Wehrli 17-19 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - Gloss White
$160.00
$151.32
WCFWCF100742-GW
Best Sellers
Cooling
In Stock Products
Radiator Hoses
Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - WCFab Red
$185.00
$175.57
WCFWCF100742-RED
Best Sellers
Cooling
In Stock Products
Radiator Hoses
Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the...
Wehrli 17-19 Chevrolet L5P Duramax High Flow Intake Bundle Kit - Gloss White
$635.00
$596.55
WCFWCF100718-GW
Air and Fuel Delivery
Air Intake Systems
Best Sellers
Cold Air Intakes
Engine and Engine Parts
In Stock Products
Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up....
Wehrli 17-19 Duramax L5P / 20-24 L5P Duramax Long Bed Fuel Filter Housing Kit
$255.00
$237.65
WCFWCF100361
Air and Fuel Delivery
Best Sellers
Fuel Delivery
Fuel Filters
In Stock Products
Increase fuel filter capacity and amount of time between filter changes on your 2017-2024 L5P Duramax by upgrading from a stock cartridge style filter...
Wehrli 17-19 L5P Duramax Billet Anodized Transmission Cooler Thermostat Bypass Plug
$61.00
$57.23
WCFWCF100469
Best Sellers
Cooling
Engine and Engine Parts
Thermostat Housings
Transmission and Drivetrain
As a direct replacement for the failure prone OEM thermostat, the Transmission Cooler Thermostat Bypass Plug can drop fluid temperature from 15-50 degrees F...
Wehrli 17-23 GM 6.6L L5P Duramax VGT Exhaust Housing Heat Blanket
$159.00
$148.41
WCFWCF100822
Best Sellers
Fabrication
Heat Shields
In Stock Products
For use on tuned 2017-2023 L5P Duramax competition trucks equipped with VGT Style Turbochargers.This Part Fits: Year Make Model Submodel 2021-2023 Chevrolet Silverado 2500...
Wehrli 17-24 Chevrolet 6.6L L5P Duramax 2in Stainless Up Pipe Kit w/Gaskets
$705.00
$668.33
WCFWCF100624
Best Sellers
Connecting Pipes
Exhaust, Mufflers & Tips
In Stock Products
Replace the lightweight 16G, leak prone, 1 5/8" OEM up pipes on your 2017-2025 6.6L L5P Duramax equipped Chevrolet Silverado or GMC Sierra 2500...
Wehrli 17-24 Chevrolet Duramax Billet Exhaust Manifold & Stainless Up Pipe Kit w/ Gaskets & Hardware
$2,225.00
$2,094.23
WCFWCF100226
Best Sellers
Exhaust, Mufflers & Tips
Headers & Manifolds
In Stock Products
WCFab's 2017-2025 L5P Duramax Billet Exhaust Manifolds replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components. These manifolds are exhaust...
Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax 3.5in Down Pipe
$345.00
$324.95
WCFWCF100129
Best Sellers
Downpipes
Exhaust, Mufflers & Tips
In Stock Products
Replace the restrictive crushed factory down pipe on your 2017-2025 L5P Duramax with this 3.5" Down Pipe for improved exhaust flow. Connects to the...
Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax Up Pipe Bolt Kit
$62.00
$58.20
WCFWCF100199
Best Sellers
Engine and Engine Parts
Engine Components
Hardware Kits - Other
The WCFab L5P Up Pipe Bolt Kit is comprised of 12 specially selected high strength ARP fasteners and matched washers with a pack of...
Wehrli 17-24 Duramax L5P High Flow Intake Horn - Gloss Black
$269.00
$251.23
WCFWCF100775-GB
Air and Fuel Delivery
Air Intake Components
Air Intake Systems
Best Sellers
Engine and Engine Parts
In Stock Products
The WCFab L5P 4 in. High Flow Cast Aluminum Turbo Intake Horn for 2017-2024 Chevrolet Silverado or GMC 2500 / 3500 HD trucks equipped...
