Stant 13979 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Ford, Mazda, Mercury, and Toyota

The Stant OE Type Thermostat 13979 is engineered to maintain optimal engine temperature for a range of vehicles including Ford Escape, Mazda RX-7, Mercury Cougar, and Toyota 4Runner. Designed with precise dimensions and a 195-degree Fahrenheit temperature rating, this thermostat ensures consistent coolant flow and engine performance.

• Bypass Plate Diameter: 1.092 inches
• Flange Diameter (Without Seal): 2.05 inches
• Height from Flange to Bottom: 1.36 inches
• Height from Flange to Top of Bridge: 0.78 inches
• Temperature Rating: 195 degrees Fahrenheit
• Freight Class: 70

About the Stant OE Type Thermostat Product Line

The OE Type Thermostat line by Stant is designed to meet original equipment specifications, providing reliable temperature regulation and fitment for specific vehicle models. This product line focuses on delivering thermostats that match factory dimensions and temperature ratings, ensuring proper engine warm-up and cooling system efficiency. The 13979 thermostat is part of this line, offering precise fit and function for select Ford, Mazda, Mercury, and Toyota vehicles.

Detailed Product Description

The Stant 13979 engine coolant thermostat features a 195-degree Fahrenheit temperature rating, which is critical for maintaining the correct engine operating temperature. Its bypass plate diameter of 1.092 inches and flange diameter of 2.05 inches (without seal) are designed to fit specific cooling system housings. The height measurements from flange to bottom (1.36 inches) and flange to top of bridge (0.78 inches) ensure proper installation and sealing within the thermostat housing. This thermostat is compatible with various models such as the Ford Escape and Taurus, Mazda RX-7, Mercury Cougar, and Toyota 4Runner and Pickup, providing consistent engine temperature control to prevent overheating or inefficient fuel consumption.

Common Applications and Issues Addressed

• Regulates engine temperature to prevent overheating
• Ensures proper coolant flow through the engine
• Prevents engine wear caused by running too cold or too hot
• Helps maintain fuel efficiency by stabilizing engine temperature
• Replaces faulty or stuck thermostats causing engine performance issues

Installation Notes and Tips

When installing the Stant 13979 thermostat, ensure the engine is cool before removal. Verify the thermostat orientation matches the original part, paying attention to the bypass plate and flange dimensions for proper fit. Replace the gasket or seal to prevent leaks and torque bolts to manufacturer specifications. Bleed the cooling system after installation to remove air pockets and ensure optimal coolant circulation.

Quality Assurance and Warranty

Stant OE Type Thermostats are manufactured to meet or exceed OEM standards, ensuring durability and reliable performance. The 13979 thermostat undergoes rigorous quality control to maintain consistent temperature regulation and fitment. While specific warranty details may vary, Stant products typically include a limited warranty against defects in materials and workmanship.