Description 2001 – 2020 6.6L GM / Chevrolet Duramax Diesel Thermostat Kit Both thermostats included GM OEM Reference # 97241129 97241130 Temperature: 180/185 Degrees – OEM Recommended temperature Fits: All LB7, LLY, LBZ, LMM, LML, LGH, and L5P 6.6L engine models from 2001-2020 Manufactured from high quality components to meet the demanding conditions of the automotive cooling system. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included.