Wehrli 17-24 L5P Duramax Billet Exhaust Manifold Kit w/ Gaskets and ARP Hardware
$1,619.00
$1,526.78
WCFWCF100373
Best Sellers
Exhaust, Mufflers & Tips
Headers & Manifolds
In Stock Products
WCFab's 2017-2025 L5P Duramax Billet Exhaust Manifolds replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components. These manifolds are exhaust...
Wehrli 2.375in x 3in ID Straight Reducer 4.5in Long Silicone Boot and Clamp Kit
$64.00
$60.14
WCFWCF207-105
Best Sellers
Clamps
Fabrication
Contains one 2.375" x 3" ID Silicone Reducer Boot 4.5" Long with Logo, one 3" T-Bolt Clamp and one 2.375-2.5" T-Bolt Clamp.
Wehrli 20-24 Chevrolet 6.6L L5P Duramax 3.5in Intake Horn w/PCV Port - Gloss Black
$234.00
$226.98
WCFWCF100833-GB
Air and Fuel Delivery
Air Intake Components
Air Intake Systems
Best Sellers
In Stock Products
3.5 in. Turbo Intake Horn for the 2020-2024 L5P Duramax with factory style Turbo. The OEM plastic intake horn is 2.4 in. diameter and...
Wehrli 20-24 Chevrolet 6.6L L5P Duramax 4in Intake Kit - Gloss Black
$649.00
$610.13
WCFWCF100702-GB
Air and Fuel Delivery
Air Intake Systems
Best Sellers
Cold Air Intakes
Engine and Engine Parts
In Stock Products
WCFab's 4" High flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on the...
Wehrli 20-24 Chevrolet 6.6L L5P Duramax 4in Intake Kit - Gloss White
$649.00
$610.13
WCFWCF100702-GW
Air and Fuel Delivery
Air Intake Systems
Best Sellers
Cold Air Intakes
Engine and Engine Parts
In Stock Products
WCFab's 4" High flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on the...
Wehrli 20-24 Chevrolet 6.6L L5P Duramax Driver Side 3in Intercooler Pipe - Gloss Black
$345.00
$322.04
WCFWCF100365-GB
Best Sellers
Forced Induction
In Stock Products
Intercooler Pipe Kits
The 3" High Flow Driver side Intercooler pipe for the 2020-2025 L5P Duramax. Replaces the factory two piece 2 1/2" inter cooler pipe with...
Wehrli 20-24 Chevrolet 6.6L L5P Duramax Driver Side 3in Intercooler Pipe - Gloss White
$345.00
$322.04
WCFWCF100365-GW
Best Sellers
Forced Induction
In Stock Products
Intercooler Pipe Kits
The 3" High Flow Driver side Intercooler pipe for the 2020-2025 L5P Duramax. Replaces the factory two piece 2 1/2" inter cooler pipe with...
Wehrli 20-24 Chevrolet 6.6L L5P Duramax Driver Side 3in Intercooler Pipe - WCFab Red
$370.00
$358.90
WCFWCF100365-RED
Best Sellers
Forced Induction
In Stock Products
Intercooler Pipe Kits
The 3" High Flow Driver side Intercooler pipe for the 2020-2025 L5P Duramax. Replaces the factory two piece 2 1/2" inter cooler pipe with...
Wehrli 20-24 Chevrolet 6.6L L5P Duramax Passenger Side 3.5in Intercooler Pipe - Gloss Black
$385.00
$362.78
WCFWCF100381-GB
Best Sellers
Forced Induction
In Stock Products
Intercooler Pipe Kits
The 3.5" High Flow Passenger Side Intercooler Pipe for 2020 and Newer L5P Duramax replaces the factory plastic two piece pipe with a high...
