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 100840 Traction Bar Installation Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100840 Traction Bar Installation Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100840 Traction Bar Installation Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100840
$265.78
Wehrli 100120 3 inch Down Pipe | 2004.5-2010 Duramax LLY/LBZ/LMM
Wehrli 100120 3 inch Down Pipe | 2004.5-2010 Duramax LLY/LBZ/LMM

Wehrli Custom Fab

Wehrli 100120 3 inch Down Pipe | 2004.5-2010 Duramax LLY/LBZ/LMM

SKU: WCF100120
$189.15
Wehrli 100113 Rear AAM 11.5 Differential Cover | 2001-2019 GM 6.6L Duramax 2500HD/3500HD & 2003-2019 Dodge Ram 5.9L/6.7L Cummins
Wehrli 100113 Rear AAM 11.5 Differential Cover | 2001-2019 GM 6.6L Duramax 2500HD/3500HD & 2003-2019 Dodge Ram 5.9L/6.7L Cummins
Wehrli 100113 Rear AAM 11.5 Differential Cover | 2001-2019 GM 6.6L Duramax 2500HD/3500HD & 2003-2019 Dodge Ram 5.9L/6.7L Cummins

Wehrli Custom Fab

Wehrli 100113 Rear AAM 11.5 Differential Cover | 2001-2019 GM 6.6L Duramax 2500HD/3500HD & 2003-2019 Dodge Ram 5.9L/6.7L Cummins

SKU: WCF100113-GB
From $343.38
Wehrli 100590 Up Pipe Kit with Gaskets 2 inch Stainless | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Wehrli 100590 Up Pipe Kit with Gaskets 2 inch Stainless | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Wehrli Custom Fab

Wehrli 100590 Up Pipe Kit with Gaskets 2 inch Stainless | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

SKU: WCF100590
$606.25
Wehrli 100023 Relief Valve Block Off Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Wehrli 100023 Relief Valve Block Off Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Wehrli 100023 Relief Valve Block Off Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Wehrli Custom Fab

Wehrli 100023 Relief Valve Block Off Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

SKU: WCF100023
$69.84
Wehrli 100216 Billet Brake Reservoir Cap - Black Anodized | 1999-2025 GM Silverado/Sierra 2500HD/3500HD
Wehrli 100216 Billet Brake Reservoir Cap - Black Anodized | 1999-2025 GM Silverado/Sierra 2500HD/3500HD

Wehrli Custom Fab

Wehrli 100216 Billet Brake Reservoir Cap - Black Anodized | 1999-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: WCF100216
$42.68
Wehrli 100094 Twin CP3 Controller | 2006-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LBZ/LMM/LML
Wehrli 100094 Twin CP3 Controller | 2006-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LBZ/LMM/LML

Wehrli Custom Fab

Wehrli 100094 Twin CP3 Controller | 2006-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LBZ/LMM/LML

SKU: WCF100094
$241.53
Wehrli 100292 Stage 1 High-Flow Intake Bundle Kit | 2019-2024 RAM 2500/3500 6.7L Cummins
Wehrli 100292 Stage 1 High-Flow Intake Bundle Kit | 2019-2024 RAM 2500/3500 6.7L Cummins

Wehrli Custom Fab

Wehrli 100292 Stage 1 High-Flow Intake Bundle Kit | 2019-2024 RAM 2500/3500 6.7L Cummins

SKU: WCF100292-GB
From $532.53
Wehrli 100730 Aluminum Engine Cover | 2010-2024 RAM 2500/3500 6.7L Cummins
Wehrli 100730 Aluminum Engine Cover | 2010-2024 RAM 2500/3500 6.7L Cummins
Wehrli 100730 Aluminum Engine Cover | 2010-2024 RAM 2500/3500 6.7L Cummins
Wehrli 100730 Aluminum Engine Cover | 2010-2024 RAM 2500/3500 6.7L Cummins
Wehrli 100730 Aluminum Engine Cover | 2010-2024 RAM 2500/3500 6.7L Cummins

