Gates 34811 OE Type Engine Coolant Thermostat

The Gates 34811 is an OE Type engine coolant thermostat engineered to maintain optimal engine temperature and provide precise coolant flow control. This thermostat features an offset reverse poppet design that opens at 180°F (82°C) to regulate engine cooling efficiently and prevent overheating.

Key Features:

• Constructed from durable steel and copper for corrosion resistance and long service life
• Factory-calibrated for accurate opening and closing regardless of pressure changes
• Includes jiggle pin weep hole for air venting to improve cooling system performance
• O-ring seal type with two seals to prevent coolant leaks
• OEM fit, function, and design for precise engine cooling
• Flange diameter: 1-7/8 inches; Height: 1-11/16 inches; Depth from flange: 0.98 inches

Gates OE Type thermostats are designed to meet original equipment specifications, ensuring reliable temperature regulation and leak-free operation. This direct replacement thermostat helps reduce engine wear, increase fuel efficiency, diminish emissions, and accelerate engine warm-up while preventing overheating damage.