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Limited Time Offer: Sale up to 70% off on selected items. Offer ends: 2026/1/31 0:0:00 ×

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Firestone

Firestone Ride-Rite Replacement Bellow 110/70 264mm (For Kit PN 2377 / 2320 / 2379) (W217609000)

$213.58 $177.71
Sale
Technical Bulletin
Firestone

Firestone Ride-Rite Replacement Air Spring Red Label (W217608781)

$327.65 $264.51
Sale
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Firestone

Firestone Ride-Rite Replacement Air Spring 224CZ 3/4 OFF BNCTR Red Label (W217608401)

$333.60 $269.03
Sale
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Wehrli

Wehrli 17-19 Chevrolet L5P Duramax High Flow Intake Bundle Kit - Gloss White

$635.00 $631.16
WCFWCF100718-GW
Air Intake Systems Cold Air Intakes
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....
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Wehrli

Wehrli 17-19 L5P Duramax Billet Anodized Transmission Cooler Thermostat Bypass Plug

$74.38
WCFWCF100469
Cooling Thermostat Housings
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...
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Wehrli

Wehrli 17-23 GM 6.6L L5P Duramax VGT Exhaust Housing Heat Blanket

$169.44
WCFWCF100822
Fabrication Heat Shields
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...
Sale
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Wehrli

Wehrli 17-24 Chevrolet 6.6L L5P Duramax 2in Stainless Up Pipe Kit w/Gaskets

$705.00 $699.06
WCFWCF100624
Connecting Pipes Exhaust, Mufflers & Tips
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...
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Wehrli

Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax 3.5in Down Pipe

$349.86
WCFWCF100129
Downpipes Exhaust, Mufflers & Tips
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...
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Wehrli

Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax Up Pipe Bolt Kit

$75.35
WCFWCF100199
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...
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Wehrli

Wehrli 17-24 Duramax L5P High Flow Intake Horn - Gloss Black

$276.14
WCFWCF100775-GB
The WCFab L5P 4 in. High Flow Cast Aluminum Turbo Intake Horn for 2017-2024 Chevrolet Silverado or GMC 2500 / 3500 HD trucks equipped...
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Wehrli

Wehrli 17-24 Duramax L5P High Flow Intake Horn - Gloss White

$276.14
WCFWCF100775-GW
Air Intake Components Air Intake Systems
The WCFab L5P 4 in. High Flow Cast Aluminum Turbo Intake Horn for 2017-2024 Chevrolet Silverado or GMC 2500 / 3500 HD trucks equipped...
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Wehrli

Wehrli 17-24 Duramax L5P High Flow Intake Horn - WCFab Grey

$300.39
WCFWCF100775-GRY
Air Intake Components Air Intake Systems
The WCFab L5P 4 in. High Flow Cast Aluminum Turbo Intake Horn for 2017-2024 Chevrolet Silverado or GMC 2500 / 3500 HD trucks equipped...
Sale
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Wehrli

Wehrli 17-24 L5P Duramax Billet Exhaust Manifold Kit w/ Gaskets and ARP Hardware

$1,619.00 $1,586.32
WCFWCF100373
Exhaust, Mufflers & Tips Headers & Manifolds
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...
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Wehrli

Wehrli 20-24 Chevrolet 6.6L L5P Duramax 3.5in Intake Horn w/PCV Port - Gloss Black

$242.19
WCFWCF100833-GB
Air Intake Components Air Intake Systems
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...
Sale
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Wehrli

Wehrli 20-24 Chevrolet 6.6L L5P Duramax 4in Intake Kit - Gloss Black

$649.00 $645.51
WCFWCF100702-GB
Air Intake Systems Cold Air Intakes
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...
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Wehrli

Wehrli 20-24 Chevrolet 6.6L L5P Duramax Driver Side 3in Intercooler Pipe - Gloss Black

$352.30
WCFWCF100365-GB
Forced Induction 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...
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Wehrli

Wehrli 20-24 Chevrolet 6.6L L5P Duramax Driver Side 3in Intercooler Pipe - Gloss White

$351.49
WCFWCF100365-GW
Forced Induction 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...
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Wehrli

Wehrli 20-24 Chevrolet 6.6L L5P Duramax Driver Side 3in Intercooler Pipe - WCFab Red

$376.55
WCFWCF100365-RED
Forced Induction 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...
Sale
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Wehrli

Wehrli 20-24 Chevrolet 6.6L LP5 Duramax High Flow Intake Bundle Kit - Gloss Black

$1,559.00 $1,529.04
WCFWCF100414-GB
Air Intake Systems Cold Air Intakes
The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality...
Sale
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Wehrli

Wehrli 20-24 Chevrolet 6.6L LP5 Duramax High Flow Intake Bundle Kit - Gloss White

$1,559.00 $1,528.21
WCFWCF100414-GW
Air Intake Systems Cold Air Intakes
The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality...
Sale
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Wehrli

Wehrli 20-24 Chevrolet-GMC 6.6L L5P Duramax OEM Placement Coolant Tank Kit - Gloss Black

$540.00 $539.01
WCFWCF100268-GB
Coolant Reservoirs Cooling
2020-2025 L5P Duramax Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. - - Dress up your engine bay by replacing the...
Sale
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Wehrli

Wehrli 20-24 Chevrolet-GMC 6.6L L5P Duramax OEM Placement Coolant Tank Kit - WCFab Red

$565.00 $563.26
WCFWCF100268-RED
Coolant Reservoirs Cooling
2020-2025 L5P Duramax Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. - - Dress up your engine bay by replacing the...
Sale
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Wehrli

Wehrli 20-24 Duramax L5P High Flow Intake Bundle Kit - Gloss Black

$699.00 $695.68
WCFWCF100410-GB
Air Intake Systems Cold Air Intakes
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....
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Wehrli

Wehrli 20-24 GM 2500/3500 HD Bumper Spacer Kit - 3/4in

$214.06
WCFWCF100444
Bumper Accessories Bumpers, Grilles & Guards
2020-2025 Silverado and Sierra 2500HD / 3500HD CNC machined billet aluminum spacer kits from WCFab move the front bumper forward off the frame horns...
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Wehrli

Wehrli 20-24 GM Duramax - 19-23 Ram HD Rear Differential Cover - Red

$416.79
WCFWCF100114-RED
Fabricated Aluminum Differential Cover for Rear Axle on 2020-2025 GM Duramax / 2019-2024 Ram Cummins Trucks.This Part Fits: Year Make Model Submodel 2020-2025 Chevrolet...
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Wehrli

Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Black Anodized

$66.62
WCFWCF100443
Engine Components Oil Fill Tubes
Clean up the engine bay of your 2001-2025 Chevy Silverado or GMC Sierra 2500 / 3500 6.6L truck equipped with the 6.6L Duramax with...
Sale
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Wehrli

Wehrli 2006-2007 LBZ Duramax High Flow 3in Y-Bridge Kit- Gloss Black

$1,025.00 $1,009.46
WCFWCF100163-GB
Air Intake Systems Intake Elbows
This LBZ 3" Y-Bridge Kit is an upgraded high flow intake kit for the 2006-2007 LBZ Duramax which replaces the OEM upper intake manifold...
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