM FABRICATION
$60.14Black Anodized Billet Aluminum Turbo Drain Flange with #10AN Extended Drain Tube lowers the threaded connection of the oil drain line from the turbo drain port for easier access with wrench for installation. Our adapter flange to the turbo center section...$60.14 -
WEHRLI WCF100854 DODGE, FORD, UNIVERSAL 60" TRACTION BAR KIT (RCLB, ECSB, CCSB)
WEHRLI CUSTOM FABRICATION
$750.78***This kit includes 60" long bars for Regular Cab Long Bed, Extended Cab Short Bed and Crew Cab Short Bed Models*** For 1999-2010 Ford and 1994-2024 Dodge HD Leaf Spring Rear Suspension Trucks Built in house at WCFab carrying a LIFETIME WARRANTY against...$750.78 -
WEHRLI WCF100543 BILLET ALUMINUM COOLANT TANK CAP, BLACK ANODIZED
WEHRLI CUSTOM FABRICATION
$37.8318-20PSI Replacement Coolant Tank Cap, Black Anodized. Used on WCFab Fabricated Coolant Tanks on 2001-2024 Duramax or 2004.5-07 & 2010-2024 6.7L Cummins. - Replacement cap for WCFab Coolant Tank- Black Anodized Finish The WEHRLI WCF100543...$37.83 -
WEHRLI WCF100155 1999-2023 GM BILLET COOLANT HEATER CORE FIREWALL FITTING
WEHRLI CUSTOM FABRICATION
$39.77The factory plastic GM Coolant Heater Core Firewall Fitting is a common failure point on Duramax trucks and other GM vehicles. Our made in the USA, billet aluminum direct-fit replacement is more resistant to heat and vibration. Prevent leaks with this...$39.77 -
WEHRLI WCF100733 2004.5-2016 DURAMAX VGT TURBO HEAT BLANKET
WEHRLI CUSTOM FABRICATION
$150.35Reduce under hood temps, increase turbocharger efficiency and clean up the engine bay on your 2004.5-2016 Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck equipped with the 6.6L Duramax diesel with Made in USA heat blankets from WCFab. Did you know...$150.35 -
WEHRLI WCF205-140 CUMMINS #12 JIC / -12AN COOLANT FITTING
WEHRLI CUSTOM FABRICATION
$44.62Cummins Thick Flange #12 JIC / -12AN Male Fitting for Coolant Port Behind Water Pump. Press Fit Connection with High Temp O-Ring Seal and Mounting Bolt Tab. - #12 JIC / -12AN Male Fitting for Coolant Port Behind Water Pump- Press Fit High Temperature...$44.62 -
WEHRLI WCF100130 2001-2007 LB7/LLY/LBZ DURAMAX ALLISON 4X4 TRANSFER CASE BRACE
WEHRLI CUSTOM FABRICATION
$173.632001-2007 LB7/LLY/LBZ Duramax Allison Transfer Case Braces have been developed and tested for use on high horsepower Duramax applications, adding significant strength and reducing driveline flex common to extreme use such as off-roading, pulling, and...$173.63 -
WEHRLI WCF100822 2017-2024 L5P DURAMAX VGT TURBO HEAT BLANKET
WEHRLI CUSTOM FABRICATION
$148.41For use on tuned 2017-2025 L5P Duramax competition trucks equipped with VGT Style Turbochargers. • Easy to install blanket keeps heat inside the turbo housing• Decreases under hood temperatures• Internally rated to...$148.41 -
WEHRLI WCF207-103 2.75" X 3" ID STRAIGHT REDUCER 4.5" LONG SILICONE BOOT AND CLAMP KIT
WEHRLI CUSTOM FABRICATION
$60.14Contains one 2.75" x 3" ID Straight Reducer 4.5" Long Silicone Boot with Logo, one 3" T-Bolt Clamp and one 2.75" T-Bolt Clamp. Replacement part for: 2017-2019 L5P Duramax 3" Driver (Hot) Side Intercooler Pipe Kit (WCF100708) 2017-2019 L5P Duramax Stage...$60.14 -
WEHRLI WCF100140 2011-2019 LML/L5P DURAMAX ALLISON 4X4 TRANSFER CASE BRACE
WEHRLI CUSTOM FABRICATION
