Stant 14687 Engine Coolant Thermostat
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Stant
 OE Type Thermostat

Stant 14687 Engine Coolant Thermostat

Brand Stant 14687
Bypass Plate Diameter (in) 1.11
Flange Diameter (Without Seal) (in) 2.52
Freight Class 70
Height from Flange to Bottom (in) 1.26
Height from Flange to Top of Bridge (in) 0.98
Temperature (F) 170 Degrees
Product line OE Type Thermostat
Fits INFINITI · 7 vehicles

OE type design. Original equipment design for a direct-fit coolant thermostat.

Stainless steel assembly. Engineered for smooth performance and long service life.

170-degree opening. Helps regulate coolant flow at the specified temperature.

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OE Type Thermostat for Infiniti Q45

Stant 14687 is an OE Type Thermostat built for precise engine coolant temperature control in 1990-1996 Infiniti Q45 applications. It is set to open at 170 degrees Fahrenheit and uses an original equipment design with a stainless steel assembly for smooth operation and durable service.

Key Features

  • OE Type Thermostat design for factory-style cooling system operation
  • 170 Degrees F opening temperature
  • Stainless steel assembly for consistent movement and long service life
  • Durable construction for daily cooling system use
  • Bypass plate diameter: 1.11 in.
  • Flange diameter without seal: 2.52 in.
  • Height from flange to bottom: 1.26 in.
  • Height from flange to top of bridge: 0.98 in.

Product Details

Stant OE Type Thermostat 14687 is engineered to match original equipment thermostat design requirements for the Infiniti Q45. The 170 degree calibration helps regulate coolant flow at the specified operating temperature, supporting stable engine warm-up and temperature control. For buyers searching for a 1990-1996 Infiniti Q45 engine coolant thermostat, this part number provides a direct OE-style solution with dimensions and construction suited to the application.

The Stant OE Type Thermostat line focuses on factory-style fit and dependable cooling system performance. In this application, Stant 14687 is a practical choice for drivers replacing a worn thermostat in a 1990 Infiniti Q45, 1991 Infiniti Q45, 1992 Infiniti Q45, 1993 Infiniti Q45, 1994 Infiniti Q45, 1995 Infiniti Q45, or 1996 Infiniti Q45.

What It Helps Address

  • Engine running too cool or taking too long to reach operating temperature
  • Temperature fluctuations caused by a sticking thermostat
  • Cooling system performance issues related to thermostat wear
  • Incorrect coolant flow control in the Infiniti Q45 cooling circuit
  • Replacement needs for an OE temperature thermostat in 1990-1996 Infiniti Q45 models

Installation Notes

Fits 1990-1996 Infiniti Q45, N/A. Temperature 170 Degrees; gasket not required, use silicone; OE temperature; OE type thermostat. Verify the cooling system is clean and the mating surfaces are prepared before installation. Follow the vehicle service procedure for coolant refill and air bleeding after replacement.

For fitment-based searches, this part is commonly referenced as a 1990-1996 Infiniti Q45 thermostat, Infiniti Q45 170 degree thermostat, and Stant 14687 OE Type Thermostat.

Quality Assurance

Stant builds this thermostat with an original equipment design and a stainless steel assembly to support smooth performance and durable service in the cooling system.

Related reading

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1996INFINITIQ45N/ATemperature 170 Degrees; Gasket not required, use silicone; OE Temperature; OE Type Thermostat
1995INFINITIQ45N/ATemperature 170 Degrees; Gasket not required, use silicone; OE Temperature; OE Type Thermostat
1994INFINITIQ45N/ATemperature 170 Degrees; Gasket not required, use silicone; OE Temperature; OE Type Thermostat
1993INFINITIQ45N/ATemperature 170 Degrees; Gasket not required, use silicone; OE Temperature; OE Type Thermostat
1992INFINITIQ45N/ATemperature 170 Degrees; Gasket not required, use silicone; OE Temperature; OE Type Thermostat
1991INFINITIQ45N/ATemperature 170 Degrees; Gasket not required, use silicone; OE Temperature; OE Type Thermostat
1990INFINITIQ45N/ATemperature 170 Degrees; Gasket not required, use silicone; OE Temperature; OE Type Thermostat