Wehrli Custom Fab

Wehrli Custom Fab

Boost your diesel truck's overall power and reliability with Wehrli Custom Fab. Specializing in both performance and bulletproofing parts, Wehrli is your go-to source for Duramax, Powerstroke, and Cummins HD trucks. Their impressive lineup of cold air intakes, wiring kits, adapter flanges, bolt kits, grilles, and more, ensures you can handle big power with ease. What sets Wehrli apart is their dedication to quality and innovation, providing everything you need to maximize your diesel truck's performance and durability. 

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Wehrli 100189 Billet Crankcase PCV Vent Fitting Kit | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100189 Billet Crankcase PCV Vent Fitting Kit | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100189 Billet Crankcase PCV Vent Fitting Kit | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100189
Price
$44.62
Wehrli 100699 Billet Heater Core Fitting with Hose | Universal
Wehrli 100699 Billet Heater Core Fitting with Hose | Universal

Wehrli Custom Fab

Wehrli 100699 Billet Heater Core Fitting with Hose | Universal

SKU: WCF100699
Price
$73.72
Wehrli 100268 L5P OEM Placement Coolant Tank Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100268 L5P OEM Placement Coolant Tank Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100268 L5P OEM Placement Coolant Tank Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100268-GB
Price
From $509.25
Wehrli 100258 Billet Aluminum Brake Master Cylinder Cap Black Anodized | 1998.5-2024 Dodge RAM 2500/3500 5.9L/6.7L Cummins
Wehrli 100258 Billet Aluminum Brake Master Cylinder Cap Black Anodized | 1998.5-2024 Dodge RAM 2500/3500 5.9L/6.7L Cummins

Wehrli Custom Fab

Wehrli 100258 Billet Aluminum Brake Master Cylinder Cap Black Anodized | 1998.5-2024 Dodge RAM 2500/3500 5.9L/6.7L Cummins

SKU: WCF100258
Price
$34.92
Wehrli 100346 4 inch Cold Air Intake Dry Filter Kit | 2003-2007 Dodge 2500/3500 5.9L Cummins
Wehrli 100346 4 inch Cold Air Intake Dry Filter Kit | 2003-2007 Dodge 2500/3500 5.9L Cummins

Wehrli Custom Fab

Wehrli 100346 4 inch Cold Air Intake Dry Filter Kit | 2003-2007 Dodge 2500/3500 5.9L Cummins

SKU: WCF100346-GB
Price
From $402.55
Wehrli 100276 FASS Lift Pump Relocation Bracket | 2017-2023 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100276 FASS Lift Pump Relocation Bracket | 2017-2023 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100276 FASS Lift Pump Relocation Bracket | 2017-2023 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100276
Price
$60.14
Wehrli 100444 3/4 inch Bumper Spacer Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
Wehrli 100444 3/4 inch Bumper Spacer Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

Wehrli Custom Fab

Wehrli 100444 3/4 inch Bumper Spacer Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: WCF100444
Price
$193.03
Wehrli 100121 3 inch V-Band Style Down Pipe | 2011-2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Wehrli 100121 3 inch V-Band Style Down Pipe | 2011-2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Wehrli Custom Fab

Wehrli 100121 3 inch V-Band Style Down Pipe | 2011-2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

SKU: WCF100121
Price
$222.13
Wehrli 100453 3/8 inch Bumper Spacer Kit | 2015-2019 GM Silverado/Sierra 2500HD/3500HD
Wehrli 100453 3/8 inch Bumper Spacer Kit | 2015-2019 GM Silverado/Sierra 2500HD/3500HD

Wehrli Custom Fab

Wehrli 100453 3/8 inch Bumper Spacer Kit | 2015-2019 GM Silverado/Sierra 2500HD/3500HD

SKU: WCF100453
Price
$179.45
Wehrli 100652 2 inch Stainless Driver Up Pipe with Gaskets (Single or Twin Turbo) | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100652 2 inch Stainless Driver Up Pipe with Gaskets (Single or Twin Turbo) | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100652 2 inch Stainless Driver Up Pipe with Gaskets (Single or Twin Turbo) | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100652
Price
$324.95
Wehrli 100624 Stainless Up Pipe Kit with Gaskets 2 inch | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100624 Stainless Up Pipe Kit with Gaskets 2 inch | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

