Wehrli 17-19 Chevrolet 6.6L L5P Duramax OEM Placement Coolant Tank Kit - Bengal Red - WCF100433-BR MSRP: $509.00 Was: Now: $493.73 Add to Cart
Wehrli 17-19 Chevrolet 6.6L L5P Duramax OEM Placement Coolant Tank Kit - Flat Black - WCF100433-FB MSRP: $509.00 Was: Now: $493.73 Add to Cart
Wehrli 17-19 Chevrolet 6.6L L5P Duramax OEM Placement Coolant Tank Kit - Gloss Black - WCF100433-GB MSRP: $509.00 Was: Now: $493.73
Wehrli 17-19 Chevrolet 6.6L L5P Duramax OEM Placement Coolant Tank Kit - Gloss White - WCF100433-GW MSRP: $509.00 Was: Now: $493.73 Add to Cart
Wehrli 17-19 Chevrolet 6.6L L5P Duramax OEM Placement Coolant Tank Kit - WCFab Red - WCF100433-RED MSRP: $534.00 Was: Now: $517.98 Add to Cart
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Passenger Side 3.5in Intercooler Pipe - Gloss Black - WCF100530-GB MSRP: $320.00 Was: Now: $310.40 Add to Cart
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Passenger Side 3.5in Intercooler Pipe - Gloss White - WCF100530-GW MSRP: $320.00 Was: Now: $310.40 Add to Cart
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Passenger Side 3.5in Intercooler Pipe - WCFab Grey - WCF100530-GRY MSRP: $345.00 Was: Now: $334.65 Add to Cart
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - Gloss White - WCF100742-GW MSRP: $160.00 Was: Now: $155.20 Add to Cart
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - Illusion Purple - WCF100742-IP MSRP: $185.00 Was: Now: $179.45
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - WCFab Red - WCF100742-RED MSRP: $185.00 Was: Now: $179.45 Add to Cart
Wehrli 17-19 Chevrolet L5P Duramax High Flow Intake Bundle Kit - Gloss White - WCF100718-GW MSRP: $635.00 Was: Now: $615.95 Add to Cart
Wehrli 17-19 Duramax L5P / 20-24 L5P Duramax Long Bed Fuel Filter Housing Kit - WCF100361 MSRP: $255.00 Was: Now: $247.35 Add to Cart
Wehrli 17-19 L5P Duramax Billet Anodized Transmission Cooler Thermostat Bypass Plug - WCF100469 MSRP: $61.00 Was: Now: $59.17 Add to Cart
Wehrli 17-19 L5P Duramax Intercooler Outlet Boot Adapter - WCF205-190 MSRP: $61.00 Was: Now: $59.17 Add to Cart
Wehrli 17-23 GM 6.6L L5P Duramax VGT Exhaust Housing Heat Blanket - WCF100822 MSRP: $159.00 Was: Now: $154.23 Add to Cart
Wehrli 17-24 Chevrolet 6.6L L5P Duramax 2in Stainless Up Pipe Kit w/Gaskets - WCF100624 MSRP: $705.00 Was: Now: $683.85 Add to Cart
Wehrli 17-24 Chevrolet Duramax Billet Exhaust Manifold & Stainless Up Pipe Kit w/ Gaskets & Hardware - WCF100226 MSRP: $2,225.00 Was: Now: $2,158.25 Add to Cart
Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax 3.5in Down Pipe - WCF100129 MSRP: $345.00 Was: Now: $334.65 Add to Cart
Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax Up Pipe Bolt Kit - WCF100199 MSRP: $62.00 Was: Now: $60.14 Add to Cart
Wehrli 17-24 Duramax L5P High Flow Intake Horn - Gloss Black - WCF100775-GB MSRP: $269.00 Was: Now: $260.93 Add to Cart
Wehrli 17-24 Duramax L5P High Flow Intake Horn - Gloss White - WCF100775-GW MSRP: $269.00 Was: Now: $260.93 Add to Cart
Wehrli 17-24 Duramax L5P High Flow Intake Horn - WCFab Red - WCF100775-RED MSRP: $294.00 Was: Now: $285.18 Add to Cart
Wehrli 17-24 L5P Duramax Billet Exhaust Manifold Kit w/ Gaskets and ARP Hardware - WCF100373 MSRP: $1,619.00 Was: Now: $1,570.43 Add to Cart
Wehrli 17-19 Chevrolet 6.6L L5P Duramax OEM Placement Coolant Tank Kit - Bengal Red - WCF100433-BR The WCFab 2017-2019 L5P Duramax 2500 / 3500 & 2019+ L5D Duramax 4500 / 5500 / 6500 Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. The stock coolant reservoirs on these... MSRP: $509.00 Was: Now: $493.73 Add to Cart
Wehrli 17-19 Chevrolet 6.6L L5P Duramax OEM Placement Coolant Tank Kit - Flat Black - WCF100433-FB The WCFab 2017-2019 L5P Duramax 2500 / 3500 & 2019+ L5D Duramax 4500 / 5500 / 6500 Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. The stock coolant reservoirs on these... MSRP: $509.00 Was: Now: $493.73 Add to Cart
Wehrli 17-19 Chevrolet 6.6L L5P Duramax OEM Placement Coolant Tank Kit - Gloss Black - WCF100433-GB The WCFab 2017-2019 L5P Duramax 2500 / 3500 & 2019+ L5D Duramax 4500 / 5500 / 6500 Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. The stock coolant reservoirs on these... MSRP: $509.00 Was: Now: $493.73
Wehrli 17-19 Chevrolet 6.6L L5P Duramax OEM Placement Coolant Tank Kit - Gloss White - WCF100433-GW The WCFab 2017-2019 L5P Duramax 2500 / 3500 & 2019+ L5D Duramax 4500 / 5500 / 6500 Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. The stock coolant reservoirs on these... MSRP: $509.00 Was: Now: $493.73 Add to Cart
Wehrli 17-19 Chevrolet 6.6L L5P Duramax OEM Placement Coolant Tank Kit - WCFab Red - WCF100433-RED The WCFab 2017-2019 L5P Duramax 2500 / 3500 & 2019+ L5D Duramax 4500 / 5500 / 6500 Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. The stock coolant reservoirs on these... MSRP: $534.00 Was: Now: $517.98 Add to Cart
