Gates 34808 Engine Coolant Thermostat - Engine or Rear

Reliable Engine Coolant Thermostat for Toyota, Subaru, and Scion

The Gates OE Type Thermostat 34808 is engineered to maintain optimal engine temperature for select Toyota, Subaru, and Scion models. Designed with durable steel and copper materials, this thermostat ensures precise temperature regulation and reliable performance in your vehicle's cooling system.

• Constructed from steel and copper for durability and heat resistance
• OE Type Thermostat design with bottom by-pass for efficient coolant flow
• Sealing flange outside diameter of 2.2 inches and height of 2.12 inches
• Features a jiggle pin weep hole and O-ring seal for leak prevention
• Starts to open at 192°F (89°C) to maintain proper engine temperature
• Compatible with Toyota 86, Subaru BRZ, Crosstrek, Forester, WRX, and more

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 control and compatibility with factory cooling systems. This product line focuses on precise fitment and performance, making it suitable for vehicles requiring exact replacement parts like the Gates 34808 thermostat.

Detailed Product Description

The Gates 34808 engine coolant thermostat 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. Its steel and copper construction offers resistance to corrosion and thermal stress. The thermostat includes a single O-ring seal and a jiggle pin weep hole to ensure proper venting and prevent air locks in the cooling system. With a sealing flange diameter of 2.2 inches and a height of 2.12 inches, it fits precisely in the cooling housing. This thermostat starts to open at 192°F (89°C), which is critical for maintaining optimal engine operating temperature in vehicles such as the Subaru WRX, Toyota FR-S, and Scion 86.

Common Applications and Issues Addressed

• Prevents engine overheating by regulating coolant flow
• Eliminates engine temperature fluctuations and hot spots
• Resolves coolant leaks caused by worn or damaged thermostats
• Improves engine warm-up time and fuel efficiency
• Prevents coolant bypass issues in Subaru, Toyota, and Scion models

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 gasket condition and replace if necessary, as this product does not include gaskets. Properly seat the O-ring seal to prevent leaks. The jiggle pin weep hole should be oriented correctly to allow air to escape from the cooling system during installation.

Quality Assurance and Warranty

The Gates OE Type Thermostat 34808 is manufactured to meet OE performance standards, ensuring reliable operation and fitment. Gates products typically come with a limited warranty against defects in materials and workmanship. For specific warranty details, refer to the manufacturer’s documentation or contact the supplier.