Thermostat Housing Crossover At Head Gasket, Duramax | 2001 - 2016

Genuine GM thermostat housing crossover gasket for 2001-2016 Chevy Silverado and GMC Sierra 2500HD and 3500HD trucks with the 6.6L Duramax diesel (LB7, LLY, LBZ, LMM and LML) and 2006-2016 Chevy Express and GMC Savana Duramax vans. These gaskets help seal the gap between the thermostat housing and the engine to help prevent leakage.

Features

• Genuine GM 97223686
• Seals the thermostat housing crossover to the cylinder head
• Fits all 2001-2016 6.6L Duramax pickups and 2006-2016 Duramax vans
• Sold individually; 2 required per vehicle

What's Included

• (1) GM thermostat housing crossover gasket (97223686)

When to Replace

• Coolant leaking where the thermostat housing crossover meets the cylinder heads
• Any time the thermostat housing crossover is removed from the heads

Before You Order

• 2 required. This listing is for one gasket. Order a quantity of 2, or get the Crossover Gasket Set of 2.
• Not included in our 2001-2010 Thermostat Kit or LML Thermostat Kit.
• Already included in our 2001-2016 Duramax head gasket kits.

Installation Tips

• Drain the coolant before removing the thermostat housing.
• Clean both sealing surfaces before installing the new gaskets.
• Refill and bleed the cooling system, then check for leaks.

Related Parts

• Thermostat Housing Crossover Gasket, Set of 2, 2001-2016
• Water Pump Bypass Upper Pipe Seal, 2001-2016
• Water Pump Bypass Lower Pipe Seal, 2001-2016
• Upper Radiator Pipe Seal, 2001-2010
• Duramax Thermostat Kit, Front and Rear, 2001-2010
• Engine Coolant Thermostat Kit, LML 2011-2016
• PPE Thermostat Housing, 2001-2007
• PPE Thermostat Housing, Dual Sensor, 2007.5-2010
• Wehrli Thermostat Housing Kit, LB7/LLY 2001-2005
• Wehrli Thermostat Housing Kit, LBZ/LMM 2006-2010
• Wehrli Thermostat Housing, LML

Frequently Asked Questions

How many do I need?
2 are required per vehicle. This listing is for one gasket; the Set of 2 has both.

Do I need these for a thermostat change?
Only if the thermostat housing crossover is removed from the heads. They are not included in our thermostat kits.

For warranty information, see our Warranty Policy.