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 100731 T4 Turbo Housing Heat Blanket | Universal
IN STOCK
Wehrli 100731 T4 Turbo Housing Heat Blanket | Universal
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
$135.80
Wehrli 100535 4 inch Intake Horn | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Wehrli 100535 4 inch Intake Horn | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Wehrli 100535 4 inch Intake Horn | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Wehrli Custom Fab

Wehrli 100535 4 inch Intake Horn | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

SKU: WCF100535-GB
From $173.63
Wehrli 100114 Rear Differential Cover | 2020-2026 GM Silverado/Sierra 2500HD/3500HD Duramax & 2019-2024 Ram 2500/3500
Wehrli 100114 Rear Differential Cover | 2020-2026 GM Silverado/Sierra 2500HD/3500HD Duramax & 2019-2024 Ram 2500/3500
Wehrli 100114 Rear Differential Cover | 2020-2026 GM Silverado/Sierra 2500HD/3500HD Duramax & 2019-2024 Ram 2500/3500
Wehrli 100114 Rear Differential Cover | 2020-2026 GM Silverado/Sierra 2500HD/3500HD Duramax & 2019-2024 Ram 2500/3500
Wehrli 100114 Rear Differential Cover | 2020-2026 GM Silverado/Sierra 2500HD/3500HD Duramax & 2019-2024 Ram 2500/3500

Wehrli Custom Fab

Wehrli 100114 Rear Differential Cover | 2020-2026 GM Silverado/Sierra 2500HD/3500HD Duramax & 2019-2024 Ram 2500/3500

SKU: WCF100114-GB
From $377.33
Wehrli 100444 3/4 inch Bumper Spacer Kit | 2020-2026 GM Silverado/Sierra 2500HD/3500HD
IN STOCK
Wehrli 100444 3/4 inch Bumper Spacer Kit | 2020-2026 GM Silverado/Sierra 2500HD/3500HD

Wehrli Custom Fab

Wehrli 100444 3/4 inch Bumper Spacer Kit | 2020-2026 GM Silverado/Sierra 2500HD/3500HD

SKU: WCF100444
$198.85
Wehrli 1007033 Stainless Down Pipe | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY/LBZ/LMM
IN STOCK
Wehrli 1007033 Stainless Down Pipe | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY/LBZ/LMM

Wehrli Custom Fab

Wehrli 1007033 Stainless Down Pipe | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY/LBZ/LMM

SKU: WCF100703
$247.35
Wehrli 100226 Billet Exhaust Manifold & Up Pipe Kit | 2017-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100226 Billet Exhaust Manifold & Up Pipe Kit | 2017-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100226 Billet Exhaust Manifold & Up Pipe Kit | 2017-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100226 Billet Exhaust Manifold & Up Pipe Kit | 2017-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100226 Billet Exhaust Manifold & Up Pipe Kit | 2017-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100226 Billet Exhaust Manifold & Up Pipe Kit | 2017-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100226 Billet Exhaust Manifold & Up Pipe Kit | 2017-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100226
$2,158.25
Wehrli 100718 Stage 1 High Flow Intake Bundle Kit | 2017-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100718 Stage 1 High Flow Intake Bundle Kit | 2017-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100718 Stage 1 High Flow Intake Bundle Kit | 2017-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

Wehrli Custom Fab

Wehrli 100718 Stage 1 High Flow Intake Bundle Kit | 2017-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

SKU: WCF100718-GB
From $615.95
Wehrli 100414 Stage 2 High Flow Intake Bundle Kit | 2020-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100414 Stage 2 High Flow Intake Bundle Kit | 2020-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

Wehrli Custom Fab

Wehrli 100414 Stage 2 High Flow Intake Bundle Kit | 2020-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

