20-24 Duramax L5P Stage 3 High Flow Bundle Kit - Gloss White
$1,829.00
$1,774.13
WCFWCF100418-GW
Air Intake Systems
Cold Air Intakes
GMC | Chevy
The OEM resonator and middle boot joint for improved flow and durability and includes high quality reinforced silicone boots and stainless t-bolt clamps for...
2011-2016 LML Duramax Passenger Side Upper Crossover Intercooler Pipe Kit Gloss Black
$419.00
$406.43
WCFWCF100328-GB
Forced Induction
GMC | Chevy
Intercooler Pipe Kits
New Products
The 3" High Flow Passenger Side Upper Crossover Intercooler Pipe for 2011-2016 LML Duramax provides a 20% increase in size over the OEM part...
Wehrli 01-04 Chevrolet 6.6L Duramax LB7 2in Stainless Pass. Side Up Pipe w/Gaskets (Single Turbo)
$335.00
$324.95
WCFWCF100654
Chevrolet
Connecting Pipes
Exhaust, Mufflers & Tips
GMC | Chevy
New Products
Replace the lightweight 16G, leak-prone passenger side OEM up pipe in your 2001-2004 6.6L LB7 Duramax with this heavy-duty 11 gauge 2" Stainless up...
Wehrli 01-04 Chevrolet 6.6L Duramax LB7 2in Stainless Passenger Side Up Pipe w/Gaskets (Twin Turbo)
$335.00
$324.95
WCFWCF100648
Chevrolet
Connecting Pipes
Exhaust, Mufflers & Tips
GMC | Chevy
New Products
Replace the lightweight, leak-prone passenger side OEM up pipe with this heavy-duty 11 gauge 2" Stainless up pipe. HD Stainless Bellows that will not...
Wehrli 01-04 Chevrolet 6.6L Duramax LB7 2in Stainless Up Pipe Kit w/Gaskets - Single Turbo
$625.00
$606.25
WCFWCF100590
Chevrolet
Connecting Pipes
Exhaust, Mufflers & Tips
GMC | Chevy
New Products
Replace the lightweight 16G, leak-prone, 1 5/8" OEM up pipes with these heavy-duty 11 gauge 2" Stainless up pipe kit. HD Stainless Bellows that...
Wehrli 01-04 Chevrolet 6.6L LB7 Duramax 3.5in Intake Horn - Gloss Black
$145.00
$140.65
WCFWCF100342-GB
Air Intake Components
Air Intake Systems
Chevrolet
GMC | Chevy
New Products
3 1/2" Turbo Intake Horn for 2001-2004 LB7 Duramax. Compatible with factory IHI Turbo or upgraded drop in IHI Turbos and OEM or aftermarket...
Wehrli 01-04 Chevrolet 6.6L LB7 Duramax 3in Y-Bridge Kit - Gloss Black
$895.00
$868.15
WCFWCF100693-GB
Air Intake Systems
Chevrolet
GMC | Chevy
Intake Elbows
New Products
The only High Flow 3" Complete Y-Bridge kit on the market for your LB7 that is compatible with the factory IHI turbo and aftermarket...
Wehrli 01-04 Chevrolet 6.6L LB7 Duramax 3in Y-Bridge Kit - WCFab Grey
$945.00
$916.65
WCFWCF100693-GRY
Air Intake Systems
Chevrolet
GMC | Chevy
Intake Elbows
New Products
The only High Flow 3" Complete Y-Bridge kit on the market for your LB7 that is compatible with the factory IHI turbo and aftermarket...
Wehrli 01-04 Chevrolet 6.6L LB7 Duramax Driver Side 3in Intercooler Pipe - Gloss Black
$305.00
$295.85
WCFWCF100349-GB
Chevrolet
Forced Induction
GMC | Chevy
Intercooler Pipe Kits
New Products
1 Piece 3" Driver Side Intercooler pipe that was designed to replace the factory pipe and low-quality silicone boots. This Intercooler pipe compliments our...
Wehrli 01-04 Chevrolet 6.6L LB7 Duramax Driver Side 3in Intercooler Pipe - WCFab Grey
$330.00
$320.10
WCFWCF100349-GRY
Chevrolet
Forced Induction
GMC | Chevy
Intercooler Pipe Kits
New Products
1 Piece 3" Driver Side Intercooler pipe that was designed to replace the factory pipe and low-quality silicone boots. This Intercooler pipe compliments our...
