Gates 33339 Engine Coolant Thermostat

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

The Gates OE Type Thermostat 33339 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 durable stainless steel and copper materials, this thermostat ensures consistent performance and longevity.

• Constructed from stainless steel and copper for durability
• OE Type Thermostat design with bottom by-pass
• Start to open temperature at 195°F (91°C) for precise engine temperature control
• Sealing flange outside diameter of 2.05 inches
• Height between flanges approximately 1.37 to 1.4 inches
• By-pass flange diameter of 1.09 inches
• Compatible with Ford, Mazda, Mercury, and Toyota models
• Part number 33339 for accurate replacement

About the Gates OE Type Thermostat Product Line

The OE Type Thermostat line by Gates is designed to meet original equipment specifications, providing reliable engine temperature regulation. This product line focuses on precise fitment and performance, ensuring compatibility with specific vehicle makes and models. The 33339 thermostat features a bottom by-pass design that supports efficient coolant flow and temperature management consistent with OE standards.

Detailed Product Description

The Gates 33339 engine coolant thermostat is crafted from high-quality stainless steel and copper, materials known for their resistance to corrosion and heat. Its bottom by-pass design allows coolant to circulate even when the thermostat is closed, preventing hot spots and promoting even engine temperature. The thermostat starts to open at 195°F (91°C), which aligns with factory specifications for the supported vehicles. With a sealing flange outside diameter of 2.05 inches and a by-pass flange diameter of 1.09 inches, this thermostat fits securely within the cooling system. The height between flanges ranges from 1.37 to 1.4 inches, ensuring proper installation and sealing without the need for additional gaskets or seals.

Common Applications and Issues Addressed

• Prevents engine overheating by regulating coolant flow
• Eliminates engine temperature fluctuations for smoother operation
• Resolves coolant bypass failures that cause inefficient cooling
• Replaces faulty or stuck thermostats in Ford Escape, Mazda RX-7, Mercury Cougar, and Toyota 4Runner
• Helps maintain optimal engine performance and fuel efficiency

Installation Notes and Tips

This thermostat does not include an installation tool, so ensure you have the appropriate tools for removal and installation. Verify the sealing flange and by-pass flange dimensions to confirm fitment. The part number 33339 is designed for direct replacement in compatible vehicles, so no modifications are necessary. Check for any coolant leaks after installation and ensure the thermostat housing is properly sealed.

Quality Assurance and Warranty

The Gates OE Type Thermostat 33339 meets OE performance standards, providing reliable temperature control for your vehicle’s cooling system. Manufactured with precision materials and tested for durability, this thermostat supports consistent engine operation. While specific warranty details are not provided, Gates products typically adhere to industry quality standards for automotive replacement parts.