Wehrli Custom Fab

Wehrli 100730 Aluminum Engine Cover | 2010-2024 RAM 2500/3500 6.7L Cummins

SKU: WCF100730-GB
From $212.43
Wehrli 100134 PPE High-Capacity Aluminum Engine Oil Pan | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100134 PPE High-Capacity Aluminum Engine Oil Pan | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100134 PPE High-Capacity Aluminum Engine Oil Pan | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100134 PPE High-Capacity Aluminum Engine Oil Pan | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100134 PPE High-Capacity Aluminum Engine Oil Pan | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100134 PPE High-Capacity Aluminum Engine Oil Pan | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100134 PPE High-Capacity Aluminum Engine Oil Pan | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100134-GB
From $493.73
Wehrli 100133 X PPE High-Capacity Aluminum Engine Oil Pan | 2017-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100133 X PPE High-Capacity Aluminum Engine Oil Pan | 2017-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100133 X PPE High-Capacity Aluminum Engine Oil Pan | 2017-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100133 X PPE High-Capacity Aluminum Engine Oil Pan | 2017-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100133 X PPE High-Capacity Aluminum Engine Oil Pan | 2017-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

Wehrli Custom Fab

Wehrli 100133 X PPE High-Capacity Aluminum Engine Oil Pan | 2017-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

SKU: WCF100133-GB
From $484.03
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 100131 X PPE High-Capacity Aluminum Oil Pan | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100131 X PPE High-Capacity Aluminum Oil Pan | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100131 X PPE High-Capacity Aluminum Oil Pan | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100131 X PPE High-Capacity Aluminum Oil Pan | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100131 X PPE High-Capacity Aluminum Oil Pan | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100131 X PPE High-Capacity Aluminum Oil Pan | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100131-GB
From $367.63
Wehrli 100284 OEM Replacement Coolant Tank Kit | 2019-2024 RAM 2500/3500 6.7L Cummins
Wehrli 100284 OEM Replacement Coolant Tank Kit | 2019-2024 RAM 2500/3500 6.7L Cummins
Wehrli 100284 OEM Replacement Coolant Tank Kit | 2019-2024 RAM 2500/3500 6.7L Cummins
Wehrli 100284 OEM Replacement Coolant Tank Kit | 2019-2024 RAM 2500/3500 6.7L Cummins
Wehrli 100284 OEM Replacement Coolant Tank Kit | 2019-2024 RAM 2500/3500 6.7L Cummins

Wehrli Custom Fab

Wehrli 100284 OEM Replacement Coolant Tank Kit | 2019-2024 RAM 2500/3500 6.7L Cummins

SKU: WCF100284-GB
From $509.25
Wehrli 100409 Stage 1 High Flow Intake Bundle Kit | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Wehrli 100409 Stage 1 High Flow Intake Bundle Kit | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Wehrli 100409 Stage 1 High Flow Intake Bundle Kit | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Wehrli 100409 Stage 1 High Flow Intake Bundle Kit | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Wehrli Custom Fab

Wehrli 100409 Stage 1 High Flow Intake Bundle Kit | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

SKU: WCF100409-GB
From $1,007.83
Wehrli 100226 Billet Exhaust Manifold & Up Pipe Kit | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100226 Billet Exhaust Manifold & Up Pipe Kit | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100226 Billet Exhaust Manifold & Up Pipe Kit | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100226 Billet Exhaust Manifold & Up Pipe Kit | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100226 Billet Exhaust Manifold & Up Pipe Kit | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100226 Billet Exhaust Manifold & Up Pipe Kit | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100226 Billet Exhaust Manifold & Up Pipe Kit | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100226
$2,094.23
04.5-07 Dodge 5.9L Cummins Wehrli OEM Replacement Coolant Tank Kit
04.5-07 Dodge 5.9L Cummins Wehrli OEM Replacement Coolant Tank Kit
04.5-07 Dodge 5.9L Cummins Wehrli OEM Replacement Coolant Tank Kit
04.5-07 Dodge 5.9L Cummins Wehrli OEM Replacement Coolant Tank Kit
04.5-07 Dodge 5.9L Cummins Wehrli OEM Replacement Coolant Tank Kit

