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 100135 Allison 4WD Transfer Case Brace | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Wehrli 100135 Allison 4WD Transfer Case Brace | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Wehrli 100135 Allison 4WD Transfer Case Brace | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Wehrli Custom Fab

Wehrli 100135 Allison 4WD Transfer Case Brace | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: WCF100135-GB
From $179.45
Wehrli 100158 Heavy Duty Engine Mounts | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100158 Heavy Duty Engine Mounts | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100158 Heavy Duty Engine Mounts | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100158 Heavy Duty Engine Mounts | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100158 Heavy Duty Engine Mounts | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100158 Heavy Duty Engine Mounts | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100158-GB
From $464.63
Wehrli 100646 Coolant Tank Kit | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Wehrli 100646 Coolant Tank Kit | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Wehrli 100646 Coolant Tank Kit | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Wehrli 100646 Coolant Tank Kit | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Wehrli 100646 Coolant Tank Kit | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Wehrli Custom Fab

Wehrli 100646 Coolant Tank Kit | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: WCF100646-GB
From $474.33
Wehrli 100205 Billet Brake Reservoir Cover | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100205 Billet Brake Reservoir Cover | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100205 Billet Brake Reservoir Cover | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100205 Billet Brake Reservoir Cover | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100205 Billet Brake Reservoir Cover | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100205 Billet Brake Reservoir Cover | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100205-GB
From $145.50
Wehrli 100622 Upper Coolant Pipe | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100622 Upper Coolant Pipe | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100622 Upper Coolant Pipe | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100622 Upper Coolant Pipe | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100622-GB
From $144.53
Wehrli 100721 3.5 inch Intake Horn with PCV Port | 2017-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100721 3.5 inch Intake Horn with PCV Port | 2017-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100721 3.5 inch Intake Horn with PCV Port | 2017-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

Wehrli Custom Fab

Wehrli 100721 3.5 inch Intake Horn with PCV Port | 2017-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

SKU: WCF100721-GB
From $226.98
Wehrli 100833 3.5" inch Custom Turbo Intake Horn | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100833 3.5" inch Custom Turbo Intake Horn | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100833 3.5" inch Custom Turbo Intake Horn | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100833 3.5" inch Custom Turbo Intake Horn | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100833-GB
From $226.98
Wehrli 100359 3 inch Drivers Cold Side Intercooler Pipe | 2003-2007 Dodge 2500/3500 5.9L Cummins
Wehrli 100359 3 inch Drivers Cold Side Intercooler Pipe | 2003-2007 Dodge 2500/3500 5.9L Cummins

Wehrli Custom Fab

Wehrli 100359 3 inch Drivers Cold Side Intercooler Pipe | 2003-2007 Dodge 2500/3500 5.9L Cummins

SKU: WCF100359-GB
From $213.40
Wehrli 100863 4 inch Intake Kit | 2007.5-2009 Dodge RAM 2500/3500 6.7L Cummins
IN STOCK
Wehrli 100863 4 inch Intake Kit | 2007.5-2009 Dodge RAM 2500/3500 6.7L Cummins
Wehrli 100863 4 inch Intake Kit | 2007.5-2009 Dodge RAM 2500/3500 6.7L Cummins
Wehrli 100863 4 inch Intake Kit | 2007.5-2009 Dodge RAM 2500/3500 6.7L Cummins
Wehrli 100863 4 inch Intake Kit | 2007.5-2009 Dodge RAM 2500/3500 6.7L Cummins

Wehrli Custom Fab

Wehrli 100863 4 inch Intake Kit | 2007.5-2009 Dodge RAM 2500/3500 6.7L Cummins

SKU: WCF100863-GB
From $464.63
Wehrli 100333 4 inch Intake Kit | 2003-2007 Ford F250/F350 6.0L Powerstroke
IN STOCK
Wehrli 100333 4 inch Intake Kit | 2003-2007 Ford F250/F350 6.0L Powerstroke
Wehrli 100333 4 inch Intake Kit | 2003-2007 Ford F250/F350 6.0L Powerstroke
Wehrli 100333 4 inch Intake Kit | 2003-2007 Ford F250/F350 6.0L Powerstroke
Wehrli 100333 4 inch Intake Kit | 2003-2007 Ford F250/F350 6.0L Powerstroke

Wehrli Custom Fab

Wehrli 100333 4 inch Intake Kit | 2003-2007 Ford F250/F350 6.0L Powerstroke

SKU: WCF100333-GB
From $445.23
Wehrli 100712 High Flow Intake Bundle Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Wehrli 100712 High Flow Intake Bundle Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Wehrli Custom Fab

Wehrli 100712 High Flow Intake Bundle Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

SKU: WCF100712
$1,867.25
Wehrli 100528 3.5 inch High Flow Intake & Intercooler Pipe Kit | 2003-2007 Dodge 2500/3500 5.9L Cummins
Wehrli 100528 3.5 inch High Flow Intake & Intercooler Pipe Kit | 2003-2007 Dodge 2500/3500 5.9L Cummins

Wehrli Custom Fab

Wehrli 100528 3.5 inch High Flow Intake & Intercooler Pipe Kit | 2003-2007 Dodge 2500/3500 5.9L Cummins

