wehrli

Aluminum Upper Coolant Pipe for 2011-2016 LML Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! For use w...

Aluminum Upper Coolant Pipe for 2011-2016 LML Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! For use w...

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 filt...

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 filt...

The 3.5" High Flow Passenger Side Intercooler Pipe for 2011-2016 LML Duramax replaces the factory plastic two-piece pipe with a high flow, 14 ga. a...

The 3.5" High Flow Passenger Side Intercooler Pipe for 2011-2016 LML Duramax replaces the factory plastic two-piece pipe with a high flow, 14 ga. a...

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 en...

The WCFab Splash Shield Kit for 2011-2019 Chevrolet Silverado 2500/3500 HD and GMC Sierra/Denali 2500/3500 HD trucks replaces the easily damaged fa...

Aluminum Upper Coolant Pipe with Y-Connector for 2013-2015 6.7L Cummins equipped Ram 2500 / 3500 HD trucks equipped with DUAL (2) RADIATORS. Replac...

Aluminum Upper Coolant Pipe with Y-Connector for 2013-2015 6.7L Cummins equipped Ram 2500 / 3500 HD trucks equipped with DUAL (2) RADIATORS. Replac...

Aluminum Upper Coolant Pipe with Y-Connector for 2013-2015 6.7L Cummins equipped Ram 2500 / 3500 HD trucks equipped with DUAL (2) RADIATORS. Replac...

This fabricated aluminum cover replaces the OEM plastic shroud over the radiator and core support in your 6.7L Cummins equipped 2013-2018 Ram 2500 ...

2013-2018 6.7L Cummins Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. All New Design. Dress up your engine bay by repla...

2013-2018 6.7L Cummins Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. All New Design. Dress up your engine bay by repla...

2013-2018 6.7L Cummins Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. All New Design. Dress up your engine bay by repla...

2013-2018 6.7L Cummins Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. All New Design. Dress up your engine bay by repla...

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...

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

This WCFab stainless steel license plate mount is designed specifically for use with our 2015-2019 Chevrolet Silverado 2500 / 3500 HD Lower Front B...

2015-2019 Silverado and Sierra 2500HD / 3500HD CNC machined billet aluminum spacer kits from WCFab move the front bumper forward, keeping it off th...

2015-2019 Silverado and Sierra 2500HD / 3500HD CNC machined billet aluminum spacer kits from WCFab move the front bumper forward, keeping it off th...

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...

WCFab 2017-2019 GM L5P 6.6L Duramax 4" Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box enclosure with dry filt...

WCFab 2017-2019 GM L5P 6.6L Duramax 4" Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box enclosure with dry filt...

WCFab 3" High Flow Driver (Hot) Side Intercooler pipe for the 2017-2019 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 HD ...

WCFab 3" High Flow Driver (Hot) Side Intercooler pipe for the 2017-2019 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 HD ...

The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, ...

The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, ...

The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, ...

The WCFab 2017-2019 L5P Duramax 2500 / 3500 & 2019+ L5D Duramax 4500 / 5500 / 6500 Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant ...

The WCFab 2017-2019 L5P Duramax 2500 / 3500 & 2019+ L5D Duramax 4500 / 5500 / 6500 Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant ...

The WCFab 2017-2019 L5P Duramax 2500 / 3500 & 2019+ L5D Duramax 4500 / 5500 / 6500 Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant ...

The WCFab 2017-2019 L5P Duramax 2500 / 3500 & 2019+ L5D Duramax 4500 / 5500 / 6500 Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant ...

The WCFab 3.5" High Flow Passenger (Cold) Side Intercooler Pipe for 2017-2019 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 35...

The WCFab 3.5" High Flow Passenger (Cold) Side Intercooler Pipe for 2017-2019 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 35...

The WCFab 3.5" High Flow Passenger (Cold) Side Intercooler Pipe for 2017-2019 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 35...

Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces ...

Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces ...

Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo s...

Increase fuel filter capacity and amount of time between filter changes on your 2017-2024 L5P Duramax by upgrading from a stock cartridge style fil...

As a direct replacement for the failure prone OEM thermostat, the Transmission Cooler Thermostat Bypass Plug can drop fluid temperature from 15-50 ...

This Billet Aluminum Beadroll Adapter Flange connects to the outlet (passenger / cold) side of the Intercooler. Adapts the OE slip/clip ring assemb...

For use on tuned 2017-2023 L5P Duramax competition trucks equipped with VGT Style Turbochargers. Easy to install blanket keeps heat inside the turb...

Wehrli 17-23 L5P 6.6L Duramax/19-23 L5D 6.6L Duramax High Flow Turbo Pedestal Kit

Replace the lightweight 16G, leak prone, 1 5/8" OEM up pipes on your 2017-2025 6.6L L5P Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3...

WCFab's 2017-2025 L5P Duramax Billet Exhaust Manifolds replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet s...