Wehrli 20-24 Chevrolet 6.6L LP5 Duramax High Flow Intake Bundle Kit - Gloss White
$1,559.00
$1,469.55
WCFWCF100414-GW
Air and Fuel Delivery
Air Intake Systems
Best Sellers
Cold Air Intakes
Engine and Engine Parts
In Stock Products
The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality...
Wehrli 20-24 Chevrolet Duramax Traction Bar Install Kit
$285.00
$265.78
WCFWCF100831
Best Sellers
In Stock Products
Steering and Suspension
Suspension
Suspension Arms & Components
Built in house at WCFab our traction bar brackets bolt on to the bottom of the axle tube via the axle u-bolts and weld...
Wehrli 20-24 Duramax L5P High Flow Intake Bundle Kit - Gloss Black
$699.00
$658.63
WCFWCF100410-GB
Air and Fuel Delivery
Air Intake Systems
Best Sellers
Cold Air Intakes
Engine and Engine Parts
In Stock Products
Stage 1 upgrade for the 2020-2025 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up....
Wehrli 20-24 GM 2500/3500 HD Bumper Spacer Kit - 3/4in
$205.00
$193.03
WCFWCF100444
Best Sellers
Bumper Accessories
Bumpers, Grilles & Guards
In Stock Products
Wheels and Tires
2020-2025 Silverado and Sierra 2500HD / 3500HD CNC machined billet aluminum spacer kits from WCFab move the front bumper forward off the frame horns...
Wehrli 20-24 GM Duramax - 19-23 Ram HD Rear Differential Cover - Gloss Black
$389.00
$362.78
WCFWCF100114-GB
Best Sellers
Diff Covers
Drivetrain
In Stock Products
Transmission and Drivetrain
Fabricated Aluminum Differential Cover for Rear Axle on 2020-2025 GM Duramax / 2019-2024 Ram Cummins Trucks.Installation InstructionsThis Part Fits: Year Make Model Submodel 2020-2025...
Wehrli 20-24 GM Duramax - 19-23 Ram HD Rear Differential Cover - Grey
$414.00
$387.03
WCFWCF100114-GRY
Best Sellers
Diff Covers
Drivetrain
In Stock Products
Transmission and Drivetrain
Fabricated Aluminum Differential Cover for Rear Axle on 2020-2025 GM Duramax / 2019-2024 Ram Cummins Trucks.Installation InstructionsThis Part Fits: Year Make Model Submodel 2020-2025...
Wehrli 2017-2024 Chevrolet 6.6L L5P Duramax Intake Resonator Delete Plug - Black Anodized
$32.00
$30.07
WCFWCF100473
Aluminum Tubing
Best Sellers
Fabrication
This quick and easy to install, billet aluminum plug allows you to clean up your engine bay and get more aggressive turbo sound in...
Wehrli 2020-2024 Chevrolet 6.6L L5P Duramax 4in Intake Pipe (Use w/OEM Air Box) - Gloss Black
$235.00
$218.25
WCFWCF100720-GB
Air and Fuel Delivery
Air Intake Components
Air Intake Systems
Best Sellers
Engine and Engine Parts
In Stock Products
WCFab's 4" Intake Resonator Pipe for the Factory (VGT) Turbo on 2020-2025 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500...
Wehrli 2020-2024 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - Gloss White
$175.00
$162.96
WCFWCF100541-GW
Best Sellers
Cooling
In Stock Products
Radiator Hoses
Upper Coolant Pipe for 2020-2025 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 truck replaces the ugly OEM rubber upper...
Wehrli 5.9L Cummins IAT Sensor Aluminum Weld Bung
$33.00
$31.04
WCFWCF205-24
Air and Fuel Delivery
Best Sellers
Bungs
Engine and Engine Parts
Fabrication
These billet Intake Air Temperature (IAT) bungs for 2003-2007 5.9L Cummins engines are CNC machined from 6061-T6 aluminum in DeKalb, IL USA and ready...