Thermostat - UltraStat
5658-170
UltraStat
UltraStat™ Thermostats are the toughest thermostats on the market. All heavy gauge stainless steel construction provides long-life durability, as well as complete corrosion resitance. Exclusive BLVT™ Valve technology minimizes thermal shock to cooling system components.
Features:
- Heavy gauge stainless steel components offer increased reliability and long-lasting durability
- Exclusive BLVT™ Valve Technology minimizes thermal shock to cooling system components
- Stainless steel thermal element for unmatched corrosion resistance and revolutionary REAX™ wax mixture provides quicker reaction time
- AccuSpring™ Design for stable temperature control and increased cabin comfort
Specifications:
- Prop 65: WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
- Bolt Hole Quantity: 0
- Gasket Or Seal Required: Yes
- Sealing Flange Outside Diameter: 2.25 in
- Sealing Flange Outside Diameter: 57.15 mm
- Engine Coolant Thermostat Quantity: 1
- Jiggle Pin Check Valve Quantity: 1
- Gasket Or Seal Included: Yes
- Flange Thickness: 0.05 in
- Flange Thickness: 1.27 mm
- Depth: 1.65 in
- Depth: 41.91 mm
- Bypass Flange Length: 1.41 in
- Bypass Flange Length: 35.81 mm
- Flange Height: 0.05 in
- Flange Height: 1.27 mm
- Gasket Quantity: 0
- Color: Silver
- Includes Jiggle Pin Check Valve: Yes
- Bypass Flange Diameter: 1.09 in
- Bypass Flange Diameter: 27.69 mm
- Gasket Or Seal Material: Rubber
- Design: OEM
- Installation Tool Included: No
- Grade Type: OEM
- MAP Controlled: No
- Gasket or Seal Pre-Installed: Yes
- Height: 2.35 in
- Height: 59.69 mm
- Material: Stainless Steel
- Electric: No
- Start to Open Temperature: 170.0 Deg. F
- Start to Open Temperature: 76.67 Deg. C
- Jiggle Pin Weep Hole: Yes
- Type: UltraStat
- Seal Type: O-Ring
- Seal Material: Rubber
- Height Between Flanges: 1.65 in
- Height Between Flanges: 41.91 mm
- Seal Quantity: 1
Interchanges:
- Advance 5658-170
- Cartek 5658-170
- MotoRad 5658-170
- NAPA 170-8565
- NAPA 170-8565
- NAPA 170-8565
- OReilly MU56587
Applications:

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