$173.632011-2019 LML/L5P Duramax Allison Transfer Case Braces have been developed and tested for use on high horsepower Duramax applications, adding significant strength and reducing driveline flex common to extreme use such as off-roading, pulling, and drag...$173.63 -
WEHRLI WCF100160 2011-2016 LML DURAMAX HD ENGINE MOUNTS
WEHRLI CUSTOM FABRICATION
$464.632011-2016 LML Duramax Heavy Duty Engine Mounts developed and tested for use on high horsepower application to reduce engine flex in the chassis and broken OEM engine mounts.These high performance Duramax motor mounts have been designed to maintain the...$464.63 -
WEHRLI WCF100826 2020-2024 DURAMAX 60" TRACTION BAR KIT (RCLB/CCSB/DCSB)
WEHRLI CUSTOM FABRICATION
$959.33***This kit includes 60" long bars for Regular Cab Long Bed, Extended Cab Short Bed and Crew Cab Short Bed Models*** ***This kit is for 2020-2025 GM HD Trucks*** If you have a Double Cab Long Bed or Crew Cab Long Bed truck use part number WCF100876. If...$959.33 -
WEHRLI WCF100158 2001-2010 LB7/LLY/LBZ/LMM DURAMAX HD ENGINE MOUNTS
WEHRLI CUSTOM FABRICATION
$464.632001-2010 LB7/LLY/LBZ/LMM Duramax Heavy Duty Engine Mounts developed and tested for use on high horsepower application to reduce engine flex in the chassis and broken OEM engine mounts.These high performance Duramax motor mounts have been designed to...$464.63 -
WEHRLI WCF207-111 3.5" ID X 4" LONG SILICONE BOOT AND CLAMP KIT
WEHRLI CUSTOM FABRICATION
$45.59Contains one 3.5" ID X 4" Long Straight Boot with Logo and two 3.5" T-Bolt Clamps. Replacement part for: 2013-2018 6.7L Cummins Stage 1 High Flow Intake Bundle Kit (WCF100423) 2013-2018 6.7L Cummins Driver Side 3.5" Intercooler Pipe Kit (WCF100434)...$45.59 -
WEHRLI WCF207-115 3" X 3.5" ID STRAIGHT REDUCER X 4" LONG SILICONE BOOT AND CLAMP KIT
WEHRLI CUSTOM FABRICATION
$45.59Contains one 3" x 3.5" Straight Reducing Boot, 4" Long with Logo, one 3.5" T-Bolt Clamp, and one 3" T-Bolt Clamp 2019-2023 6.7L Cummins Stage 1 High Flow Intake Bundle Kit (WCF100292) 2003-2007 5.9L Cummins 3.5" High Flow Intake Horn & Intercooler...$45.59 -
WEHRLI WCF207-104 3" ID X 4" LONG SILICONE BOOT AND CLAMP KIT
WEHRLI CUSTOM FABRICATION
$37.83Contains one 3" x 4" Silicone Reducer Boot with Logo, and two 3" T-Bolt Clamps. Replacement part for: 2017-2019 L5P Duramax 3" Driver (Hot) Side Intercooler Pipe Kit (WCF100708) 2017-2019 L5P Duramax Stage 1 High Flow Intake Bundle Kit (WCF100718)...$37.83 -
WEHRLI WCF100850 2001-2010 DURAMAX 60" TRACTION BAR KIT (RCLB/CCSB/ECSB)
WEHRLI CUSTOM FABRICATION
$959.33***This kit includes 60" long bars for Regular Cab Long Bed, Extended Cab Short Bed and Crew Cab Short Bed Models*** ***This kit is for 2001-2010 GM HD Trucks*** If you have Extended Cab Long Bed or Crew Cab Long Bed truck use part number WCF100852 If...$959.33 -
WEHRLI WCF100643 2007.5-2010 LMM DURAMAX TWIN TURBO COOLANT TANK KIT
WEHRLI CUSTOM FABRICATION
$402.55LMM 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...$402.55 -
WEHRLI WCF100135 2007.5-2010 LMM DURAMAX ALLISON 4X4 TRANSFER CASE BRACE
WEHRLI CUSTOM FABRICATION
$173.632007.5-2010 LMM Duramax Allison Transfer Case Braces have been developed and tested for use on high horsepower Duramax applications, adding significant strength and reducing driveline flex common to extreme use such as off-roading, pulling, and drag...$173.63 -
WEHRLI WCF207-108 3.5" ID X 5" LONG SILICONE HUMP BOOT AND CLAMP KIT
WEHRLI CUSTOM FABRICATION
