2001-2019 Duramax Rear 180 Degree Thermostat AcDelco 131-131

The ACDelco 131-131 (GM 97241130) is the OE rear, 180°F engine coolant thermostat for the 6.6L Duramax diesel in 2001–2019 Chevrolet Silverado / GMC Sierra HD trucks and 2006–2016 Express / Savana vans.

Features & Benefits

Rear-position engine coolant thermostat, 180°F rating (per GM)
Controls coolant flow through the radiator to help the engine reach and maintain operating temperature
GM P/N 97241130 / ACDelco 131-131
Genuine GM / ACDelco OE part, designed, engineered and tested to GM standards and backed by General Motors

Application

Chevrolet Silverado 2500 HD (2001–2019), 3500 (2001–2006), 3500 HD (2007–2019) with 6.6L Duramax
GMC Sierra 2500 HD (2001–2019), 3500 (2001–2006), 3500 HD (2007–2019) with 6.6L Duramax
Silverado / Sierra 2500 HD & 3500 Classic (2007) with 6.6L diesel
Chevrolet Express / GMC Savana 2500 / 3500 (2006–2016) and 4500 (2009–2016) with 6.6L diesel

Always verify fitment by VIN or by matching the GM/ACDelco part number on your original part before ordering.

Cross-Reference / OE Numbers

ACDelco: 131-131
GM: 97241130[...]