Thermostat - UltraStat
5281-170
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:
- Outlet Outside Diameter: 1.71 IN
- Prop 65: WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
- Valve Outside Diameter: 1.34 IN
- Jiggle Pin Check Valve Quantity: 1
- Bypass Flange Length: 0.87 in
- Flange Height: 0.05 in
- Bypass Flange Length: 22.00 mm
- Includes Jiggle Pin Check Valve: Yes
- Flange Height: 1.27 mm
- Design: Standard
- Bypass Flange Diameter: 1.14 in
- Bypass Flange Diameter: 29.00 mm
- Engine Coolant Thermostat Quantity: 1
- Seal Quantity: 0
- Electric: No
- Depth: 1.77 in
- Depth: 44.96 mm
- Seal Material: N/A
- Installation Tool Included: No
- Start to Open Temperature: 170.0 Deg. F
- Start to Open Temperature: 76.67 Deg. C
- Flange Thickness: 0.05 in
- Flange Thickness: 1.27 mm
- Material: Stainless Steel
- Sealing Flange Outside Diameter: 2.20 in
- Sealing Flange Outside Diameter: 55.88 mm
- Color: Silver
- MAP Controlled: No
- Grade Type: OEM
- Gasket Or Seal Required: Yes
- Gasket or Seal Pre-Installed: No
- Height Between Flanges: 1.73 in
- Height Between Flanges: 44.00 mm
- Height: 2.44 in
- Height: 61.98 mm
- Jiggle Pin Weep Hole: Yes
- Type: UltraStat
- Bolt Hole Quantity: 0
- Gasket Quantity: 0
- Gasket Or Seal Included: No
Interchanges:
- Advance 5281-170
- AETM 46077
- Cartek 5281-170
- Gates (Private) 33867S
- MotoRad 5281-170
- NAPA 170-1825
- NAPA 170-1825
- NAPA 170-1825
- OReilly MU55077
- Pep Boys 5281-170
- Stant 46077
Applications:

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