Thermostat - UltraStat
5655-188
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 Inside Diameter: 1.50 IN
- Outlet Outside Diameter: 1.61 IN
- Prop 65: WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
- Valve Outside Diameter: 1.6 IN
- Engine Coolant Thermostat Quantity: 1
- Bypass Flange Diameter: 1.4 in
- Bypass Flange Diameter: 35.56 mm
- Seal Quantity: 0
- Sealing Flange Outside Diameter: 2.4 in
- Sealing Flange Outside Diameter: 60.96 mm
- Gasket Or Seal Included: No
- Flange Thickness: 0.04 in
- Flange Thickness: 1.02 mm
- Jiggle Pin Check Valve Quantity: 1
- Bypass Flange Length: 0.8 in
- Bypass Flange Length: 20.32 mm
- Color: Silver
- Flange Height: 0.04 in
- Flange Height: 1.02 mm
- Gasket Quantity: 0
- Depth: 1.5 in
- Depth: 38.10 mm
- Includes Jiggle Pin Check Valve: Yes
- Seal Material: N/A
- Type: UltraStat
- Jiggle Pin Weep Hole: Yes
- Height Between Flanges: 1.5 in
- Height Between Flanges: 38.10 mm
- Bolt Hole Quantity: 0
- Gasket Or Seal Required: Yes
- Start to Open Temperature: 187.0 Deg. F
- Start to Open Temperature: 86.11 Deg. C
- Height: 2.4 in
- Height: 60.96 mm
- Material: Stainless Steel
- Installation Tool Included: No
- Grade Type: OEM
- Design: OEM
- Electric: No
- Gasket or Seal Pre-Installed: No
- MAP Controlled: No
Interchanges:
- Advance 5655-188
- Cartek 5655-188
- MotoRad 5655-188
- NAPA 188-5565
- NAPA 188-5565
- OReilly MU65588
Applications:

Need help finding the right product?
Our dedicated team is here to steer you in the right direction. Click below and let us know how we can assist you in finding the ideal product for your need. Your journey to experiencing BETTER starts here.
Looking for custom development?
We’re not just about products; we’re about crafting tailored solutions that match your needs. Are you ready to bring your new project to life? Click below, and let’s embark on the journey of custom product development together.






