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 Upper Coolant Pipe Non 13-15 w/Dual Rads/Twin CP3: Ram 2500 / 3500 2013-2018 6.7L - Gun Metal
Wehrli
Regular price
$164.00
$159.08
Sale
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Wehrli 4in Intake Kit Gun Metal: Ram 2500/3500 2010-2012 6.7L Diesel
Wehrli
Regular price
$555.00
$538.35
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Wehrli Upper Coolant Pipe Dual Radiator Gloss Black: Ram 2500 / 3500 2013-2015 6.7L Diesel
Wehrli
Regular price
$225.00
$218.25
Sale
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Wehrli Upper Coolant Pipe Dual Radiator Bengal Red: Ram 2500 / 3500 2013-2015 6.7L Diesel
Wehrli
Regular price
$225.00
$218.25
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Wehrli Upper Coolant Pipe Dual Radiator Bengal Blue: Ram 2500 / 3500 2013-2015 6.7L Diesel
Wehrli
Regular price
$225.00
$218.25
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Wehrli Fabricated Aluminum Engine Cover Gloss White: Ram 2500/3500 2010-2024 6.7L Diesel
Wehrli
Regular price
$230.00
$223.10
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Wehrli Coolant Tank Kit WCFab Red: Ram 2500 / 3500 2013-2018 6.7L Diesel
Wehrli
Regular price
$550.00
$533.50
Sale
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Wehrli Coolant Tank Kit Gloss Black: Ram 2500 / 3500 2013-2018 6.7L Diesel
Wehrli
Regular price
$525.00
$509.25
Sale
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Wehrli Fabricated Aluminum Coolant Tank Kit Candy Red: Ram 2500 / 3500 2013-2018 6.7L Diesel
Wehrli
Regular price
$550.00
$533.50
Sale
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Wehrli Fabricated Aluminum Coolant Tank Kit Bengal Red: Ram 2500 / 3500 2013-2018 6.7L Diesel
Wehrli
Regular price
$525.00
$509.25
Sale
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Wehrli Fabricated Aluminum Radiator Cover Gloss White: Ram 2500 / 3500 2013-2018 6.7L Diesel
Wehrli
Regular price
$205.00
$198.85
Sale
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Wehrli Fabricated Aluminum Radiator Cover Bengal Red: Ram 2500 / 3500 2013-2018 6.7L Diesel
Wehrli
Regular price
$205.00
$198.85
Sale
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Wehrli Aluminum Upper Coolant Pipe Red: Ram 2500 / 3500 2013-2018 6.7L Diesel
Wehrli
Regular price
$189.00
$183.33
Sale
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Wehrli Aluminum Upper Coolant Pipe Gloss White: Ram 2500 / 3500 2013-2018 6.7L Diesel
Wehrli
Regular price
$164.00
$159.08
Sale
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Wehrli Aluminum Upper Coolant Pipe Gloss Black: Ram 2500 / 3500 2013-2018 6.7L Diesel
Wehrli
Regular price
$164.00
$159.08
Sale
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Wehrli Aluminum Upper Coolant Pipe Candy Red: Ram 2500 / 3500 2013-2018 6.7L Diesel
Wehrli
Regular price
$189.00
$183.33
Sale
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Wehrli Aluminum Upper Coolant Pipe Bengal Red: Ram 2500 / 3500 2013-2018 6.7L Diesel
Wehrli
Regular price
$164.00
$159.08
Sale
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Wehrli Stage 1 Hi-Perf Bundle Kit Candy Teal: Ram 2500/3500 2010-2012 6.7L Diesel
Wehrli
Regular price
$595.00
$577.15
Sale
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Wehrli Brake Reservoir Cover Red: Dodge Ram 2500/3500 2006-2024 5.9L/6.7L Diesel
Wehrli
Regular price
$190.00
$184.30
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Wehrli Fabricated Aluminum Brake Master Cylinder Cover Candy Red: Ram 2500/3500 2006-2024 5.9L/6.7L Diesel
Wehrli
Regular price
$190.00
$184.30
Sale
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Wehrli Fabricated Aluminum Brake Master Cylinder Reservoir Cover Bengal Red: Ram 2500/3500 2006-2024 5.9L/6.7L Diesel
