Fleece Duramax Turbo Thermostat Coolant Plug

FPE-TURBO-THERM 

2001-2010 Duramax 

The Fleece Performance Duramax Turbo Thermostat Delete Plug is designed to eliminate the stock coolant feed line when installing a non-water cooled turbocharger on your Duramax. It provides clearance for larger intake plumbing and uses an O-ring seal to prevent leaks.