Wehrli 17-19 Chevrolet 6.6L L5P Duramax Passenger Side 3.5in Intercooler Pipe - WCFab Grey
WCFWCF100530-GRY
Forced Induction
Intercooler Pipe Kits
The WCFab 3.5" High Flow Passenger (Cold) Side Intercooler Pipe for 2017-2019 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - Gloss White
WCFWCF100742-GW
Cooling
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
WCFWCF100742-RED
Cooling
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 Duramax L5P / 20-24 L5P Duramax Long Bed Fuel Filter Housing Kit
WCFWCF100361
Fuel Delivery
Fuel Filters
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
WCFWCF100469
Chevrolet Shop
Cooling
Silverado
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...
Wehrli 17-23 GM 6.6L L5P Duramax VGT Exhaust Housing Heat Blanket
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...
Wehrli 17-24 Chevrolet 6.6L L5P Duramax 2in Stainless Up Pipe Kit w/Gaskets
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...
Wehrli 17-24 Chevrolet Duramax Billet Exhaust Manifold & Stainless Up Pipe Kit w/ Gaskets & Hardware
WCFWCF100226
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...
Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax 3.5in Down Pipe
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...
Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax Up Pipe Bolt Kit
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...
Wehrli 17-24 L5P Duramax Billet Exhaust Manifold Kit w/ Gaskets and ARP Hardware
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...