$60.14Contains one 3.5" ID x 5" Long Silicone Hump Boot and two 3.5" T-Bolt Clamps. Replacement part for: 2006-2010 LBZ/LMM Duramax 3.5" Passenger (Cold) Side Intercooler Pipe Kit (WCF100367) 2006-2007 LBZ Duramax Stage 1 High Flow Intake Bundle Kit...$60.14 -
WEHRLI WCF207-102 4" ID X 3" LONG SILICONE BOOT AND CLAMP KIT
WEHRLI CUSTOM FABRICATION
$37.83Contains one 4" ID x 3" ID Straight Boot with Logo and two 4" T-Bolt Clamps. Replacement part for: 2006-2007 LBZ Duramax 4" Intake Kit with Air Box (WCF100192) 2007.5-2010 LMM Duramax 4" Intake Kit with Air Box (WCF100193) 2011-2016 LML Duramax 4"...$37.83 -
WEHRLI WCF207-101 5" ID X 2.5" LONG SILICONE BOOT AND CLAMP KIT
WEHRLI CUSTOM FABRICATION
$37.83Contains one 5" ID x 2.5" Boot with Logo and two 5" T-Bolt Clamps. Replacement part for: LB7 Duramax S400/Stock Twin (Compound) Turbo Kit (WCF100570) LB7 Duramax S400 Single Turbo Install Kit (WCF100489) 2003-2007 5.9L Cummins S400/Stock Twin Turbo Kit...$37.83 -
WEHRLI WCF100407 2011-2022 POWER STROKE 4" / DANA M275 AXLE TRACTION BAR BRACKETS & INSTALL KIT
WEHRLI CUSTOM FABRICATION
$324.95Built in house at WCFab these traction bar brackets are designed specifically for use on the Dana M275 rear axle option commonly found on 2017 and newer F-350 (SRW) trucks which features a 4" diameter tube. These brackets bolt on to the bottom of the...$324.95 -
WEHRLI WCF100853 2011-2019 DURAMAX 68" TRACTION BAR KIT (ECLB, CCLB)
WEHRLI CUSTOM FABRICATION
$959.33***This kit includes 68" long bars for Extended Cab Long Bed and Crew Cab Long Bed Models*** ***This kit is for 2011-2019 GM HD Trucks*** If you have a regular cab long bed, extended cab short bed, or crew cab short bed truck, use part number WCF100851...$959.33 -
WEHRLI WCF100852 2001-2010 DURAMAX 68" TRACTION BAR KIT (ECLB, CCLB)
WEHRLI CUSTOM FABRICATION
$959.33***This kit includes 68" long bars for Extended Cab Long Bed and Crew Cab Long Bed Models*** ***This kit is for 2001-2010 GM HD Trucks*** If you have regular cab long bed, extended cab short bed, or crew cab short bed truck use part number WCF100850. If...$959.33 -
WEHRLI WCF100260 2011-2016 LML DURAMAX CP3 CONVERSION KIT
WEHRLI CUSTOM FABRICATION
$751.75WCFab CP3 Conversion Kit for 2011-2016 Chevrolet Silverado and GMC Sierra 2500 HD and 3500 HD trucks equipped with the LML 6.6L Duramax Turbo Diesel engine. The Factory CP4.2 Pump Found on 2011-2016 LML Duramax is known to be a problematic component...$751.75 -
WEHRLI WCF100542 2004.5-2007 5.9L CUMMINS OEM PLACEMENT COOLANT TANK KIT
WEHRLI CUSTOM FABRICATION
$396.732004.5-2007 5.9L Cummins Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. Dress up your engine bay by replacing the aging, yellowed plastic coolant reservoir with our custom powder coated fabricated aluminum coolant tank...$396.73 -
WEHRLI WCF100284 2019-2023 6.7L CUMMINS OEM PLACEMENT COOLANT TANK KIT
WEHRLI CUSTOM FABRICATION
$509.252019-2024 6.7L Cummins 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 WCF100169 2019-2023 6.7L CUMMINS WCFAB X FLEECE THERMOSTAT HOUSING
$173.63The WEHRLI WCF100169 2019-2023 6.7L CUMMINS WCFAB X FLEECE THERMOSTAT HOUSING is a top-of-the-line upgrade designed to enhance the performance and aesthetics of your 6.7L Cummins engine. This direct replacement for the OEM thermostat housing offers a...$173.63 -
WEHRLI WCF100157 1998.5-2018 5.9L & 6.7L CUMMINS WCFAB X FLEECE THERMOSTAT HOUSING
