Wehrli

WCFab 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...

WCFab 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...

WCFab X Fleece Performance Engineering Thermostat Housing for 2019-2024 6.7L Cummins is a direct replacement upgrade for the unsightly OEM part. This coolant elbow kit features a port with plug to...

WCFab'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...

The WCFab LB7 4 in. High Flow Cast Aluminum Turbo Intake Horn for 2001-2004 Chevrolet Silverado or GMC 2500 / 3500 HD trucks equipped with the 6.6L Duramax Diesel is the largest and highest flowing...

Stage 1 High Flow Bundle Package for 2003-2007 5.9L Cummins. Saves $29 vs buying all components individually!This Part Fits:YearMakeModelSubmodel2003,2005-2007DodgeRam 2500Laramie2003-2007DodgeRam...

WCFab 2011-2016 GM LML 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...

WCFab X Fleece Performance Engineering Thermostat Housing for 1998-2018 5.9L & 6.7L Cummins is a direct replacement upgrade for the unsightly OEM part. This coolant elbow kit features a port with...

Clean 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...

Upgrade your 2003-2007 5.9L Cummins diesel equipped Dodge Ram 2500 or 3500 with this heavy duty precision mandrel bent aluminum passenger (hot) side 3 in. intercooler pipe from WCFab. Designed for...

Wehrli 01-07 LB7/LLY/LBZ Duramax Steel MAF Sensor Bung

2007.5-2009 6.7 Cummins 4" Intake Kit for Factory Turbocharger. This intake works in-conjunction with the factory turbo.This Part Fits:YearMakeModelSubmodel2007-2009DodgeRam...

3.5 in. Turbo Intake Horn for the 2020-2024 L5P Duramax with factory style Turbo. The OEM plastic intake horn is 2.4 in. diameter and we experienced a 25HP Gain with our 3.5 in. Horn when used with a...

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 use with OEM RAM radiator. Aftermarket radiators may...

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 diesel engine mounts in the OEM coolant tank...