Wehrli

This Billet Steel S400 Compressor Outlet Flange for 3.5" Pipe with O-Ring Groove is CNC machined from 6061-T6 aluminum in DeKalb, IL USA by WCFab. Part is ready to weld up for DIY fabricators...

This Billet Aluminum S400 Compressor Outlet Flange for 3.5" Pipe with O-Ring Groove is CNC machined from 6061-T6 aluminum in DeKalb, IL USA by WCFab. Part is ready to weld up for DIY fabricators...

This Billet Aluminum S400 Compressor Outlet Flange for 3" Pipe with O-Ring Groove is CNC machined from 6061-T6 aluminum in DeKalb, IL USA by WCFab. Part is ready to weld up for DIY fabricators...

This S300 SXE Weld On Billet Aluminum Compressor Outlet Cone to 3" V-Band Flange is CNC machined from 6061-T6 Aluminum in DeKalb, IL USA. Allows DIY fabricators to modify the compressor outlet of a...

Replacement Billet ORB Fill Cap for WCFab Duramax/Cummins AAM 11.5" Rear Differential Cover (WCF100113) and 2020-2024 GM 2500/3500HD & 2019-2022 Ram 2500/3500 Rear Differential Cover (WCF100114)...

Replacement Billet ORB Fill Cap for WCFab Duramax/Cummins AAM 11.5" Rear Differential Cover (WCF100113) and 2020-2024 GM 2500/3500HD & 2019-2022 Ram 2500/3500 Rear Differential Cover (WCF100114)...

This Steel Manifold Air Pressure (MAP) sensor bung for 2006-2010 LBZ/LMM 6.6L Duramax engines is CNC machined from billet steel in DeKalb, IL USA and ready to be welded to your custom steel...

This Billet Aluminum Manifold Air Pressure (MAP) sensor bung for 2011-2016 LML 6.6L Duramax engines is CNC machined from 6061-T6 aluminum in DeKalb, IL USA and ready to be welded to your custom...

This Billet Aluminum Manifold Air Pressure (MAP) sensor bung for 2001-2004 LB7 6.6L Duramax engines is CNC machined from 6061-T6 aluminum in DeKalb, IL USA and ready to be welded to your custom...

This Billet Aluminum Manifold Air Pressure (MAP) sensor bung for 2017-2025 L5P 6.6L Duramax engines is CNC machined from 6061-T6 aluminum in DeKalb, IL USA and ready to be welded to your custom...

Wehrli 03-07 5.9L Cummins Steel IAT Sensor Bung

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...

These billet Mass Air Flow (MAF) bungs for 2007.5-2010 LMM 6.6L Duramax engines are CNC machined from 6061-T6 aluminum in DeKalb, IL USA and ready to be welded to your custom aluminum air intake pipe...

These billet Mass Air Flow (MAF) bungs for 2011-2016 LML 6.6L Duramax engines are CNC machined from 6061-T6 aluminum in DeKalb, IL USA and ready to be welded to your custom aluminum air intake pipe...

These billet Mass Air Flow (MAF) bungs for 2001-2007 LB7 / LLY / LBZ 6.6L Duramax engines are CNC machined from 6061-T6 aluminum in DeKalb, IL USA and ready to be welded to your custom aluminum air...