Thermostat - Standard Naked Thermostat
733-189
Thermostat Insert
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
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
- Sealing Flange Outside Diameter: 1.64 in
- Sealing Flange Outside Diameter: 41.66 mm
- Color: Silver
- Color: Black
- Design: Insert
- Material: Steel
- Material: Plastic
- MAP Controlled: No
- Gasket or Seal Pre-Installed: Yes
- Height Between Flanges: 1.87 in
- Height Between Flanges: 47.50 mm
- Gasket Or Seal Required: Yes
- Bolt Hole Quantity: 0
- Type: Standard
- Seal Type: O-Ring
- Gasket Quantity: 0
- Gasket Or Seal Included: Yes
- Jiggle Pin Weep Hole: Yes
- Grade Type: OEM
- Height: 2.67 in
- Height: 67.82 mm
- Bypass Flange Diameter: 0.00 in
- Bypass Flange Diameter: 0.00 mm
- Bypass Flange Length: 0.00 mm
- Bypass Flange Length: 0.00 in
- Includes Jiggle Pin Check Valve: Yes
- Jiggle Pin Check Valve Quantity: 2
- Seal Quantity: 1
- Flange Thickness: 0.05 in
- Flange Thickness: 1.27 mm
- Engine Coolant Thermostat Quantity: 1
- Electric: No
- Installation Tool Included: No
- Seal Material: Rubber
- Start to Open Temperature: 189.0 Deg. F
- Start to Open Temperature: 87.22 Deg. C
- Gasket Or Seal Material: Rubber
Interchanges:
- Advance 733-189
- Advance 733-189
- AETM 15489
- Autozone 73389
- Autozone 73389BP
- Canadian Tire - MotoRad 733-189
- Cartek 733-189
- Mighty 73389
- MotoRad 733-189
- NAPA 189-337
- NAPA 189-337
- NAPA 189-337
- OReilly 73389
- Pep Boys 733-189
- Porsche 95810612600
- Porsche 95810612601
- Porsche 95810612602
- Stant 15489
- Vernet TH7272.89
- Volkswagen 03H121113A
- Volkswagen 03H121113B
- Volkswagen 03H121113E
Applications:

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