Thermostat - Standard Naked Thermostat
523-160
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:
- Outlet Inside Diameter: 1.21 IN
- Outlet Outside Diameter: 1.13 IN
- Prop 65: WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
- Valve Outside Diameter: 1.35 IN
- Bypass Flange Diameter: 1.58 in
- Bypass Flange Diameter: 40.13 mm
- Includes Jiggle Pin Check Valve: Yes
- Seal Quantity: 1
- Bypass Flange Length: 2.12 in
- Bypass Flange Length: 53.84 mm
- Flange Height: 1.27 mm
- Flange Height: 0.05 in
- Color: Silver
- Color: Brass
- Depth: 1.89 in
- Depth: 48.01 mm
- Gasket Quantity: 0
- Engine Coolant Thermostat Quantity: 1
- Gasket Or Seal Material: Rubber
- Design: OEM
- Gasket Or Seal Included: Yes
- Flange Thickness: 0.05 in
- Flange Thickness: 1.27 mm
- Jiggle Pin Check Valve Quantity: 1
- Bolt Hole Quantity: 0
- Type: Standard
- Gasket Or Seal Required: Yes
- Seal Material: Rubber
- Seal Type: O-Ring
- Jiggle Pin Weep Hole: Yes
- Height Between Flanges: 1.89 in
- Height Between Flanges: 48.01 mm
- Height: 2.7 in
- Height: 68.58 mm
- Material: Stainless Steel
- Material: Copper
- Electric: No
- Start to Open Temperature: 160.0 Deg. F
- Start to Open Temperature: 71.11 Deg. C
- Gasket or Seal Pre-Installed: Yes
- Installation Tool Included: No
- Grade Type: OEM
- MAP Controlled: No
- Sealing Flange Outside Diameter: 2.2 in
- Sealing Flange Outside Diameter: 55.88 mm
Interchanges:
- Advance 523-160
- AETM 15156
- Autozone 52360
- Autozone 52360BP
- Cartek 523-160
- General Motors 12661950
- Mighty 52360
- MotoRad 523-160
- NAPA 160-325
- NAPA 160-325
- NAPA 160-325
- OReilly 52360
- Pep Boys 523-160
- Stant 15156
Applications:

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