Contains one 4" ID x 3" ID Straight Boot with Logo and two 4" T-Bolt Clamps. 4" ID x 3" Long Silicone Boot and Clamp Kit Features: Qty. 1 of 4" ID x 3" ID Straight Boot Qty. 2 of 4" T-Bolt Clamp *Replacement...

Contains one 5" ID x 2.5" Boot with Logo and two 5" T-Bolt Clamps 5" ID x 2.5" Long Silicone Boot and Clamp Kit Features: Qty. 1 of 5" ID x 2.5" Boot Qty. 2 of 5" T-Bolt Clamp *Replacement part for models WCF100489,...

Contains one 4" x 4" Straight Hump Boot with Logo and two 4" T-Bolt Clamps 4" ID x 4" Long Silicone Hump Boot and Clamp Kit Features: Qty. 1 of 4" x 4" Straight Hump Boot Qty. 2 of 4" T-Bolt Clamp *Replacement part...

O-ring for sealing surface of inlet pipe on LBZ/LMM Cast Two-Piece Y-bridge O-Ring Seal WCFab Y-BRIDGE INLET - LBZ/LMM DURAMAX TWO-PIECE

For installation of fixed vane (Non Coolant Fed) Turbocharger on LB7, LLY, LBZ, LMM Duramax. Allows removal of the thermostat inside of the upper coolant pipe that feeds coolant to the factory turbocharger. Billet aluminum machined with Black Anodized finish. Plug for Upper Coolant...

Cummins #10 JIC Male Oil Drain Line Connection. Press Fit Engine Block Connection with Double O-Ring Seal. Fitting Oil Drain #10 JIC Cummins Engine Block Features: #10 JIC Male Oil Drain Line Connection Press Fit Engine Block Connection with Double O-Ring Seal Incorporates Wrench...

Universal Billet Aluminum Adapter Fitting, Straight Hose Barb to Hose Barb 3/4" (0.75 in.) with 1/2" NPT Port. Black Anodized Finish. Fitting 3/4" Hose Barb Straight with 1/2" NPT Port Features: 3/4" (.75) Hose Barb x 3/4" (.75) Hose Barb Coupler / Union Straight...

Replacement O-Ring for Duramax L5P VGT Turbo Flange. Used on the following WCFab Kits: 2017-2019 L5P Duramax 3.5" Turbo Intake Horn (WCF100721), 2020-2023 L5P Duramax 3.5" Turbo Intake Horn (WCF100833) O-Ring Seal WCFab L5P VGT TURBO FLANGE

6.7L Cummins Thick Flange #12 JIC Male Fitting for Coolant Port Behind Water Pump. Press Fit Connection with High Temp O-Ring Seal and Mounting Bolt Tab. Coolant Fitting 6.7 Cummins #12 JIC Features: #12 JIC Male Fitting for Coolant Port Behind Water Pump Press...

Replacement O-Ring for Duramax VGT Turbo inlet.?Used on the following WCFab Kits: S400/Stock twin kits 2004.5-2016 models, Stage 2 intake kits for 2004.5-2010 models, VGT Turbo Inlet Horns for 2004.5-2016 models, One Piece Intake for 2011-2016 Models O-Ring Seal WCFab VGT TURBO INLET LLY...

6.7L Cummins Thin Flange #10 JIC Male Fitting for Coolant Port Behind Water Pump. Press Fit Connection with High Temp O-Ring Seal and Mounting Bolt Tab. Coolant Fitting 6.7 Cummins #10 JIC Features: #10 JIC Male Fitting for Coolant Port Behind Water Pump Press...

Replacement O-Ring for S400 Compressor outlet flanges. Used on WCFab S400/stock twin kits and S400 Single Turbo Kits. O-Ring Seal S400 COMPRESSOR OUTLET

Replacement O-Ring for Duramax L5P Passenger Side Intercooler Pipe Throttle Valve Flange Connection. Used on the following WCFab Kits: 20-23 L5P Passenger Side Intercooler Pipe (WCF100381) O-Ring Seal WCFab 2020+ L5P PASSENGER SIDE INTERCOOLER PIPE THROTTLE VALVE FLANGE Features: Sold individually. Intercooler pipe flange...

Replacement O-ring for WCFAB LBZ, LMM, LML Y-bridge flange mating to intake runner. O-Ring Seal WCFab LBZ/LMM/LML DURAMAX Y-BRIDGE FLANGE Features: Sold individually. Y-Bridge requires 2 o-rings.

Replacement O-Ring for Duramax L5P Passenger Side Intercooler Pipe Outlet Flange Connection. Used on the following WCFab Kits: 17-19 L5P Passenger Side Intercooler Pipe, 20-23 L5P Passenger Side Intercooler Pipe. O-Ring Seal WCFab L5P PASSENGER SIDE INTERCOOLER PIPE INTERCOOLER OUTLET FLANGE Features: Sold individually....

LB7 Duramax 3" Down pipe for S400 turbo with 4.6" Diameter flat exhaust outlet flange (Half marmon). This down pipe mates to the exhaust system v-band flange with OEM clamp for easy install. Must be used with a T4 pedestal between 5.5-6.5" tall. Down...

Built in house at WCFab carrying a LIFETIME WARRANTY against bending or breaking (to original purchaser). Traction bars are a necessary upgrade when increasing the horsepower on your diesel truck to prevent the axle from twisting which can lead to broken u-joints, driveshafts, and...

Built in house at WCFab carrying a LIFETIME WARRANTY against bending or breaking (to original purchaser). Traction bars are a necessary upgrade when increasing the horsepower on your diesel truck to prevent the axle from twisting which can lead to broken u-joints, driveshafts, and...

Built in house at WCFab carrying a LIFETIME WARRANTY against bending or breaking (to original purchaser). Traction bars are a necessary upgrade when increasing the horsepower on your diesel truck to prevent the axle from twisting which can lead to broken u-joints, driveshafts, and...

Built in house at WCFab carrying a LIFETIME WARRANTY against bending or breaking (to original purchaser). Traction bars are a necessary upgrade when increasing the horsepower on your diesel truck to prevent the axle from twisting which can lead to broken u-joints, driveshafts, and...