wehrli

2001-2010 LB7, LLY, LBZ, LMM Crew Cab Duramax Fass Fuel System Relocation Mounting Bracket. Relocates the FASS fuel system to underneath the truck ...

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 point ARP faste...

Wehrli Custom Fab Differential Cover, 11.5 in. AAM Rear Axle, for Duramax/Cummins, Gloss BlackThis Part Fits: Year Make Model Submodel 2001-2005...

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 ...

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 ...

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 ...

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 ...

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 qualit...

This 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...

This 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...

This 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...

2011-2016 LML Crew Cab Duramax Fass Fuel System Relocation Mounting Bracket. Relocates the FASS fuel system to underneath the truck just in front o...

Removing the OEM plastic lower bumper valance on the 2015-2019 Chevrolet Silverado 2500 / 3500 HD trucks is a proven method for improving ground cl...

Removing the OEM plastic lower bumper valance on the 2015-2019 Chevrolet Silverado 2500 / 3500 HD trucks is a proven method for improving ground cl...

2015-2019 Chevrolet Silverado 2500 / 3500 HD Bumper Grilles from WCFab are constructed from heavy gauge stainless steel and designed to maintain ai...

The WCFab L5P Up Pipe Bolt Kit is comprised of 12 specially selected high strength ARP fasteners and matched washers with a pack of assembly lube a...

2020-2025 L5P Duramax Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location.Dress up your engine bay by replacing the ugly clea...

Clean up the look of your 2020-2025 GMC Sierra or Denali 2500 or 3500 HD truck by replacing the amber fender flare marker lights with these CAD Des...

1998.5-2007 5.9L Cummins Billet Intake Spacer Kit. This high flowing CNC machined billet aluminum plate allows maximum air flow from the intake hor...

Clean up the engine bay of your 1998.5-2024 Cummins with this Billet Aluminum Black Anodized Oil Fill Cap from WCFab. This is a complete cap, not a...

Clean up the engine bay of your 1999-2025 GM 1500/2500/3500 truck with this anodized billet aluminum brake reservoir cap from WCFab. This is a comp...

Clean up the engine bay of your 1999-2025 GM 1500/2500/3500 truck with this anodized billet aluminum brake reservoir cap from WCFab. This is a comp...

WCFab X Fleece Performance Engineering Thermostat Housing for 2019-2024 6.7L Cummins is a direct replacement upgrade for the unsightly OEM part. Th...