Wehrli 01-04 Chevrolet 6.6L Duramax LB7 2in Stainless Pass. Side Up Pipe w/Gaskets (Single Turbo)
WCFWCF100654
Connecting Pipes
Exhaust, Mufflers & Tips
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)
WCFWCF100648
Connecting Pipes
Exhaust, Mufflers & Tips
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
WCFWCF100590
Connecting Pipes
Exhaust, Mufflers & Tips
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 01-10 Chevrolet 6.6L Duramax FASS Fuel System Relocation Bracket (Crew Cab Only)
WCFWCF100265
Fuel Delivery
Fuel Pump - External Mounts
2001-2010 LB7, LLY, LBZ, LMM Crew Cab Duramax Fass Fuel System Relocation Mounting Bracket for Chevy Silverado or GMC Sierra 2500 / 3500 trucks....
Wehrli 01-10 Chevrolet 6.6L Duramax Traction Bar Install Kit
WCFWCF100840
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
WCFWCF100463-FTB
Engine Components
Engine Covers
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)
WCFWCF100652
Connecting Pipes
Exhaust, Mufflers & Tips
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
WCFWCF100240
Engine Components
Hardware Kits - Other
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
WCFWCF100363
Exhaust, Mufflers & Tips
Headers & Manifolds
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 LB7/LLY/LBZ/LMM/LML/L5P Duramax Brake Master Cylinder Cover - Gloss Black
WCFWCF100205-GB
Brake Master Cylinder
Brakes, Rotors & Pads
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
WCFWCF100205-GW
Brake Master Cylinder
Brakes, Rotors & Pads
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
WCFWCF100205-RED
Brake Master Cylinder
Brakes, Rotors & Pads
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 03-09 Dodge 5.9L/6.7L Cummins (Non-Twin CP3) Upper Coolant Pipe - Bengal Red
WCFWCF100678-BR
Cooling
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 Ram Cummins 4in Down Pipe - w/High Mount S400 Turbo & 2nd Gen Manifold
WCFWCF100262
Downpipes
Exhaust, Mufflers & Tips
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
WCFWCF100120
Downpipes
Exhaust, Mufflers & Tips
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
WCFWCF100703
Downpipes
Exhaust, Mufflers & Tips
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 - Gloss Black
WCFWCF100352-GB
Forced Induction
Intercooler Pipe Kits
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
WCFWCF100352-GW
Forced Induction
Intercooler Pipe Kits
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
WCFWCF100352-RED
Forced Induction
Intercooler Pipe Kits
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
WCFWCF100733
Fabrication
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
WCFWCF100189
Engine Components
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,...
Wehrli 06-10 Chevrolet 6.6L LBZ/LMM Duramax Passenger Side 3.5in Intercooler Pipe - Gloss Black
WCFWCF100367-GB
Forced Induction
Intercooler Pipe Kits
The 3.5" High Flow Passenger (Cold) Side Intercooler Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the failure prone factory plastic piece with a larger,...
Wehrli 06-10 GM LBZ/LMM Duramax Passenger Side Intercooler Outlet Elbow Kit - Gloss Black
WCFWCF100466-GB
Forced Induction
Intercooler Pipe Kits
The 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...
Wehrli 06-23 Cummins 5.9L/6.7L Brake Master Cylinder Reservoir Cover - Bengal Red
WCFWCF100209-BR
Brake Master Cylinder
Brakes, Rotors & Pads
Clean up the engine bay of your 2006-2024 Dodge Ram 2500/3500 5.9L or 6.7L Cummins truck with this custom powder coated fabricated aluminum brake...