SKU: WCF100414-GB
From $1,512.23
Wehrli 100366 Billet Valve Cover | 2006-2024 RAM 2500/3500 5.9L/6.7L Cummins
Wehrli 100366 Billet Valve Cover | 2006-2024 RAM 2500/3500 5.9L/6.7L Cummins
Wehrli 100366 Billet Valve Cover | 2006-2024 RAM 2500/3500 5.9L/6.7L Cummins
Wehrli 100366 Billet Valve Cover | 2006-2024 RAM 2500/3500 5.9L/6.7L Cummins
Wehrli 100366 Billet Valve Cover | 2006-2024 RAM 2500/3500 5.9L/6.7L Cummins
Wehrli 100366 Billet Valve Cover | 2006-2024 RAM 2500/3500 5.9L/6.7L Cummins

Wehrli Custom Fab

Wehrli 100366 Billet Valve Cover | 2006-2024 RAM 2500/3500 5.9L/6.7L Cummins

SKU: WCF100366-GB
From $745.93
Wehrli 100365 3" inch Driver Hot Side Intercooler Pipe Kit | 2020-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100365 3" inch Driver Hot Side Intercooler Pipe Kit | 2020-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100365 3" inch Driver Hot Side Intercooler Pipe Kit | 2020-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100365 3" inch Driver Hot Side Intercooler Pipe Kit | 2020-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100365 3" inch Driver Hot Side Intercooler Pipe Kit | 2020-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100365 3" inch Driver Hot Side Intercooler Pipe Kit | 2020-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

Wehrli Custom Fab

Wehrli 100365 3" inch Driver Hot Side Intercooler Pipe Kit | 2020-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

SKU: WCF100365-GB
From $334.65
Wehrli 100258 Billet Aluminum Brake Master Cylinder Cap Black Anodized | 1998.5-2024 Dodge RAM 2500/3500 5.9L/6.7L Cummins
IN STOCK
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 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
$37.83
Wehrli 100257 Billet Aluminum Brake Master Cylinder Cap Clear Anodized | 1998.5-2024 Dodge RAM 5.9L/6.7L 2500/3500 Cummins
IN STOCK
Wehrli 100257 Billet Aluminum Brake Master Cylinder Cap Clear Anodized | 1998.5-2024 Dodge RAM 5.9L/6.7L 2500/3500 Cummins
Wehrli 100257 Billet Aluminum Brake Master Cylinder Cap Clear Anodized | 1998.5-2024 Dodge RAM 5.9L/6.7L 2500/3500 Cummins
Wehrli 100257 Billet Aluminum Brake Master Cylinder Cap Clear Anodized | 1998.5-2024 Dodge RAM 5.9L/6.7L 2500/3500 Cummins
Wehrli 100257 Billet Aluminum Brake Master Cylinder Cap Clear Anodized | 1998.5-2024 Dodge RAM 5.9L/6.7L 2500/3500 Cummins

Wehrli Custom Fab

Wehrli 100257 Billet Aluminum Brake Master Cylinder Cap Clear Anodized | 1998.5-2024 Dodge RAM 5.9L/6.7L 2500/3500 Cummins

SKU: WCF100257
$37.83
Wehrli 100353 3" inch Intercooler Pipe - Hot/Driver's Side | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Wehrli 100353 3" inch Intercooler Pipe - Hot/Driver's Side | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Wehrli Custom Fab

Wehrli 100353 3" inch Intercooler Pipe - Hot/Driver's Side | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

SKU: WCF100353-GB
From $305.55
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 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
From $416.13
Wehrli 100842 Traction Bar Installation Kit | Ford/Dodge/Universal
Wehrli 100842 Traction Bar Installation Kit | Ford/Dodge/Universal

Wehrli Custom Fab

Wehrli 100842 Traction Bar Installation Kit | Ford/Dodge/Universal

SKU: WCF100842
$125.13
Wehrli 100624 Stainless Up Pipe Kit with Gaskets 2" inch | 2017-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
IN STOCK
Wehrli 100624 Stainless Up Pipe Kit with Gaskets 2" inch | 2017-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100624 Stainless Up Pipe Kit with Gaskets 2" inch | 2017-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100624 Stainless Up Pipe Kit with Gaskets 2" inch | 2017-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100624 Stainless Up Pipe Kit with Gaskets 2" inch | 2017-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

