Note: 2 Required

Coolant Thermostat Housing Gasket; GM Genuine Parts Engine Coolant Thermostat Housing Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These gaskets help seal the gap between the exterior of your vehicle's thermostat housing and engine. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles.

Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

• Helps seal the gap between the exterior of your vehicle's thermostat housing and the exterior of the engine to help prevent leakage
• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• GM regularly updates production and service part designs to integrate new materials and technologies

Details:

• Engine Manufacturer: Duramax
• Liter: 6.6 Liter
• Engine Designation: LB7, LLY, LBZ
• Engine Years: 2001-2016

Applications:

• 2001-2016 Silverado/Sierra 2500HD/3500HD LB7/LLY/LBZ