Wehrli GM Billet Heater Core Fitting Kit w/ Hose
$78.00
$75.66
WCFWCF100699
Coolant Reservoirs
Cooling
New Arrivals
High quality preformed universal 1/2" heater hose assembly with billet aluminum quick-connect fitting replaces the leak prone OEM fitting. Servicable O-ring seals inside of...
Wehrli L5P Duramax T4 Turbo Pedestal
$885.00
$858.45
WCFWCF100325
Forced Induction
Turbo Upgrade Components
Heavy Duty Fabricated Turbo Pedestal allows you to mount a T4 flange style Turbo for custom build racing applications
Wehrli L5P Duramax Thermostat Housing - WCFab Red
$205.00
$198.85
WCFWCF100188-RED
Cooling
Thermostat Housings
This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of...
Wehrli S400 Compressor Outlet O-Ring Seal
$1.99
$1.93
WCFWCF203-21
Fabrication
Forced Induction
O-Rings
Turbo Install Kits
Replacement O-Ring for S400 Compressor outlet flanges. Used with the following WCFab products: LB7 Duramax S400 Single Turbo Install Kit (WCF100489), 2004.5-2007 5.9L Cummins...
Wehrli Universal 4in Inlet Dry Air Filter (Use w/WCF Kits)
$75.00
$72.75
WCFWCF100717
Air Filters
Air Filters - Drop In
New Arrivals
Maintenance - The cleaning / replacement interval depends on your driving conditions. We recommend that you inspect your air filter every 5,000 miles by...
Wehrli Universal 5in Inlet Dry Air Filter (Use w/WCF Kits)
$75.00
$72.75
WCFWCF100719
Air Filters
Air Filters - Drop In
New Arrivals
Maintenance - The cleaning / replacement interval depends on your driving conditions. We recommend that you inspect your air filter every 5,000 miles by...
Wehrli Universal Outerwear Air Filter Cover (Use w/WCF Air Filters)
$47.00
$45.59
WCFWCF100728
Air Filters
Air Filters - Drop In
New Arrivals
Water Resistant: Filter cover Hydrophobic treatment helps repel moisture and protect against water entering the engine due to puddle splash or heavy rainstorms. Although...
Wehrli Universal T4 Exhaust Housing Heat Blanket
$140.00
$135.80
WCFWCF100731
Fabrication
Heat Shields
New Arrivals
For use on all T4 Flange style exhaust housings found on S300, S400, garrett, holset, precision turbo chargers.
Wehrli Universal T4 Spacer Plate Kit 0.5in w/Studs & Gaskets
$89.00
$86.33
WCFWCF100118
Forced Induction
New Arrivals
Turbo Upgrade Components
1/2" Thick steel Divided T4 Spacer Plate Kit, Ceramic Coated Black. Includes M10 Mounting Studs 1" long, nuts, washers, and two T4 Gaskets
Wehrli Universal T4 Spacer Plate Kit 1.5in w/Studs & Gaskets
$157.00
$152.29
WCFWCF100358
Forced Induction
Turbo Upgrade Components
1 1/2" Thick Steel Divided T4 Spacer Plate Kit, Ceramic Coated Black. Includes M10 Mounting Studs 2.75" long, nuts, washers, and two T4 Gaskets
Wehrli Universal T4 Spacer Plate Kit 1in w/Studs & Gaskets
$135.00
$130.95
WCFWCF100800
Forced Induction
New Arrivals
Turbo Upgrade Components
1" Thick Steel Divided T4 Spacer Plate Kit, Ceramic Coated Black. Includes M10 Mounting Studs 2.5" long, nuts, washers, and two T4 Gaskets
Wehrli Universal T6 Exhaust Housing Heat Blanket
$160.00
$155.20
WCFWCF100732
Fabrication
Heat Shields
New Arrivals
T6 Exhaust Housing Blanket for use with any S500, S400, GT50, GT55, Precision T6 exhaust housings.
Wehrli Universal Traction Bar 60in Long - Gloss Black
$725.00
$703.25
WCFWCF100837-GB
New Arrivals
Suspension
Suspension Arms & Components
Traction bars are a necessary upgrade when increasing the horsepower on your truck to prevent the axle from twisting which can lead to broken...
Wehrli Universal Traction Bar 68in Long - Gloss Black
$725.00
$703.25
WCFWCF100839-GB
New Arrivals
Suspension
Suspension Arms & Components
Traction bars are a necessary upgrade when increasing the horsepower on your truck to prevent the axle from twisting which can lead to broken...
Wehrli WCFab Coolant Tank Billet Cap - Black Anodized
$40.00
$38.80
WCFWCF100543
Cooling
New Arrivals
Radiator Caps
18-20PSI Replacement Coolant Tank Cap, Black Anodized. Used on WCFab Fabricated Coolant Tanks on 2001+ Duramax or 2004.5-2007 & 2010-2024 6.7L Cummins.
Wehrli WCFab X Fleece 98-18 Cummins Thermostat Housing - Bengal Red
$185.00
$179.45
WCFWCF100157-BR
Cooling
New Arrivals
Thermostat Housings
WCFab X Fleece Performance Engineering Thermostat Housing for 1998-2018 5.9L & 6.7L Cummins is a direct replacement upgrade for the unsightly OEM part. This...