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Passenger Side 3.5in Intercooler Pipe - Gloss Black - WCF100530-GB 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 HD truck replaces the factory plastic two piece... MSRP: $320.00 Was: Now: $310.40 Add to Cart
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Passenger Side 3.5in Intercooler Pipe - Gloss White - WCF100530-GW 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 HD truck replaces the factory plastic two piece... MSRP: $320.00 Was: Now: $310.40 Add to Cart
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Passenger Side 3.5in Intercooler Pipe - WCFab Grey - WCF100530-GRY 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 HD truck replaces the factory plastic two piece... MSRP: $345.00 Was: Now: $334.65 Add to Cart
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - Gloss White - WCF100742-GW 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 following GM Part Numbers: 84094878This Part... MSRP: $160.00 Was: Now: $155.20 Add to Cart
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - Illusion Purple - WCF100742-IP 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 following GM Part Numbers: 84094878This Part... MSRP: $185.00 Was: Now: $179.45
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - WCFab Red - WCF100742-RED 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 following GM Part Numbers: 84094878This Part... MSRP: $185.00 Was: Now: $179.45 Add to Cart
Wehrli 17-19 Chevrolet L5P Duramax High Flow Intake Bundle Kit - Gloss White - WCF100718-GW 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. Eliminates weak points in the factory... MSRP: $635.00 Was: Now: $615.95 Add to Cart
Wehrli 17-19 Duramax L5P / 20-24 L5P Duramax Long Bed Fuel Filter Housing Kit - WCF100361 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 to our spin-on canister style filter. Featuring... MSRP: $255.00 Was: Now: $247.35 Add to Cart
Wehrli 17-19 L5P Duramax Billet Anodized Transmission Cooler Thermostat Bypass Plug - WCF100469 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 by reducing fluid flow restriction to the... MSRP: $61.00 Was: Now: $59.17 Add to Cart
Wehrli 17-19 L5P Duramax Intercooler Outlet Boot Adapter - WCF205-190 This Billet Aluminum Beadroll Adapter Flange connects to the outlet (passenger / cold) side of the Intercooler. Adapts the OE slip/clip ring assembly to a precision machined bead roll joint allowing... MSRP: $61.00 Was: Now: $59.17 Add to Cart
Wehrli 17-23 GM 6.6L L5P Duramax VGT Exhaust Housing Heat Blanket - WCF100822 For use on tuned 2017-2023 L5P Duramax competition trucks equipped with VGT Style Turbochargers.This Part Fits:YearMakeModelSubmodel2021-2023ChevroletSilverado 2500 HDCustom< MSRP: $159.00 Was: Now: $154.23 Add to Cart
Wehrli 17-24 Chevrolet 6.6L L5P Duramax 2in Stainless Up Pipe Kit w/Gaskets - WCF100624 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 / 3500 HD truck with these heavy duty 11 gauge 2"... MSRP: $705.00 Was: Now: $683.85 Add to Cart
Wehrli 17-24 Chevrolet Duramax Billet Exhaust Manifold & Stainless Up Pipe Kit w/ Gaskets & Hardware - WCF100226 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 port... MSRP: $2,225.00 Was: Now: $2,158.25 Add to Cart
Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax 3.5in Down Pipe - WCF100129 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 DOC outlet flange behind the OEM turbo and mates... MSRP: $345.00 Was: Now: $334.65 Add to Cart
Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax Up Pipe Bolt Kit - WCF100199 The WCFab L5P Up Pipe Bolt Kit is comprised of 12 specially selected high strength ARP fasteners and matched washers with a pack of assembly lube are designed as an upgrade to the smaller and failure... MSRP: $62.00 Was: Now: $60.14 Add to Cart
Wehrli 17-24 Duramax L5P High Flow Intake Horn - Gloss Black - WCF100775-GB The WCFab L5P 4 in. High Flow Cast Aluminum Turbo Intake Horn for 2017-2025 Chevrolet Silverado or GMC 2500 / 3500 HD trucks equipped with the 6.6L Duramax Diesel is the largest and highest flowing... MSRP: $269.00 Was: Now: $260.93 Add to Cart
Wehrli 17-24 Duramax L5P High Flow Intake Horn - Gloss White - WCF100775-GW The WCFab L5P 4 in. High Flow Cast Aluminum Turbo Intake Horn for 2017-2025 Chevrolet Silverado or GMC 2500 / 3500 HD trucks equipped with the 6.6L Duramax Diesel is the largest and highest flowing... MSRP: $269.00 Was: Now: $260.93 Add to Cart
Wehrli 17-24 Duramax L5P High Flow Intake Horn - WCFab Red - WCF100775-RED The WCFab L5P 4 in. High Flow Cast Aluminum Turbo Intake Horn for 2017-2025 Chevrolet Silverado or GMC 2500 / 3500 HD trucks equipped with the 6.6L Duramax Diesel is the largest and highest flowing... MSRP: $294.00 Was: Now: $285.18 Add to Cart
Wehrli 17-24 L5P Duramax Billet Exhaust Manifold Kit w/ Gaskets and ARP Hardware - WCF100373 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 port... MSRP: $1,619.00 Was: Now: $1,570.43 Add to Cart