WEHRLI CUSTOM FABRICATION
$173.63WCFab X Fleece Performance Engineering Thermostat Housing for 1998.5-2018 5.9L & 6.7L Cummins is a direct replacement upgrade for the unsightly OEM part. This coolant elbow kit features -8 AN O-ring auxiliary port with plug for accessories or...$173.63 -
WEHRLI WCF207-106 3.5" X 4" ID STRAIGHT REDUCER X 3" LONG SILICONE BOOT AND CLAMP KIT
WEHRLI CUSTOM FABRICATION
$42.68Contains one 3.5" x 4" ID Straight Reducer x 3" Long Silicone Boot, one 4" T-Bolt Clamp and one 3.5" T-Bolt Clamp. Replacement part for: 2004.5-2005 LLY Duramax 4" Intake Kit with Air Box (WCF100191) 2004.5-2005 LLY Duramax 4" Intake Kit (WCF100335)...$42.68 -
WEHRLI WCF100041 GM BILLET TIG TORCH STUBBY ANTENNA
WEHRLI CUSTOM FABRICATION
$59.17This low profile billet aluminum antenna is styled to resemble a TIG torch cap and is designed to replace the long, ugly OEM aerial antenna on your 2007.5-2019 GM HD 2500 / 3500 or 2014-2023 GM 1500 pickup (WCF100041) and 2020+ GM HD 2500 / 3500 trucks...$59.17 -
WEHRLI WCF100401 2011-2014 CHEVROLET 2500/3500HD TRUCK 3/8 IN. FRONT BUMPER SPACER KIT
WEHRLI CUSTOM FABRICATION
$144.532011-2014 Silverado 2500HD / 3500HD CNC machined billet aluminum spacer kits from WCFab move the front bumper forward off the frame horns 3/8 of an inch while maintaining maximum mounting surface area for structural integrity. Moving the bumper forward...$144.53 -
WEHRLI WCF207-26 TRACTION BAR BUSHINGS & HEIMS
WEHRLI CUSTOM FABRICATION
$178.48Bushings and Forged Johnny Joints with Jam Nuts for two traction bars. Used in all WCFAB Traction Bar Kits. - 2 Replacement Poly Bushing for WCFab Traction Bars- 2 Replacement RockJock Narrow Forged 2" Johnny Joints Enhance the functionality and...$178.48 -
WEHRLI WCF100855 DODGE, FORD, UNIVERSAL 68" TRACTION BAR KIT (ECLB, CCLB)
WEHRLI CUSTOM FABRICATION
$750.78***This kit includes 68" long bars for Extended Cab Long Bed and Crew Cab Long Bed Models*** For 1999-2010 Ford and 1994-2024 Dodge/Ram HD Leaf Spring Rear Suspension Trucks. Built in house at WCFab carrying a LIFETIME WARRANTY against bending or...$750.78 -
WEHRLI WCF100876 2020-2024 DURAMAX 68" TRACTION BAR KIT (DCLB/CCLB)
WEHRLI CUSTOM FABRICATION
$959.33***This kit includes 68" long bars for Double Cab Long Bed and Crew Cab Long Bed Models*** ***This kit is for 2020-2025 GM HD Trucks*** If you have a Regular Cab Long Bed, Double Cab Short Bed, or Crew Cab Short Bed truck use part number WCF100826...$959.33 -
WEHRLI WCF100851 2011-2019 DURAMAX 60" TRACTION BAR KIT (RCLB/CCSB/ECSB)
WEHRLI CUSTOM FABRICATION
$959.33***This kit includes 60" long bars for Regular Cab Long Bed, Extended Cab Short Bed, and Crew Cab Short Bed Models*** ***This kit is for 2011-2019 GM HD Trucks*** If you have a Regular Cab Long Bed truck, please measure forward 60 inches from the bottom...$959.33 -
WEHRLI WCF100646 2007.5-2010 LMM DURAMAX OEM PLACEMENT COOLANT TANK KIT
WEHRLI CUSTOM FABRICATION
$458.812007.5-2010 LMM 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...$458.81 -
WEHRLI WCF100178 2017-2023 L5P DURAMAX OEM/VGT TURBO GASKET KIT
WEHRLI CUSTOM FABRICATION
$140.65New Gasket Kit for 2017-2023 L5P and 2019+ L5D 6.6L Duramax OEM/VGT Turbocharger. Recommended when installing new OEM and stock appearing / upgraded aftermarket drop in style turbochargers and when removing and re-installing the turbo during service and...$140.65 -