Wehrli 01-04 Chevrolet Duramax LB7 S300/S400 Single Turbo 3in Y-Bridge Kit - Raw
$569.00
$551.93
WCFWCF100615-RAW
Air Intake Systems
Chevrolet
GMC | Chevy
Intake Elbows
3" High Flow Y-Bridge for custom fabrication use. Not a direct OEM replacement. Does bolt to OEM intake runners. 3" Bead Roll Connection at...
Wehrli 01-04 Duramax LB7 4in Intake Kit with Air Box Stage 2 - Gloss Black
$619.00
$600.43
WCFWCF100300-GB
Air Intake Systems
Cold Air Intakes
GMC | Chevy
WCFab 2001-2004 GM LB7 6.6L Duramax Stage 2 Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box enclosure...
Wehrli 01-07 Chevrolet 6.6L LB7/LLY/LBZ Duramax OEM Placement Coolant Tank Kit - Gloss Black
$473.00
$458.81
WCFWCF100645-GB
Chevrolet
Coolant Reservoirs
Cooling
GMC | Chevy
New Products
WCFab's Fabricated Aluminum Coolant Tank Kit for the 2001-2007 Chevrolet Silverado and GMC Sierra 2500 and 3500 HD trucks equipped with the 6.6L Duramax...
Wehrli 01-07 Chevrolet 6.6L LB7/LLY/LBZ Duramax OEM Placement Coolant Tank Kit - WCFab Red
$498.00
$483.06
WCFWCF100645-RED
Chevrolet
Coolant Reservoirs
Cooling
GMC | Chevy
New Products
WCFab's Fabricated Aluminum Coolant Tank Kit for the 2001-2007 Chevrolet Silverado and GMC Sierra 2500 and 3500 HD trucks equipped with the 6.6L Duramax...
Wehrli 01-10 Chevrolet 6.6L Duramax FASS Fuel System Relocation Bracket (Crew Cab Only)
$99.00
$96.03
WCFWCF100265
Best Sellers
Chevrolet
Fuel Delivery
Fuel Pump - External Mounts
GMC | Chevy
New Products
2001-2010 LB7, LLY, LBZ, LMM Crew Cab Duramax Fass Fuel System Relocation Mounting Bracket. Relocates the FASS fuel system to underneath the truck on...
Wehrli 01-10 Chevrolet 6.6L Duramax Traction Bar Install Kit
$274.00
$265.78
WCFWCF100840
Chevrolet
GMC | Chevy
New Products
Suspension
Suspension Arms & Components
Built in house at WCFab our traction bar brackets bolt on to the bottom of the axle tube via the axle u-bolts and weld...
Wehrli 01-10 GM 2500/3500 HD Lower Splash Shield Kit - Fine Texture Black
$289.00
$280.33
WCFWCF100463-FTB
Engine Components
Engine Covers
GMC | Chevy
New Products
The 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...
Wehrli 01-16 Chevrolet 6.6L Duramax 2in Stainless Driver Side Up Pipe w/Gaskets (Single/Twin Turbo)
$335.00
$324.95
WCFWCF100652
Chevrolet
Connecting Pipes
Exhaust, Mufflers & Tips
GMC | Chevy
New Products
Replace the lightweight 16G, leak-prone Driver side OEM up pipe with this heavy-duty 11 gauge 2" Stainless up pipe. HD Stainless Bellow that will...
Wehrli 01-16 Chevrolet 6.6L LB7/LLY/LBZ/LMM/LML Duramax Up Pipe Bolt Kit
$37.00
$35.89
WCFWCF100240
Best Sellers
Chevrolet
Engine Components
GMC | Chevy
Hardware Kits - Other
New Products
The WCFab ARP Bolt Kit for 2001-2016 Duramax Up Pipes or LB7 Turbo Down Pipes is comprised of 6 specially selected high strength 12...
Wehrli 01-16 Chevrolet Duramax Exhaust Manifold Kit w/ Gaskets & Hardware
$1,399.00
$1,357.03
WCFWCF100363
Chevrolet
Exhaust, Mufflers & Tips
GMC | Chevy
Headers & Manifolds
New Products
WCFab’s 2001-2016 Duramax Billet Exhaust Manifolds replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components. These manifolds are exhaust port...
Wehrli 01-19 Chevrolet Duramax/03-19 Dodge Cummins 11.5in AAM Rear Diff. Cover - Gloss Black
$374.00
$362.78
WCFWCF100113-GB
Chevrolet
Diff Covers
Drivetrain
GMC | Chevy
New Products
Wehrli Custom Fab Differential Cover, 11.5 in. AAM Rear Axle, for Duramax/Cummins, Gloss BlackThis Part Fits: Year Make Model Submodel 2001-2005 Chevrolet Silverado 2500...
