Wehrli Custom Fabrication 2007.5-2010 LMM Duramax Coolant Bypass/Relocation Fitting - WCF100798

Coolant Relocation Bypass Fitting for LMM Duramax. Located on the Driver Side of the rear engine adapter plate the OEM coolant fitting interferes when installing aftermarket up pipes or manifolds/up pipe kits. This Fitting routes the line for better clearance. No tuning required.