Wehrli Custom Fab

04.5-07 Dodge 5.9L Cummins Wehrli OEM Replacement Coolant Tank Kit

SKU: WCF100542--GB
From $396.73
Wehrli 100324 Stage 1 High Flow Intake Bundle Kit | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Wehrli 100324 Stage 1 High Flow Intake Bundle Kit | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Wehrli 100324 Stage 1 High Flow Intake Bundle Kit | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Wehrli 100324 Stage 1 High Flow Intake Bundle Kit | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Wehrli Custom Fab

Wehrli 100324 Stage 1 High Flow Intake Bundle Kit | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: WCF100324-GB
From $1,580.13
Wehrli 100041-FB Billet TIG Torch Stubby Antenna | 2007.5-2019 GM Silverado/Sierra 2500HD/3500HD
Wehrli 100041-FB Billet TIG Torch Stubby Antenna | 2007.5-2019 GM Silverado/Sierra 2500HD/3500HD
Wehrli 100041-FB Billet TIG Torch Stubby Antenna | 2007.5-2019 GM Silverado/Sierra 2500HD/3500HD
Wehrli 100041-FB Billet TIG Torch Stubby Antenna | 2007.5-2019 GM Silverado/Sierra 2500HD/3500HD
Wehrli 100041-FB Billet TIG Torch Stubby Antenna | 2007.5-2019 GM Silverado/Sierra 2500HD/3500HD

Wehrli Custom Fab

Wehrli 100041-FB Billet TIG Torch Stubby Antenna | 2007.5-2019 GM Silverado/Sierra 2500HD/3500HD

SKU: WCF100041-FB-GB
From $59.17
Wehrli 100435 Stage 2 High Flow Intake Bundle Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Wehrli 100435 Stage 2 High Flow Intake Bundle Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Wehrli 100435 Stage 2 High Flow Intake Bundle Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Wehrli 100435 Stage 2 High Flow Intake Bundle Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Wehrli 100435 Stage 2 High Flow Intake Bundle Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Wehrli Custom Fab

Wehrli 100435 Stage 2 High Flow Intake Bundle Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

SKU: WCF100435
$1,663.55
Wehrli 100405 Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit | 2001-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100405 Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit | 2001-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100405 Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit | 2001-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100405 Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit | 2001-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100405 Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit | 2001-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100405 Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit | 2001-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100405
$445.23
Wehrli 100853 68 inch Traction Bar Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax ECLB/CCLB
Wehrli 100853 68 inch Traction Bar Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax ECLB/CCLB
Wehrli 100853 68 inch Traction Bar Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax ECLB/CCLB
Wehrli 100853 68 inch Traction Bar Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax ECLB/CCLB
Wehrli 100853 68 inch Traction Bar Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax ECLB/CCLB

Wehrli Custom Fab

Wehrli 100853 68 inch Traction Bar Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax ECLB/CCLB

SKU: WCF100853-GB
From $959.33
Wehrli 100851 60 inch Traction Bar Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax RCLB/CCSB/ECSB
Wehrli 100851 60 inch Traction Bar Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax RCLB/CCSB/ECSB
Wehrli 100851 60 inch Traction Bar Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax RCLB/CCSB/ECSB
Wehrli 100851 60 inch Traction Bar Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax RCLB/CCSB/ECSB
Wehrli 100851 60 inch Traction Bar Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax RCLB/CCSB/ECSB

Wehrli Custom Fab

Wehrli 100851 60 inch Traction Bar Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax RCLB/CCSB/ECSB

SKU: WCF100851-GB
From $959.33
Wehrli 100852 68 inch Traction Bar Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax ECLB/CCLB
Wehrli 100852 68 inch Traction Bar Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax ECLB/CCLB
Wehrli 100852 68 inch Traction Bar Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax ECLB/CCLB
Wehrli 100852 68 inch Traction Bar Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax ECLB/CCLB

Wehrli Custom Fab

Wehrli 100852 68 inch Traction Bar Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax ECLB/CCLB

SKU: WCF100852-GB
From $959.33

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