Wehrli 01-19 Chevrolet LB7/LLY/LBZ/LMM/LML/L5P Duramax Brake Master Cylinder Cover - Candy Red
$170.00
$164.90
WCFWCF100205-CR
Brake Master Cylinder
Brakes, Rotors & Pads
Chevrolet
GMC | Chevy
Clean up the engine bay of your 2001-2019 GM 2500/3500 Duramax truck with this custom powder coated fabricated aluminum brake reservoir cover from WCFab...
Wehrli 01-19 Chevrolet LB7/LLY/LBZ/LMM/LML/L5P Duramax Brake Master Cylinder Cover - Gloss Black
$145.00
$140.65
WCFWCF100205-GB
Brake Master Cylinder
Brakes, Rotors & Pads
Chevrolet
GMC | Chevy
New Products
Clean up the engine bay of your 2001-2019 GM 2500/3500 Duramax truck with this custom powder coated fabricated aluminum brake reservoir cover from WCFab...
Wehrli 01-19 Chevrolet LB7/LLY/LBZ/LMM/LML/L5P Duramax Brake Master Cylinder Cover - Gloss White
$145.00
$140.65
WCFWCF100205-GW
Brake Master Cylinder
Brakes, Rotors & Pads
Chevrolet
GMC | Chevy
New Products
Clean up the engine bay of your 2001-2019 GM 2500/3500 Duramax truck with this custom powder coated fabricated aluminum brake reservoir cover from WCFab...
Wehrli 01-19 Chevrolet LB7/LLY/LBZ/LMM/LML/L5P Duramax Brake Master Cylinder Cover - WCFab Grey
$170.00
$164.90
WCFWCF100205-GRY
Brake Master Cylinder
Brakes, Rotors & Pads
Chevrolet
GMC | Chevy
New Products
Clean up the engine bay of your 2001-2019 GM 2500/3500 Duramax truck with this custom powder coated fabricated aluminum brake reservoir cover from WCFab...
Wehrli 01-19 Chevrolet LB7/LLY/LBZ/LMM/LML/L5P Duramax Brake Master Cylinder Cover - WCFab Red
$170.00
$164.90
WCFWCF100205-RED
Brake Master Cylinder
Brakes, Rotors & Pads
Chevrolet
GMC | Chevy
New Products
Clean up the engine bay of your 2001-2019 GM 2500/3500 Duramax truck with this custom powder coated fabricated aluminum brake reservoir cover from WCFab...
Wehrli 03-07 Dodge 5.9L Cummins 4in Intake Kit - Gloss Black
$415.00
$402.55
WCFWCF100346-GB
Air Intake Systems
Cold Air Intakes
GMC | Chevy
New Products
4" Intake Kit for 2003-2007 Dodge Ram 2500 / 3500 5.9L Cummins with Factory or OEM style Turbocharger.This high flow, fabricated aluminum intake pipe...
Wehrli 03-07 Ford 6.0L Powerstroke 4in. Intake Kit - Illusion Purple
$470.00
$455.90
WCFWCF100333-IP
Air Intake Systems
Cold Air Intakes
Ford
GMC | Chevy
2003-2007 Ford 6.0L Powerstroke 4" High Flow Intake Kit for Factory style turbo.This Part Fits: Year Make Model Submodel 2004-2007 Ford F-250 Super Duty...
Wehrli 03-09 Dodge 5.9L/6.7L Cummins (Non-Twin CP3) Upper Coolant Pipe - Bengal Red
$156.00
$151.32
WCFWCF100678-BR
Cooling
GMC | Chevy
New Products
Radiator Hoses
Aluminum Upper Coolant Pipe for 2003-2009 Cummins replaces the OEM rubber upper coolant hose and comes powder coated in your choice of colors! For...
Wehrli 03-09 Dodge 5.9L/6.7L Cummins (Non-Twin CP3) Upper Coolant Pipe - Gloss Black
$156.00
$151.32
WCFWCF100678-GB
Cooling
GMC | Chevy
Radiator Hoses
Aluminum Upper Coolant Pipe for 2003-2009 Cummins replaces the OEM rubber upper coolant hose and comes powder coated in your choice of colors! For...
