Wehrli
Built for your performance needs, the Wehrli collection at FastHemis offers a range of aftermarket parts designed to improve power, response, and durability. Whether you’re upgrading your engine internals, drivetrain, or suspension, these components are engineered to support higher performance levels and reliable operation under demanding conditions.
In this category, you’ll find everything from reinforced engine components to precision drivetrain upgrades that help optimize power delivery and handling. Each product is selected to complement your build goals, whether you’re focused on strength, sound, or overall driving dynamics.
- Engine internals built for boost and reliability
- Drivetrain parts for improved power transfer
- Suspension components for better handling and stance
- Performance-enhancing upgrades tailored to your setup
Shop Wehrli parts and upgrades for your performance build at FastHemis.
Wehrli Rear Diff Cover (REAR): Dodge Ram 2500 / 3500 (03-18) w/ Bengal Blue
Wehrli
Regular price
$389.00
$377.33
3% off
- Unit price
- /per
Wehrli Grey Rear Diff Cover (REAR): Dodge Ram 2500 / 3500 (03-18)
Wehrli
Regular price
$414.00
$401.58
3% off
- Unit price
- /per
Wehrli Gloss Black Rear Diff Cover: Dodge Ram 2500 (2003-2018) / Ram 3500 (2003-2018)
Wehrli
Regular price
$389.00
$377.33
3% off
- Unit price
- /per
Wehrli Gloss White Rear Diff Cover: Dodge Ram 2500 (2003-2018) / Ram 3500 (2003-2018)
Wehrli
Regular price
$389.00
$377.33
3% off
- Unit price
- /per
Wehrli Rear Diff Cover (REAR): Dodge Ram 2500 / 3500 (03-18) w/ Red
Wehrli
Regular price
$414.00
$401.58
3% off
- Unit price
- /per
Wehrli Purple Rear Diff Cover (REAR): Dodge Ram 2500 / 3500 (03-18)
Wehrli
Regular price
$414.00
$401.58
3% off
- Unit price
- /per
Wehrli Candy Red Rear Diff Cover: Dodge Ram 2500 (03-10) / Ram 2500 / Ram 3500 (11-18)
Wehrli
Regular price
$414.00
$401.58
3% off
- Unit price
- /per
Wehrli Intercooler Pipes Kit: Ram 2500 / Ram 3500 2013-2018 w/ Illusion Blueberry
Wehrli
Regular price
$619.00
$600.43
3% off
- Unit price
- /per
Wehrli Intercooler Pipes Kit: Ram 2500 / 3500 2013-2018 w/ Grey
Wehrli
Regular price
$619.00
$600.43
3% off
- Unit price
- /per
Wehrli Gloss Black Intercooler Pipes Kit: Ram 2500 / Ram 3500 2013-2018
Wehrli
Regular price
$569.00
$551.93
3% off
- Unit price
- /per
Wehrli Intercooler Pipes Kit: Ram 2500 / Ram 3500 2013-2018 w/ Bengal Blue
Wehrli
Regular price
$569.00
$551.93
3% off
- Unit price
- /per
Wehrli Gloss White Intercooler Pipes Kit: Ram 2500 / 3500 2013-2018
Wehrli
Regular price
$569.00
$551.93
3% off
- Unit price
- /per
Wehrli 3.5in Intercooler Pipes Kit: Ram 2500 / Ram 3500 2013-2018 w/ WCFab Red
Wehrli
Regular price
$619.00
$600.43
3% off
- Unit price
- /per
Wehrli Candy Teal Rear Diff Cover (REAR): Dodge Ram 2500 / Ram 3500 (03-18)
Wehrli
Regular price
$414.00
$401.58
3% off
- Unit price
- /per
Wehrli Fine Texture Black Rear Diff Cover (REAR): Dodge Ram 2500 / Ram 3500 (03-18)
Wehrli
Regular price
$389.00
$377.33
3% off
- Unit price
- /per
Wehrli Gloss Black Rear Differential Cover: Ram 2500 / Ram 3500 (19-24)
Wehrli
Regular price
$389.00
$377.33
3% off
- Unit price
- /per
Wehrli Rear Differential Cover (REAR): Ram 2500 / 3500 2019-2024 w/ Grey
Wehrli
Regular price
$414.00
$401.58
3% off
- Unit price
- /per
Wehrli Gloss White Rear Differential Cover: Ram 2500 / Ram 3500 2019-2024
Wehrli
Regular price
$389.00
$377.33
3% off
- Unit price
- /per
Wehrli Red Rear Differential Cover: Ram 2500 / 3500 (19-24)
Wehrli
Regular price
$414.00
$401.58
3% off
- Unit price
- /per
Wehrli Rear Differential Cover: Ram 2500 / 3500 2019-2024 w/ Bengal Blue
Wehrli
Regular price
$389.00
$377.33
3% off
- Unit price
- /per
Wehrli Candy Teal Rear Differential Cover: Ram 2500 / Ram 3500 19-24
Wehrli
Regular price
$414.00
$401.58
3% off
- Unit price
- /per
Wehrli Rear Diff Cover (REAR): Dodge Ram 2500 / Ram 3500 (03-18) w/ Bengal Grey
Wehrli
Regular price
$389.00
$377.33
3% off
- Unit price
- /per
Wehrli Rear Diff Cover (REAR): Dodge Ram 2500 / 3500 (03-18) - Bengal Red
Wehrli
Regular price
$389.00
$377.33
3% off
- Unit price
- /per
