Skip to main content

Integrated Housing Thermostat-221 Degrees

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.


  • 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
  • Bleeder Hole: Internal component
  • Flange Length: Internal component
  • Flange Thickness: Internal component
  • Flange Width: Internal component
  • Gasket/Seal Material: Rubber
  • Gasket/Seal Preinstalled: Yes
  • Inlet Port Inside Diameter: N/A
  • Inlet Port Outside Diameter: N/A
  • Inlet Port Quantity: 0
  • Bolt Hole Center To Bolt Hole Center: 4.34 in
  • Color: Black
  • Gasket Or Seal Included: Yes
  • Gasket Type: O-Ring
  • Grade Type: Regular
  • Inside Diameter: 1.03 in
  • Material: Plastic, Metal, Rubber
  • Mounting Hardware Included: Yes
  • Mounting Hole Quantity: 6
  • Outlet Port Quantity: 4
Year Make Model Engine
  • Advance_1225-221
  • Autozone_12252
  • Autozone_12252BP
  • BMW_11537644811
  • MotoRad_1225-221
  • NAPA_221-5221
  • OReilly_12252