Wehrli Custom Fab

Wehrli 100624 Stainless Up Pipe Kit with Gaskets 2" inch | 2017-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

SKU: WCF100624
$683.85
Wehrli 100189 Billet Crankcase PCV Vent Fitting Kit | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
IN STOCK
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 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
$46.08
Wehrli 100251 High Output (HO) Upper Coolant Pipe | 2019-2026 RAM 2500/3500 6.7L Cummins
Wehrli 100251 High Output (HO) Upper Coolant Pipe | 2019-2026 RAM 2500/3500 6.7L Cummins
Wehrli 100251 High Output (HO) Upper Coolant Pipe | 2019-2026 RAM 2500/3500 6.7L Cummins

Wehrli Custom Fab

Wehrli 100251 High Output (HO) Upper Coolant Pipe | 2019-2026 RAM 2500/3500 6.7L Cummins

SKU: WCF100251-GRY
From $160.05
Wehrli 100132 X PPE High-Capacity Aluminum Engine Oil Pan | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Wehrli 100132 X PPE High-Capacity Aluminum Engine Oil Pan | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Wehrli 100132 X PPE High-Capacity Aluminum Engine Oil Pan | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Wehrli 100132 X PPE High-Capacity Aluminum Engine Oil Pan | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Wehrli 100132 X PPE High-Capacity Aluminum Engine Oil Pan | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Wehrli Custom Fab

Wehrli 100132 X PPE High-Capacity Aluminum Engine Oil Pan | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

SKU: WCF100132-GB
From $396.73
Wehrli 100699 Billet Heater Core Fitting with Hose | Universal
IN STOCK
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
$75.66
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 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 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
From $1,628.63
Wehrli 100193 4 inch Cold Air Intake Kit with Air Box | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Wehrli 100193 4 inch Cold Air Intake Kit with Air Box | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Wehrli 100193 4 inch Cold Air Intake Kit with Air Box | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Wehrli 100193 4 inch Cold Air Intake Kit with Air Box | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Wehrli 100193 4 inch Cold Air Intake Kit with Air Box | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Wehrli Custom Fab

Wehrli 100193 4 inch Cold Air Intake Kit with Air Box | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: WCF100193-GB
From $528.65
Wehrli 100867 Upper Coolant Pipe Kit for Dual Radiator Setup | 2013-2015 Dodge Ram 2500/3500 6.7L Cummins
Wehrli 100867 Upper Coolant Pipe Kit for Dual Radiator Setup | 2013-2015 Dodge Ram 2500/3500 6.7L Cummins
Wehrli 100867 Upper Coolant Pipe Kit for Dual Radiator Setup | 2013-2015 Dodge Ram 2500/3500 6.7L Cummins
Wehrli 100867 Upper Coolant Pipe Kit for Dual Radiator Setup | 2013-2015 Dodge Ram 2500/3500 6.7L Cummins
Wehrli 100867 Upper Coolant Pipe Kit for Dual Radiator Setup | 2013-2015 Dodge Ram 2500/3500 6.7L Cummins

Wehrli Custom Fab

Wehrli 100867 Upper Coolant Pipe Kit for Dual Radiator Setup | 2013-2015 Dodge Ram 2500/3500 6.7L Cummins

SKU: WCF100867-GB
From $218.25
Wehrli 100862 Traction Bar Bracket & Hardware Kit | 2014-2018 GM Silverado/Sierra 1500
Wehrli 100862 Traction Bar Bracket & Hardware Kit | 2014-2018 GM Silverado/Sierra 1500

Wehrli Custom Fab

Wehrli 100862 Traction Bar Bracket & Hardware Kit | 2014-2018 GM Silverado/Sierra 1500

SKU: WCF100862
$338.53

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