Quick view Wehrli Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - WCFab Grey - WCF100718-GRY Compare $685.00 $664.99 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... Add to Cart Add to Cart
Quick view Wehrli Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG Compare $1,600.00 $1,552.99 The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... Add to Cart Add to Cart
Quick view Wehrli Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB Compare $1,600.00 $1,552.99 The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... Add to Cart Add to Cart
Quick view Wehrli Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY Compare $1,600.00 $1,552.99 The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... Add to Cart Add to Cart
Quick view Wehrli Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR Compare $1,799.00 $1,745.99 The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... Add to Cart Add to Cart
Quick view Wehrli Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO Compare $160.00 $155.99 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: 84094878Installation... Add to Cart Add to Cart
Quick view Wehrli Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM Compare $464.00 $450.99 Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze Add to Cart Add to Cart
Sold Out Quick view Wehrli Wehrli 17-19 L5P / 2019+ L5D Duramax OEM Placement Coolant Tank Kit - Fine Texture Black - WCF100433-FTB Compare $509.00 $493.99 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... Currently Out of stock. On order! Currently Out of stock. On order!
Quick view Wehrli Wehrli 17-19 L5P / 2019+ L5D Duramax OEM Placement Coolant Tank Kit - Semi Gloss Black - WCF100433-SGB Compare $509.00 $493.99 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... Add to Cart Add to Cart
Sold Out Quick view Wehrli Wehrli 17-19 L5P Duramax 4in Intake Resonator Pipe - Illusion Purple - WCF100709-IP Compare $260.00 $252.99 4" Intake Resonator Pipe for 2017-2019 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck equipped with an OEM or drop in factory style turbocharger. Dress up your... Currently Out of stock. On order! Currently Out of stock. On order!
Quick view Wehrli Wehrli 17-19 L5P Duramax Billet Anodized Transmission Cooler Thermostat Bypass Plug - WCF100469 Compare $61.00 $59.99 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... Add to Cart Add to Cart
Quick view Wehrli Wehrli 17-19 L5P Duramax Intercooler Outlet Boot Adapter - WCF205-190 Compare $61.00 $59.99 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... Add to Cart Add to Cart