SKU: WCF100528-GB
From $572.30
Wehrli 100854 Traction Bar Kit | 1999-2018 Dodge/Ford Applications
Wehrli 100854 Traction Bar Kit | 1999-2018 Dodge/Ford Applications

Wehrli Custom Fab

Wehrli 100854 Traction Bar Kit | 1999-2018 Dodge/Ford Applications

SKU: WCF100854
$697.43
Wehrli 100130 Allison Transfer Case Brace | 2001-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100130 Allison Transfer Case Brace | 2001-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100130 Allison Transfer Case Brace | 2001-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100130 Allison Transfer Case Brace | 2001-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100130-GB
From $179.45
Wehrli 100446 3/8 inch Bumper Spacer Kit | 2020-2026 GM Silverado/Sierra 2500HD/3500HD
IN STOCK
Wehrli 100446 3/8 inch Bumper Spacer Kit | 2020-2026 GM Silverado/Sierra 2500HD/3500HD

Wehrli Custom Fab

Wehrli 100446 3/8 inch Bumper Spacer Kit | 2020-2026 GM Silverado/Sierra 2500HD/3500HD

SKU: WCF100446
$142.59
Wehrli 100841 Traction Bar Installation Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
IN STOCK
Wehrli 100841 Traction Bar Installation Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100841 Traction Bar Installation Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100841
$276.45
Wehrli 100831 Traction Bar Brackets & Hardware Install Kit | 2020-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
IN STOCK
Wehrli 100831 Traction Bar Brackets & Hardware Install Kit | 2020-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100831 Traction Bar Brackets & Hardware Install Kit | 2020-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

Wehrli Custom Fab

Wehrli 100831 Traction Bar Brackets & Hardware Install Kit | 2020-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

SKU: WCF100831
$276.45
Wehrli 100800 1 inch T4 Ceramic Spacer Plate Kit | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins
Wehrli 100800 1 inch T4 Ceramic Spacer Plate Kit | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins

Wehrli Custom Fab

Wehrli 100800 1 inch T4 Ceramic Spacer Plate Kit | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins

SKU: WCF100800
$130.95
Wehrli 100705 3" inch Stainless 3 Bolt Flange Style Down Pipe | 2015.5-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Wehrli 100705 3" inch Stainless 3 Bolt Flange Style Down Pipe | 2015.5-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Wehrli 100705 3" inch Stainless 3 Bolt Flange Style Down Pipe | 2015.5-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Wehrli Custom Fab

Wehrli 100705 3" inch Stainless 3 Bolt Flange Style Down Pipe | 2015.5-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

SKU: WCF100705
$348.23
Wehrli 100358 1.5 inch T4 Spacer Plate Kit | Universal
Wehrli 100358 1.5 inch T4 Spacer Plate Kit | Universal

Wehrli Custom Fab

Wehrli 100358 1.5 inch T4 Spacer Plate Kit | Universal

SKU: WCF100358
$152.29
Wehrli 100443 Black Anodized Billet Oil Fill Tube Cap | 2001-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
IN STOCK
Wehrli 100443 Black Anodized Billet Oil Fill Tube Cap | 2001-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100443 Black Anodized Billet Oil Fill Tube Cap | 2001-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100443 Black Anodized Billet Oil Fill Tube Cap | 2001-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100443 Black Anodized Billet Oil Fill Tube Cap | 2001-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100443 Black Anodized Billet Oil Fill Tube Cap | 2001-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100443
$51.41
Wehrli 100426 Valance Filler Panel Kit w/o Tow Hooks, Raw | 2015-2019 Silverado 2500HD/3500HD
Wehrli 100426 Valance Filler Panel Kit w/o Tow Hooks, Raw | 2015-2019 Silverado 2500HD/3500HD
Wehrli 100426 Valance Filler Panel Kit w/o Tow Hooks, Raw | 2015-2019 Silverado 2500HD/3500HD

Wehrli Custom Fab

Wehrli 100426 Valance Filler Panel Kit w/o Tow Hooks, Raw | 2015-2019 Silverado 2500HD/3500HD

SKU: WCF100426
$227.95
Wehrli 100589 Stainless Up Pipe Kit with Gaskets (Twin Turbo), 2in, | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Wehrli 100589 Stainless Up Pipe Kit with Gaskets (Twin Turbo), 2in, | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Wehrli 100589 Stainless Up Pipe Kit with Gaskets (Twin Turbo), 2in, | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Wehrli 100589 Stainless Up Pipe Kit with Gaskets (Twin Turbo), 2in, | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Wehrli 100589 Stainless Up Pipe Kit with Gaskets (Twin Turbo), 2in, | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Wehrli 100589 Stainless Up Pipe Kit with Gaskets (Twin Turbo), 2in, | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Wehrli Custom Fab

Wehrli 100589 Stainless Up Pipe Kit with Gaskets (Twin Turbo), 2in, | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

SKU: WCF100589
$619.83
Wehrli 100230 Rail Fitting | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100230 Rail Fitting | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100230 Rail Fitting | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100230
$61

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