Wehrli 03-09 Dodge 5.9L/6.7L Cummins (Non-Twin CP3) Upper Coolant Pipe - WCFab Red
$181.00
$175.57
WCFWCF100678-RED
Cooling
GMC | Chevy
Radiator Hoses
Aluminum Upper Coolant Pipe for 2003-2009 Cummins replaces the OEM rubber upper coolant hose and comes powder coated in your choice of colors! For...
Wehrli 04.5-07 Dodge 5.9L Cummins OEM Placement Coolant Tank Kit - WCFab Grey
$434.00
$420.98
WCFWCF100542-GRY
Coolant Reservoirs
Cooling
GMC | Chevy
New Products
2004.5-2007 5.9L Cummins Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. Dress up your engine bay by replacing the aging, yellowed...
Wehrli 04.5-07 Dodge Ram Cummins 4in Down Pipe - w/High Mount S400 Turbo & 2nd Gen Manifold
$339.00
$328.83
WCFWCF100262
Downpipes
Exhaust, Mufflers & Tips
GMC | Chevy
New Products
WCFab 4" Turbo Down Pipe for 2004.5-2007 5.9L Cummins with High Mount style turbo on 2nd Gen style exhaust manifold allows for a quick...
Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax 3in Down Pipe
$195.00
$189.15
WCFWCF100120
Chevrolet
Downpipes
Exhaust, Mufflers & Tips
GMC | Chevy
New Products
Replace the restrictive crushed factory down pipe with this full 3" down pipe. High Temp Ceramic Coated for protection. For use with factory turbo...
Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax 3in Stainless Down Pipe
$249.00
$241.53
WCFWCF100703
Chevrolet
Downpipes
Exhaust, Mufflers & Tips
GMC | Chevy
New Products
Replace the restrictive crushed factory turbo down pipe / exhaust front pipe on the 6.6L Duramax Diesel V8 found in the 2004.5 - 2010...
Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax Driver Side 3in Intercooler Pipe - Bengal Blue
$305.00
$295.85
WCFWCF100352-BB
Chevrolet
Forced Induction
GMC | Chevy
Intercooler Pipe Kits
New Products
LLY, LBZ, LMM Duramax One Piece High Flow 3" Driver Side Intercooler pipe. Replaces the 2 1/2" OEM inter cooler with a full 3"...
Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax Driver Side 3in Intercooler Pipe - Gloss Black
$305.00
$295.85
WCFWCF100352-GB
Chevrolet
Forced Induction
GMC | Chevy
Intercooler Pipe Kits
New Products
LLY, LBZ, LMM Duramax One Piece High Flow 3" Driver Side Intercooler pipe. Replaces the 2 1/2" OEM inter cooler with a full 3"...
Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax Driver Side 3in Intercooler Pipe - Gloss White
$305.00
$295.85
WCFWCF100352-GW
Chevrolet
Forced Induction
GMC | Chevy
Intercooler Pipe Kits
New Products
LLY, LBZ, LMM Duramax One Piece High Flow 3" Driver Side Intercooler pipe. Replaces the 2 1/2" OEM inter cooler with a full 3"...
Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax Driver Side 3in Intercooler Pipe - WCFab Grey
$330.00
$320.10
WCFWCF100352-GRY
Chevrolet
Forced Induction
GMC | Chevy
Intercooler Pipe Kits
New Products
LLY, LBZ, LMM Duramax One Piece High Flow 3" Driver Side Intercooler pipe. Replaces the 2 1/2" OEM inter cooler with a full 3"...
Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax Driver Side 3in Intercooler Pipe - WCFab Red
$330.00
$320.10
WCFWCF100352-RED
Chevrolet
Forced Induction
GMC | Chevy
Intercooler Pipe Kits
New Products
LLY, LBZ, LMM Duramax One Piece High Flow 3" Driver Side Intercooler pipe. Replaces the 2 1/2" OEM inter cooler with a full 3"...
Wehrli 04.5-16 Chevrolet 6.6L LLY/LBZ/LMM/LML Duramax VGT Exhaust Housing Heat Blanket
$155.00
$150.35
WCFWCF100733
Chevrolet
Fabrication
GMC | Chevy
Heat Shields
Reduce under hood temps, increase turbocharger efficiency and clean up the engine bay on your 2004.5-2016 Chevrolet Silverado or GMC Sierra 2500 / 3500...
Wehrli 04.5-2010 Duramax LLY/LBZ/LMM Crankcase Vent (PCV) Fitting Kit - Billet Black Anodized
$46.00
$44.62
WCFWCF100189
Best Sellers
Engine Components
GMC | Chevy
New Products
PCV Valves
Replace 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,...