Carquest Premium Thermostat-180 Degrees w/ Seal

Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. 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 where applicable

High grade stainless steel and copper construction Meets or exceeds OEM standards Consistent and precise response to cooling system needs Original equipment design for worry-free direct fit replacement 100% tested and calibrated Gasket Or Seal Included : Yes Jiggle Pin Weep Hole : Yes Sealing Flange Outside Diameter : 2.1 in