Intakes & Intake Horns
2020-2024 L5P Duramax 4” Intake Resonator Pipe (WCF100720)
2017-2019 L5P Duramax 4" Intake Resonator Pipe (WCF100709)
2020-2024 L5P Duramax 4" Full Intake with Air Box (WCF100702)
2017-2019 L5P Duramax 4" Full Intake with Air Box (WCF100344)
2020-2024 L5P Duramax 3.5” Intake Horn (WCF100833)
2017-2019 L5P Duramax 3.5" Intake Horn (WCF100721)
2011-2016 LML Duramax Stage 2 4" Intake Kit (WCF100304)
Up Pipes, Down Pipes, & Manifolds
2017-2024 L5P Duramax Billet Exhaust Manifolds (WCF100373)
2017-2024 L5P Duramax 3.5" Down Pipe (WCF100129)
2020-2024 L5P Duramax Up Pipe Kit (WCF100624)
2017-2024 L5P Duramax Up Pipe Kit (WCF100624)
2001-2004 LB7 Duramax 3" Down Pipe (WCF100119)
Intercooler Pipes, Y-Bridges, & High Flow Bundle Kits
2020-2024 L5P Duramax Driver Side 3.5" Intercooler Pipe (WCF100365)
2020-2024 L5P Duramax Passenger Side 3.5" Intercooler Pipe (WCF100381)
2017-2019 L5P Duramax Driver Side 3" Intercooler Pipe Kit (WCF100708)
2017-2019 L5P Duramax Passenger Side 3.5" Intercooler Pipe Kit (WCF100530)
2001-2016 Duramax Driver Side Intercooler Pipe Kit (WCF100353, WCF100352, WCF100349)
2011-2016 LML Duramax Upper Crossover Intercooler Pipe Kit (WCF100328)
2006-2007 LBZ Duramax Y-Bridge Kit (WCF100163)
2007.5-2010 LMM Duramax Y-Bridge Kit (WCF100164)
2017-2019 L5P Duramax Stage 1 High Flow Intake Bundle Kit (WCF100718)
2017-2019 L5P Duramax Stage 2 High Flow Intake Bundle Kit (WCF100441)
2017-2019 L5P Duramax Stage 3 High Flow Intake Bundle Kit (WCF100403)
2020-2024 L5P Duramax Stage 1 High Flow Intake Bundle Kit (WCF100410)
2020-2024 L5P Duramax Stage 2 High Flow Intake Bundle Kit (WCF100414)
2020-2024 L5P Duramax Stage 3 High Flow Intake Bundle Kit (WCF100418)
Cooling System
2020-2024 L5P Duramax Upper Coolant Pipe (WCF100541)
2017-2019 L5P Duramax Upper Coolant Pipe (WCF100742)
2020-2024 L5P Duramax Coolant Tank (WCF100268)
2017-2019 L5P Duramax Coolant Tank (WCF100433)
Fuel System
2017-2024 L5P Fuel Filter Housing Kit (WCF100361, WCF100362)
2011-2016 LML Duramax CP3 Conversion Kit (WCF100260)
Turbo Installation Kits
2001-2016 Single Turbo Oil Line Kit (WCF100382, WCF100210, WCF100219)
2001-2016 Twin Turbo Oil Line Kit
Exterior
2020-2024 GMC 2500/3500HD Fender Flare Billet Marker Light Delete Kit (WCF100390, WCF100391, WCF100392 & WCF100393)
2020-2024 L5P Duramax Rear Differential Cover (WCF100114)
2015-2019 HD Silverado Lower Valance Filler Panel (WCF100425, WCF100427, WCF100426 & WCF100428)
2020+ GM HD 2500 / 3500 Roll Pan (BHP5006, BHP5007)
Engine Dress Up
2001-2019 Duramax Brake Master Cylinder Reservoir Cover (WCF100205)
CP3 Conversion
2011-2016 LML Duramax CP3 Conversion Kit (WCF100260)
Transmissions
2001-2019 Duramax WCFab Built Allison Transmission FAQs (WCF100955, WCF100960, WCF100965, WCF100970, WCF100980, WCF100990)