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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
Operating Range Of -40 Degrees To 300 Degrees Fahrenheit
tested for a perfect fit
Built from durable aircraft grade aluminum
Part Number: 25-287806
ACDelco 131-163 Front Coolant Thermostat Fish Tuning Operating Range Of -40 DegreesThe ACDelco 131 163 Front Coolant Thermostat is a direct replacement for your GM 6. 6L Duramax. This Thermostat features the same OE activation temp and is a drop in replacement for the Front Thermostat equipped from the factory. With nearly a century of innovation, ACDelco has remained a leader in the automotive industry, consistently delivering high quality products. Features: Front Thermostat 185 Degree (OE Temp) Direct Fit Replacement