Thermostat - Standard Naked Thermostat
544-189
Thermostat
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.
Features:
- 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
Specifications:
- Prop 65: WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
- Seal Type: O-Ring
- Bolt Hole Quantity: 0
- Gasket Quantity: 0
- Type: Standard
- Gasket Or Seal Included: Yes
- Jiggle Pin Weep Hole: No
- Height: 2.26 in
- Height: 57.40 mm
- Gasket or Seal Pre-Installed: Yes
- Gasket Or Seal Required: Yes
- Height Between Flanges: 1.93 in
- Height Between Flanges: 49.02 mm
- Grade Type: OEM
- MAP Controlled: No
- Color: Black
- Color: Silver
- Sealing Flange Outside Diameter: 1.63 in
- Sealing Flange Outside Diameter: 41.40 mm
- Material: Plastic
- Material: Steel
- Seal Material: Rubber
- Start to Open Temperature: 87.22 Deg. C
- Start to Open Temperature: 189.0 Deg. F
- Gasket Or Seal Material: Rubber
- Flange Thickness: 3.23 mm
- Flange Thickness: 0.127 in
- Depth: 1.93 in
- Depth: 49.02 mm
- Installation Tool Included: No
- Electric: No
- Engine Coolant Thermostat Quantity: 1
- Seal Quantity: 1
- Design: Insert
- Flange Height: 0.13 in
- Flange Height: 3.30 mm
- Includes Jiggle Pin Check Valve: No
- Bypass Flange Length: 0.00 in
- Bypass Flange Length: 0.00 mm
- Bypass Flange Diameter: 0.00 in
- Bypass Flange Diameter: 0.00 mm
- Jiggle Pin Check Valve Quantity: 0
Interchanges:
- Advance 544-189
- Autozone 54489
- Autozone 54489BP
- BMW 11518512234
- Cartek 544-189
- MotoRad 544-189
- NAPA 189-445
- NAPA 189-445
- NAPA 189-445
- OReilly 54489
- Vernet TH7088.87
- Vernet TH7287.87
Applications:

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