WEHRLI WCF100217 PREMIUM DURAMAX/CUMMINS REAR DIFFERENTIAL COVER BOLT KIT
WEHRLI CUSTOM FABRICATION
$66.93This Premium Duramax/Cummins Rear Differential Cover Bolt Kit is an optional upgrade for our Diff Covers. Comprised of 12 specially selected high strength Stainless Steel 12-point ARP fasteners and matched washers for use with WCFab Duramax/Cummins AAM...$66.93 -
WEHRLI WCF100156 2015-2019 CHEVROLET SILVERADO 2500/3500HD LOWER VALANCE FILLER PANEL FRONT LICENSE PLATE MOUNT
WEHRLI CUSTOM FABRICATION
$43.65This WCFab stainless steel license plate mount is designed specifically for use with our 2015-2019 Chevrolet Silverado 2500 / 3500 HD Lower Front Bumper Valance Filler Panels. Laser cut and CNC bent bracket provides a new location to properly attach and...$43.65 -
WEHRLI WCF100546 2013-2018 6.7 CUMMINS RADIATOR / CORE SUPPORT COVER
WEHRLI CUSTOM FABRICATION
$193.03This fabricated aluminum cover replaces the OEM plastic shroud over the radiator and core support in your 6.7L Cummins equipped 2013-2018 Ram 2500 or 3500 truck to help put the finishing touch on your engine bay. CAD Designed, Precision Laser Cut and...$193.03 -
WEHRLI WCF100539 2010-2012 6.7 CUMMINS RADIATOR/CORE SUPPORT COVER
WEHRLI CUSTOM FABRICATION
$193.03This fabricated aluminum cover replaces the OEM plastic shroud over the radiator and core support in your 6.7L Cummins equipped 2010-2012 Ram 2500 or 3500 truck to help put the finishing touch on your engine bay. CAD Designed, Precision Laser Cut and...$193.03 -
WEHRLI WCF205-459 BILLET ORB FILL PLUG FOR WCFAB REAR DIFFERENTIAL COVERS
WEHRLI CUSTOM FABRICATION
$24.25Replacement Billet ORB Fill Cap for WCFab Duramax/Cummins AAM 11.5" Rear Differential Cover (WCF100113) and 2020-2024 GM 2500/3500HD & 2019-2022 Ram 2500/3500 Rear Differential Cover (WCF100114). Available in your choice of Black Anodized or Clear...$24.25 -
WEHRLI WCF100251 2019-2023 6.7L HIGH OUTPUT (HO) CUMMINS UPPER COOLANT PIPE
WEHRLI CUSTOM FABRICATION
$154.23Aluminum Upper Coolant Pipe for 2019-2024 6.7L High Output Cummins replaces the OEM rubber upper coolant hose and comes powder coated in your choice of colors! For use with OEM RAM radiator. Aftermarket radiators may cause fitment issues...$154.23 -
WEHRLI WCF10091 2004.5-2005 LLY DURAMAX 4" INTAKE KIT WITH AIR BOX
WEHRLI CUSTOM FABRICATION
$509.25WCFab 4" Intake Kit with Air Box for 2004.5-2005 LLY 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck. This high flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive...$509.25 -
WEHRLI WCF100730 2010-2024 6.7L CUMMINS ENGINE COVER
WEHRLI CUSTOM FABRICATION
$212.43Clean up the engine bay on your 2010-2024 6.7L Cummins by replacing the flimsy plastic OEM cover for the EGR crossover tube and throttle valve with this custom powder coated fabricated aluminum engine cover from WCFab. Installs with basic hand tools in...$212.43 -
WEHRLI WCF100292 2019-2023 6.7L CUMMINS STAGE 1 HIGH FLOW INTAKE BUNDLE KIT
WEHRLI CUSTOM FABRICATION
$532.53The WEHRLI WCF100292 6.7L Cummins Stage 1 High Flow Intake Bundle Kit is the ultimate enhancement to unleash the full potential of your 2019-2023 6.7 Cummins engine. Designed to revolutionize your truck's performance, this Stage 1 High Flow Bundle Kit...$532.53 -
WEHRLI WCF100134 2020-2024 L5P DURAMAX WCFAB X PPE HIGH-CAPACITY CAST ALUMINUM ENGINE OIL PAN
