Stant 14990 Engine Coolant Thermostat

OE Type Thermostat for Ford and Mazda Applications

Stant 14990 is an engine coolant thermostat built to OE-type specifications for precise temperature control in the cooling system. It opens at 192 degrees Fahrenheit and uses a stainless steel assembly for smooth operation and long service life.

Compatible With 2000-2004 Ford Focus, 1997-2002 Ford Escort, 1998-2001 Ford Ranger, 1998-2001 Mazda B2500, 1997-1999 Mercury Tracer, and 1998 Ford F-100 Ranger. The Stant OE Type Thermostat line focuses on original equipment-style fit and function for direct replacement service.

Key Features

• OE Type Thermostat from Stant
• Part number 14990
• 192 degree Fahrenheit opening temperature
• Stainless steel assembly for consistent movement
• Durable construction for extended service life
• Flange diameter with seal: 1.44 in
• Flange diameter without seal: 1.495 in
• Height from flange to bottom: 0.9 in
• Height from flange to top of bridge: 0.3 in

Product Details

This Stant 14990 thermostat is engineered as an original equipment design replacement for vehicles that require a 192 degree thermostat. It helps regulate engine coolant flow so the engine reaches and maintains the intended operating temperature. For Ford Focus, Ford Escort, Ford Ranger, Mazda B2500, Mercury Tracer, and Ford F-100 Ranger applications, the OE-style design supports proper cooling system operation with a stainless steel internal assembly and a seal-included fitment note for listed vehicles.

This part cross-references 45990 for the same application.

Common Cooling System Issues

• Engine running cooler or warmer than specified
• Delayed warm-up after a cold start
• Temperature fluctuations during normal driving
• Cooling system service on a worn thermostat
• Replacement of an OE-style thermostat in listed Ford and Mazda models

Installation Notes

Verify the thermostat housing and sealing surface are clean before installation. Match the 192 degree temperature rating and confirm flange dimensions against the original part before assembly. Use the vehicle-specific fitment notes for the exact application on your Ford Focus, Ford Escort, Ford Ranger, Mazda B2500, Mercury Tracer, or Ford F-100 Ranger.

Quality Assurance

Stant builds this OE Type Thermostat with an original equipment design and stainless steel assembly for dependable cooling system performance. The durable material construction is intended to provide long service life in daily driving conditions.