Gates 33469S Engine Coolant Thermostat

Reliable Engine Cooling with Gates Premium Thermostat 33469S

The Gates Premium Thermostat 33469S is engineered to maintain optimal engine temperature for Ford, Lincoln, and Mercury vehicles. Designed with durable stainless steel and copper materials, this engine coolant thermostat ensures consistent performance and longevity.

• Constructed from stainless steel and copper for durability
• Bottom by-pass design with a jiggle pin weep hole for efficient coolant flow
• Start to open temperature at 192°F (89°C) for precise engine temperature regulation
• Sealing flange outside diameter of 2.13 inches and height between flanges of 1.29 inches
• Compatible with multiple Ford, Lincoln, and Mercury models including F-150, Explorer, Crown Victoria, and more

Detailed Features and Specifications

The Gates Premium Thermostat 33469S features a bottom by-pass design that allows coolant to circulate even when the thermostat is closed, preventing hot spots and promoting even engine temperature. The inclusion of a jiggle pin weep hole helps release trapped air, improving cooling system efficiency. With a start to open temperature of 192°F (89°C), this thermostat activates at the correct time to maintain engine performance and prevent overheating. Its stainless steel and copper construction provides corrosion resistance and durability under high-temperature conditions. The sealing flange outside diameter measures 2.13 inches, and the height between flanges is 1.29 inches, ensuring a precise fit in the cooling system.

About the Gates Premium Thermostat Product Line

The Premium Thermostat line by Gates focuses on delivering reliable temperature control components designed for demanding automotive applications. This product line emphasizes quality materials and precise engineering to meet or exceed OEM specifications. The 33469S thermostat is part of this line, offering a robust solution for maintaining engine temperature in Ford, Lincoln, and Mercury vehicles.

Compatible Vehicles and Common Applications

• Ford F-150, F-250, F-350, and Expedition models
• Lincoln Navigator, Mark LT, and Town Car
• Mercury Mountaineer and Grand Marquis
• Ford Econoline series including E-150, E-250, and E-350 variants
• Ford Explorer, Mustang, and Excursion

Issues Addressed by the Gates 33469S Thermostat

• Engine overheating due to thermostat failure
• Poor engine warm-up times affecting fuel efficiency
• Coolant flow restrictions causing uneven engine temperature
• Corrosion and wear in cooling system components
• Air trapped in the cooling system reducing performance

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 dimensions and by-pass flange diameter (1.02 inches) to confirm compatibility with your vehicle’s cooling system. Properly bleed the cooling system after installation to remove air pockets, utilizing the jiggle pin weep hole feature for optimal coolant flow.

Quality Assurance and Warranty

Gates Premium Thermostats are manufactured to meet strict quality standards, using corrosion-resistant materials like stainless steel and copper. While specific warranty details for part number 33469S are not provided, Gates products typically come with a limited warranty against defects in material and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.