WEHRLI CUSTOM FABRICATION
$493.73The WEHRLI WCF100134 2020-2024 L5P Duramax WCFab X PPE High-Capacity Cast Aluminum Engine Oil Pan is the ultimate solution for enhancing your vehicle's engine performance and durability. Say goodbye to the inefficient stock oil pan and hello to the...$493.73 -
WEHRLI WCF100133 2017-2019 L5P DURAMAX WCFAB X PPE HIGH-CAPACITY CAST ALUMINUM ENGINE OIL PAN
WEHRLI CUSTOM FABRICATION
$484.03Experience superior oil control and engine performance with the WEHRLI WCF100133 2017-2019 L5P DURAMAX WCFab X PPE High-Capacity Cast Aluminum Engine Oil Pan. Enhance your vehicle's capabilities by swapping out the inefficient stock oil pan with this...$484.03 -
WEHRLI WCF 100132 2011-2016 LML DURAMAX WCFAB X PPE HIGH-CAPACITY CAST ALUMINUM ENGINE OIL PAN
WEHRLI CUSTOM FABRICATION
$396.73The WEHRLI WCF 100132 2011-2016 LML DURAMAX WCFAB X PPE HIGH-CAPACITY CAST ALUMINUM ENGINE OIL PAN is the premium solution to replace the inefficient stock oil pan in your 2011-2016 LML Duramax engine. This high-capacity cast aluminum pan is meticulously...$396.73 -
WEHRLI WCF100131 2001-2010 LB7/LLY/LBZ/LMM DURAMAX WCFAB X PPE HIGH-CAPACITY CAST ALUMINUM OIL PAN
WEHRLI CUSTOM FABRICATION
$367.63The WEHRLI WCF100131 2001-2010 LB7/LLY/LBZ/LMM Duramax WCFab X PPE High-Capacity Cast Aluminum Oil Pan offers a superior solution to upgrade your vehicle. Designed to replace the stock steel oil pan, this product features a flat bottom high-capacity...$367.63 -
WEHRLI WCF100622 | 2006-2010 LBZ/LMM DURAMAX UPPER COOLANT PIPE
WEHRLI CUSTOM FABRICATION
$138.71The WEHRLI WCF100622 Upper Coolant Pipe is the perfect upgrade for your 2006-2010 LBZ/LMM 6.6L Duramax-equipped Chevrolet Silverado or GMC Sierra 2500/3500 HD truck. This aluminum coolant pipe is designed to replace the OEM rubber upper coolant hose,...$138.71 -
WEHRLI WCF 100678 UPPER COOLANT PIPE 03-09 CUMMINS 6.7L
WEHRLI CUSTOM FABRICATION
$151.32The WEHRLI WCF 100678 UPPER COOLANT PIPE 03-09 CUMMINS 6.7L is a top-quality aluminum upper coolant pipe designed specifically for 2003-2009 5.9L & 6.7L Cummins engines. Say goodbye to your OEM rubber upper coolant hose and opt for this durable...$151.32 -
WEHRLI WCF100241 5.9L AND 6.7L CUMMINS INDIVIDUAL RUNNER BILLET INTAKE MANIFOLD
WEHRLI CUSTOM FABRICATION
$2,420.15The WEHRLI WCF100241 Billet Individual Runner Intake Manifold is the ultimate solution for Cummins engines seeking top-tier performance in drag racing and pulling applications. Crafted with precision and expertise, this intake manifold boasts a custom...$2,420.15 -
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 WCF100399 2011-2022 FORD POWER STROKE SCLB & CCLB 68IN TRACTION BAR KIT
WEHRLI CUSTOM FABRICATION
$1,017.53High Flow Intake Bundle Package for 2003-2007 5.9L Cummins. Saves $29.00 vs buying components individually! This Kit Includes: WCF100544 - 3" Passenger Side Intercooler Pipe WCF100528 - 3.5" Driver Side Intercooler Pipe and Intake Horn Kit Replaces the...$1,017.53 -
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 WCF100544 03-07 DODGE 5.9L CUMMINS PASSENGER SIDE 3IN REPLACEMENT INTERCOOLER PIPE
WEHRLI CUSTOM FABRICATION
$211.46Passenger 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...$211.46 -
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 WCF100223 2019-2023 6.7L CUMMINS STANDARD OUTPUT (SO) UPPER COOLANT PIPE
WEHRLI CUSTOM FABRICATION