Wehrli Custom Fab

Wehrli 100624 Stainless Up Pipe Kit with Gaskets 2 inch | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

SKU: WCF100624
Price
$668.33
Wehrli 100361 Fuel Filter Housing | 2020-2024 GM 6.6L Duramax Long Bed / 2017-2019 Short Bed
Wehrli 100361 Fuel Filter Housing | 2020-2024 GM 6.6L Duramax Long Bed / 2017-2019 Short Bed

Wehrli Custom Fab

Wehrli 100361 Fuel Filter Housing | 2020-2024 GM 6.6L Duramax Long Bed / 2017-2019 Short Bed

SKU: WCF100361
Price
$237.65
Wehrli 100215 Billet Brake Reservoir Cap - Clear Anodized | 1999-2025 GM Silverado/Sierra 2500HD/3500HD
Wehrli 100215 Billet Brake Reservoir Cap - Clear Anodized | 1999-2025 GM Silverado/Sierra 2500HD/3500HD

Wehrli Custom Fab

Wehrli 100215 Billet Brake Reservoir Cap - Clear Anodized | 1999-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: WCF100215
Price
$42.68
Wehrli 100397 S400 Single Turbo Oil Line Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100397 S400 Single Turbo Oil Line Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100397 S400 Single Turbo Oil Line Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100397
Price
$280.33
Wehrli 100323 Stage 1 High Flow Intake Bundle Kit | 2006-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LBZ
Wehrli 100323 Stage 1 High Flow Intake Bundle Kit | 2006-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LBZ

Wehrli Custom Fab

Wehrli 100323 Stage 1 High Flow Intake Bundle Kit | 2006-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LBZ

SKU: WCF100323-GB
Price
From $1,580.13
Wehrli 100260 CP3 Conversion Kit with out Pump | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Wehrli 100260 CP3 Conversion Kit with out Pump | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Wehrli Custom Fab

Wehrli 100260 CP3 Conversion Kit with out Pump | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

SKU: WCF100260
Price
$751.75
Wehrli 100732 T4 Turbo Housing Heat Blanket | Universal
Wehrli 100732 T4 Turbo Housing Heat Blanket | Universal

Wehrli Custom Fab

Wehrli 100732 T4 Turbo Housing Heat Blanket | Universal

SKU: WCF100732
Price
$150.35
Wehrli 100731 T4 Turbo Housing Heat Blanket | Universal
Wehrli 100731 T4 Turbo Housing Heat Blanket | Universal

Wehrli Custom Fab

Wehrli 100731 T4 Turbo Housing Heat Blanket | Universal

SKU: WCF100731
Price
$130.95
Wehrli 100702 4 inch Cold Air Intake Kit with Air Box | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100702 4 inch Cold Air Intake Kit with Air Box | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

Wehrli Custom Fab

Wehrli 100702 4 inch Cold Air Intake Kit with Air Box | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

SKU: WCF100702-GB
Price
From $610.13
Wehrli 100678 Upper Coolant Pipe | 2003-2009 Dodge Ram 2500/3500 5.9L Cummins
Wehrli 100678 Upper Coolant Pipe | 2003-2009 Dodge Ram 2500/3500 5.9L Cummins

Wehrli Custom Fab

Wehrli 100678 Upper Coolant Pipe | 2003-2009 Dodge Ram 2500/3500 5.9L Cummins

SKU: WCF100678-GB
Price
From $151.32
Wehrli 100647 OEM Placement Coolant Tank Kit | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Wehrli 100647 OEM Placement Coolant Tank Kit | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Wehrli Custom Fab

Wehrli 100647 OEM Placement Coolant Tank Kit | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

SKU: WCF100647-GB
Price
From $458.81
Wehrli 100541 Upper Coolant Pipe Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100541 Upper Coolant Pipe Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

Wehrli Custom Fab

Wehrli 100541 Upper Coolant Pipe Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

SKU: WCF100541-GB
Price
From $162.96
Wehrli 100420 Billet Top Outlet Thermostat Housing & Upper Coolant Pipe Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100420 Billet Top Outlet Thermostat Housing & Upper Coolant Pipe Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100420 Billet Top Outlet Thermostat Housing & Upper Coolant Pipe Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100420-GB
Price
From $459.78
Wehrli 100412 Cast Intake Horn | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100412 Cast Intake Horn | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100412 Cast Intake Horn | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100412-GB
Price
From $377.33

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