Material: Fiber Compressed Thickness: .047
Part Replacement Replaces 25175
Thermostat seal
Material: Fiber Compressed Thickness: .094
O-Ring
Thermostat seal
O-Ring
Molded Rubber
O-Ring
Replaces OE Part Number(s) 1564064; Housing To Head
O-Ring
O-Ring
O-Ring
O-Ring
O-Ring
Browse our selection of quality engine coolant thermostat gasket parts designed specifically for your GMC C3500. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · High Sierra · Sierra · Sierra Classic · Sierra Grande · Sierra SL · Sierra SLE · Sierra SLT · Sierra SLX
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Automatic · Manual