$152.29Aluminum Upper Coolant Pipe for 2019-2024 6.7L Cummins replaces the OEM rubber upper coolant hose and comes powder coated in your choice of colors! For use with OEM RAM radiator. Aftermarket radiators may cause fitment issues. Replaces the following...$152.29 -
WEHRLI WCF100258 98-21 DODGE RAM 5.9L/6.7L CUMMINS BILLET ALUMINUM BRAKE MASTER CYLINDER CAP - BLACK ANODIZED
WEHRLI CUSTOM FABRICATION
$34.92Clean up the engine bay of your 1998.5-2024 5.9L or 6.7L Cummins truck with this black anodized billet aluminum brake reservoir cap from WCFab. This is a complete cap, not a cover. CNC machined in the USA from billet aluminum. - CNC Machined Billet Cap...$34.92 -
WEHRLI WCF100257 98-21 DODGE RAM 5.9L/6.7L CUMMINS BILLET ALUMINUM BRAKE MASTER CYLINDER CAP - CLEAR ANODIZED
WEHRLI CUSTOM FABRICATION
$34.92Clean up the engine bay of your 1998.5-2024 5.9L or 6.7L Cummins truck with this clear anodized billet aluminum brake reservoir cap from WCFab. This is a complete cap, not a cover. CNC machined in the USA from billet aluminum. - CNC Machined Billet Cap...$34.92 -
WEHRLI WCF100209 06-23 CUMMINS 5.9L/6.7L BRAKE MASTER CYLINDER COVER
WEHRLI CUSTOM FABRICATION
$154.23Clean up the engine bay of your 2006-2024 Dodge Ram 2500 / 3500 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 billet aluminum brake...$154.23 -
WEHRLI WCF100235 LBZ/LMM DURAMAX HIGH FLOW 3" Y-BRIDGE (BRIDGE ASSEMBLY ONLY)
WEHRLI CUSTOM FABRICATION
$551.93***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,...$551.93 -
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 WCF100344 2017-2019 L5P DURAMAX 4" INTAKE KIT WITH AIR BOX
WEHRLI CUSTOM FABRICATION
$586.85WCFab 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...$586.85 -
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 WCF100338 1998.5-2007 5.9L CUMMINS INTAKE SPACER KIT
WEHRLI CUSTOM FABRICATION
$94.091998.5-2007 5.9L Cummins Billet Intake Spacer Kit. This high flowing CNC machined billet aluminum plate allows maximum air flow from the intake horn into the cylinder head - increasing turbo spool up and performance. Unlike many other options on the...$94.09 -
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 WCF100839 UNIVERSAL TRACTION BAR 68IN LONG
WEHRLI CUSTOM FABRICATION
$693.55Traction bars are a necessary upgrade when increasing the horsepower on your truck to prevent the axle from twisting which can lead to broken u-joints, driveshafts, and even twisted axle housings. These Universal Fabricator Series 68" Traction Bars...$693.55 -
WEHRLI WCF100388 2011-2022 6.7L FORD POWER STROKE 60" TRACTION BAR KIT (CCSB/SCSB)
WEHRLI CUSTOM FABRICATION
$1,017.53***This kit includes 60" long bars for Crew Cab Short Bed Models*** ***This kit is for 2017-2024 Ford F-250 and F-350 Super Duty Trucks with 4 inch Axle Tube Diameter; Sterling 10.5” and Dana M275”*** Built in house at WCFab carrying a...$1,017.53 -
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 WCF100329 2003-2007 5.9L CUMMINS STAGE 1 HIGH FLOW INTAKE BUNDLE KIT
WEHRLI CUSTOM FABRICATION
$736.23High Flow Intake Bundle Package for 2003-2007 5.9L Cummins. Saves $29.00 vs buying components individually! This Kit Includes: WCF100544 - 3" Passenger Side Intercooler Pipe WCF100528 - 3.5" Driver Side Intercooler Pipe and Intake Horn Kit Replaces the...$736.23 -
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