Wehrli Rear Differential Cover: Dodge Ram 2500 (03-10) / Ram 2500 / Ram 3500 (11-18) w/ CAT Yellow
Wehrli
Regular price
$389.00
$377.33
3% off
- Unit price
- /per
Wehrli Powder Coated Rear Diff Cover (REAR): Dodge Ram 2500 / 3500 (03-18) w/ Chevy Orange
Wehrli
Regular price
$389.00
$377.33
3% off
- Unit price
- /per
Wehrli Rear Diff Cover (REAR): Dodge Ram 2500 / 3500 (03-18) w/ Bengal Silver
Wehrli
Regular price
$389.00
$377.33
3% off
- Unit price
- /per
Wehrli Gun Metal Rear Diff Cover: Dodge Ram 2500 (03-10) / Ram 2500 / 3500 (11-18)
Wehrli
Regular price
$389.00
$377.33
3% off
- Unit price
- /per
Wehrli Rear Diff Cover (REAR): Dodge Ram 2500 / 3500 (03-18) - Kiwi Green
Wehrli
Regular price
$389.00
$377.33
3% off
- Unit price
- /per
Wehrli Rear Diff Cover (REAR): Dodge Ram 2500 / 3500 (03-18) - Brizzle Blue
Wehrli
Regular price
$389.00
$377.33
3% off
- Unit price
- /per
Wehrli Semi-Gloss Black Rear Diff Cover: Dodge Ram 2500 (03-10) / Ram 2500 / Ram 3500 (11-18)
Wehrli
Regular price
$389.00
$377.33
3% off
- Unit price
- /per
Wehrli Flat Black Rear Differential Cover: Dodge Ram 2500 (03-10) / Ram 3500 (03-18)
Wehrli
Regular price
$389.00
$377.33
3% off
- Unit price
- /per
Wehrli Bronze Chrome Rear Diff Cover (REAR): Dodge Ram 2500 / 3500 (03-18)
Wehrli
Regular price
$414.00
$401.58
3% off
- Unit price
- /per
Wehrli Rear Diff Cover (REAR): Dodge Ram 2500 / 3500 (03-18)
Wehrli
Regular price
$414.00
$401.58
3% off
- Unit price
- /per
Wehrli Illusion Blueberry Rear Diff Cover: Dodge Ram 2500 (03-10) / Ram 2500 / Ram 3500 (11-18)
Wehrli
Regular price
$414.00
$401.58
3% off
- Unit price
- /per
Wehrli Rear Diff Cover SparkleBomberOrange: Fits Dodge Ram / Ram 2500 / 3500 (03-18)
Wehrli
Regular price
$414.00
$401.58
3% off
- Unit price
- /per
Wehrli Sparkle Copper Rear Diff Cover: Dodge Ram 2500 (03-10) / Ram 2500 / Ram 3500 (11-18)
Wehrli
Regular price
$414.00
$401.58
3% off
- Unit price
- /per
Wehrli Sparkle Granulated Smith 11.5in AAM Rear Diff Cover: Fits Dodge Ram / Ram 2500 / 3500 (03-18)
Wehrli
Regular price
$414.00
$401.58
3% off
- Unit price
- /per
Wehrli Candy Red Rear Differential Cover: Ram 2500 / 3500 2019-2024
Wehrli
Regular price
$414.00
$401.58
3% off
- Unit price
- /per
You’re viewing 1-38 of 38 products
Duramax, Cummins, and Power Stroke Diesel Performance with Wehrli Custom Fabrication
Wehrli Custom Fabrication (WCFab) specializes in high-quality diesel performance parts and metal fabrication for Duramax, Cummins, and Power Stroke trucks. Their engineered solutions focus on durability, airflow, and heat management—key factors for tow rigs and race-oriented diesel builds alike.
What makes Wehrli Custom Fabrication stand out in diesel performance?
WCFab is known for precision metal fabrication combined with truck-focused product development. Their parts are designed to handle the extreme conditions of heavy towing and high-performance racing. This focus ensures components not only improve airflow and heat dissipation but also maintain long-term durability under demanding use.
- Custom-engineered hard parts tailored for diesel platforms
- Emphasis on heat management to protect engine components
- Solutions built to withstand the rigors of towing and racing
How do I choose the right Wehrli parts for my diesel truck?
Selecting the right WCFab components depends on your truck’s engine platform—Duramax, Cummins, or Power Stroke—and your build goals. Consider whether you need upgrades for heavy towing, improved airflow for performance, or enhanced durability for racing conditions. Matching parts to your specific application ensures optimal results and reliability.
What should I expect after installing Wehrli Custom Fabrication parts?
Installing Wehrli parts typically results in improved engine efficiency through better airflow and heat control, which can translate to more consistent performance under load. Whether you’re upgrading a tow rig or building a race truck, these components help maintain engine health and reliability. Explore the full Wehrli collection at FastHemis to find parts engineered for your diesel platform and build needs.