GASKET- THERMOSTAT COVER P.T. (Toyota TY0997304)

A damaged thermostat cover gasket can allow coolant to leak past the seal, leading to gradual fluid loss and potential overheating. During inspection, a gasket of this type may show compression set or cracking from repeated thermal cycling. The aftermarket replacement part references Toyota catalog number TY0997304 and is listed as a GASKET- THERMOSTAT COVER P.T. Its plain mechanical function is to create a static seal between the thermostat housing and its cover. A common generic failure consequence is that a degraded gasket permits air ingress into the cooling system, reducing heat transfer efficiency. Keeping a thermostat cover gasket in sound condition helps maintain consistent operating temperature by preventing bypass leakage. Verify the serial number or application, then call (562) 693-7748. This item ships at approximately 0.036 pounds.

Part number variants: TY0997304, ty0997304