Replace your leaking or worn thermostat housing gasket with this Genuine OEM GM 97223686 Coolant Thermostat Housing Gasket, designed for 2001–2016 Silverado and Sierra 2500HD/3500HD Duramax diesel engines.
Genuine GM Coolant Thermostat Housing Stud Double End (2004-2025) OE 11611144
2001–2016 Duramax LB7 LLY LBZ LMM LML Thermostat Housing Gaskets OEM GM 97223686
GM 12587395 Thermostat Housing 2007+ GM Truck/SUV -No Thermostat 4.8 5.3 6.0 6.2
OEM Genuine GM new 3.6L Engine Coolant Thermostat & Housing with Seal 12741009
Genuine GM ACDelco 180 & 185 Thermostat Kit Front Rear 2001-2018 Duramax Diesel