Wehrli
Regular price
$165.00
$160.05
Sale
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Wehrli WCFab X Fleece Thermostat Housing Gloss Black: Dodge Ram 2500/3500 1998-2018 5.9L/6.7L Diesel
Wehrli
Regular price
$185.00
$179.45
Sale
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Wehrli WCFab X Fleece Thermostat Housing Bengal Red: Dodge Ram 2500/3500 1998-2018 5.9L/6.7L Diesel
Wehrli
Regular price
$185.00
$179.45
Sale
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Wehrli Grey Rear Diff Cover (REAR): Fits Most Dodge/Ram 6.7L Diesel/5.9L Diesel (03-18)
Wehrli
Regular price
$414.00
$401.58
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Wehrli Gloss Black Rear Diff Cover: Fits Most Dodge/Ram 6.7L Diesel/5.9L Diesel (03-18)
Wehrli
Regular price
$389.00
$377.33
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Wehrli 3.5in Intercooler Pipes Kit: Ram 2500 / 3500 13-18 6.7L Diesel w/ WCFab Red
Wehrli
Regular price
$619.00
$600.43
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Wehrli Rear Differential Cover (REAR): Ram 2500 / 3500 19-24 6.7L Diesel/6.4L w/ Grey
Wehrli
Regular price
$414.00
$401.58
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Wehrli Gloss White Rear Differential Cover: Ram 2500 / 3500 19-24 6.7L Diesel/6.4L
Wehrli
Regular price
$389.00
$377.33
Sale
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Wehrli Red Rear Differential Cover: Ram 2500 / 3500 19-24 6.7L Diesel/6.4L
Wehrli
Regular price
$414.00
$401.58
Sale
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Wehrli Coolant Tank Kit OEM Placement: Ram 2500/3500 2019-2024 6.7L Diesel - WCFab Grey
Wehrli
Regular price
$565.00
$548.05
Sale
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Wehrli Coolant Tank Kit OEM Placement: Ram 2500/3500 2019-2024 6.7L Diesel - Gloss Black
Wehrli
Regular price
$540.00
$523.80
Sale
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Wehrli Upper Coolant Pipe: Ram 2500/3500 2019-2024 6.7L Diesel w/ OEM Radiator - Kiwi Green
Wehrli
Regular price
$164.00
$159.08
Sale
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Wehrli Brake Master Cylinder Reservoir Cover Illusion Blueberry: Dodge Ram 2500/3500 2006-2024 5.9L/6.7L Diesel
Wehrli
Regular price
$190.00
$184.30
Sale
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Wehrli WCFab X Fleece Thermostat Housing: Ram 2500 / 3500 2019-2024 6.7L Diesel - Gloss White
Wehrli
Regular price
$185.00
$179.45
Sale
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Wehrli WCFab X Fleece Thermostat Housing: Ram 2500 / 3500 2019-2024 6.7L Diesel - WCFab Grey
Wehrli
Regular price
$205.00
$198.85
Sale
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Wehrli WCFab X Fleece Thermostat Housing: Ram 2500 / 3500 2019-2024 6.7L Diesel - Gloss Black
Wehrli
Regular price
$185.00
$179.45
Sale
- Unit price
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Wehrli WCFab X Fleece Thermostat Housing: Ram 2500 / 3500 2019-2024 6.7L Diesel - Flat Black
Wehrli
Regular price
$185.00
$179.45
Sale
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Wehrli Upper Coolant Pipe Dual Radiator: Ram 2500 / 3500 2013-2015 6.7L Diesel - Sparkle Granny Smith
Wehrli
Regular price
$250.00
$242.50
Sale
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Wehrli WCFab X Fleece Thermostat Housing Bengal Red: Ram 2500 / 3500 2019-2024 6.7L Diesel
Wehrli
Regular price
$185.00
$179.45
Sale
- Unit price
- /per
Wehrli Upper Coolant Pipe Dual Radiator: Ram 2500 / 3500 2013-2015 6.7L Diesel Semi Gloss Black
Wehrli
Regular price
$225.00
$218.25
Sale
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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.