Wehrli Custom Fab

WC 4x4 Transfer Case Brace 2011-2019 LML/L5P Duramax Allison

WC FAB Billet Exhaust Manifold & 2" Stainless Up Pipe Kit for 2001-2004 LB7 Duramax

WCFab X Fleece Thermostat Housing for 1998.5-2018 5.9L & 6.7L Cummins

WC 4" Cold Air Intake Kit with Air Box for 1998.5-2002 5.9L Cummins

WC Fab Modified OEM Upper Coolant Pipe for S300/S400 Kits for 2001-2004 LB7 Duramax

WC Fab High Output (HO) Upper Coolant Pipe for 2019-2025 6.7L Cummins

WC Fab Duramax HD Engine Mounts 2017-2026 Chevy/GMC L5P 6.6L Duramax

WC Fab 2" Stainless Up Pipe Kit for OEM or WCFab Manifolds w/ Gaskets 2017-2026 L5P Duramax |2019+ L5D HD Truck

WC Fab Duramax High Flow Turbo Pedestal Kit 2017-2023 Chevy/GMC L5P | 2019-2023 L5D Duramax

Wehrli Fab CP3 Conversion Kit 2011-2016 Chevy/GMC 6.6L Duramax

WC FAB OEM Placement Coolant Tank Kit 2017-2019 L5P / 2019+ L5D Duramax

Wehrli OEM Placement Coolant Tank Kit 2010 to 2012 6.7L Cummins