Automotive Thermostats

Stant produces innovative, long life design thermostats to fit the needs of today’s internal combustion engines. Due to the leading edge technology, most OEM gas and diesel engine manufacturers rely on Stant cooling system products.
Design Features:
  • Sizes and configurations to meet diverse cooling systems requirements
  • Wide range of wax development capabilities to accommodate customer-specific temperature requirements
  • Engine cooling thermostats configured for inlet or outlet cooling systems
  • Patented Wier valve, rubber valve, and EPDM Rubber coated valves for very low, highly efficient cooling systems; metal valves for low cost systems
  • Integrated (jiggle pin) venting to support flow to the cooling system
  • Unique element design ensures extended product life
  • Stamped and machined components (flanges, frames, cups, covers and valves) optimized for strength and durability to meet heavy duty demand
  • Diverse offering of valve and spring options for bypass cooling control
Engineering Test Lab Capabilities
100% in-house test capabilities to OEM requirements including:
  • Life cycle durability testing
  • Cold pressure cycle durability testing
  • Extreme temperature/pressure cycle testing
  • High temperature effects testing
  • Thermostat/TOV functionality testing
  • Thermostat/TOV hysteresis and response time testing
  • Oil flow dynamic testing
  • Water/Coolant flow dynamic testing
  • Automated data acquisition for hysteresis and flow testing
  • Rapid actuation thermostat/TOV testing
  • Spring, valve, flange, and frame fatigue testing
  • Seal durability life cycle testing
  • Vibration testing
  • Leakage testing
  • Fluid immersion testing; corrosion and erosion testing
Prototype Capabilities:
  • Complete prototype fabrication
  • Machine Development—fabrication of manufacturing and laboratory equipment
  • SLA rapid prototyping