Wehrli Custom Fab

Aluminum Upper Coolant Pipe for 2010-2018 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...

2011-2016 LML Duramax Coolant Bypass Kit. Preformed rubber hose routes coolant from thermostat housing to firewall/heater core connection with pre-installed GM quick connect fitting. Billet aluminum...

Replace the restrictive crushed factory down pipe on your 2017-2019 L5P Duramax with this 3.5" Down Pipe for improved exhaust flow. Connects to the DOC outlet flange behind the OEM turbo and mates...

1998.5-2007 5.9L Cummins Intake Grid Heater Delete Kit. Replace the OEM Intake Grid Heater with this high flowing CNC machined billet aluminum delete plate to Allow maximum air flow from the intake...

Run a more aggressive wheel and tire combination on your Chevrolet or GMC Heavy Duty Truck and eliminate rubbing on the front bumper and valance without the need for trimming factory components with...

Built in house at WCFab our traction bar brackets weld on to the bottom of the axle tube and weld to the frame on the front end. Grade 8 hardware connects the bars to the mounts on the frame and axle.

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 to the frame on the front end. Grade 8 hardware connects the bars to the mounts...

Removing the OEM plastic lower bumper valance on the 2015-2019 Chevrolet Silverado 2500 / 3500 HD trucks is a proven method for improving ground clearance and fitting more aggressive wheel and tire...

Run a more aggressive wheel and tire combination on your Chevrolet or GMC Heavy Duty Truck and eliminate rubbing on the front bumper and valance without the need for trimming factory components with...

2017+ L5P Duramax Fass Fuel System Relocation Mounting Bracket. Relocates the FASS fuel system to underneath the truck just in front of the fuel tank.

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 to the frame on the front end. Grade 8 hardware connects the bars to the mounts...

Removing the OEM plastic lower bumper valance on the 2015-2019 Chevrolet Silverado 2500 / 3500 HD trucks is a proven method for improving ground clearance and fitting more aggressive wheel and tire...

This quick and easy to install, billet aluminum plug allows you to clean up your engine bay and get more aggressive turbo sound in minutes by removing the big plastic resonator connected to your OEM...

Replace the restrictive crushed factory down pipe with this full 3" down pipe. For use with factory turbo or factory style drop in turbo. 2015.5 and newer LML have a 3 bolt flange exhaust system,...

1" Thick Steel Divided T4 Spacer Plate Kit, Ceramic Coated Black. Includes M10 Mounting Studs 2.5" long, nuts, washers, and two T4 Gaskets

Clean up the looks of your GMC 2500/3500 SIERRA or DENALI HD truck by replacing the amber fender marker lights with these trick Billet Marker Light Deletes from WCFab. Available in raw aluminum...

Clean up the engine bay of your 2001+ Duramax truck with this anodized billet aluminum oil fill tube cap from WCFab. This is a complete cap not a cover. Direct OEM replacement. CNC machined in the...

Map Sensor Seal and Bracket commonly needed on later year LMM's when installing WCFab y-bridge or turbo kits. If your Map sensor is connected to your intake manifold via a hose and IS NOT directly...

The stock thermostatic bypass for warming up the Allison quickly in cold weather conditions is a good idea in principle, but in practice we've seen the valve fail forcing trans fluid around the...

For use on tuned 2017-2021 L5P Duramax competition trucks equipped with VGT Style Turbochargers.

Removing the OEM plastic lower bumper valance on the 2015-2019 Chevrolet Silverado 2500 / 3500 HD trucks is a proven method for improving ground clearance and fitting more aggressive wheel and tire...

WCFab 2019+ Honda Talon 1000 X / R DIY Weld On Front Bumper Repair kits have been developed for the DIY customer or shop with access to a welder to upgrade weak and easily damaged 0.080 thick factory...

This quick and easy to install, billet aluminum plate allows you to clean up your engine bay in minutes by removing the big plastic resonator connected to the intake. 100% warranty and emissions...

Replace the restrictive crushed factory down pipe on your 2015.5-2016 LML Duramax with this full 3" Stainless steel down pipe. For use with factory turbo or factory style drop in turbo on trucks with...

WCFab SXS Winch Mounting Plate Kits for 2019 and newer Honda Talon 1000 X / R models are designed for use specifically with our front bumper kits and allow you to mount a power sports winch rated for...

1 1/2" Thick Steel Divided T4 Spacer Plate Kit, Ceramic Coated Black. Includes M10 Mounting Studs 2.75" long, nuts, washers, and two T4 Gaskets

Run a more aggressive wheel and tire combination on your Chevrolet or GMC Heavy Duty Truck and eliminate rubbing on the front bumper and valance without the need for trimming factory components with...

Clean up the looks of your GMC 2500/3500 SIERRA or DENALI HD truck by replacing the amber fender marker lights with these trick Billet Marker Light Deletes from WCFab. Available in raw aluminum...