Gates 34012 Engine Coolant Thermostat

Reliable Engine Cooling with Gates OE Type Thermostat 34012

The Gates OE Type Thermostat 34012 is engineered to maintain optimal engine temperature for select Saab and Subaru models. Designed with durable steel and copper materials, this thermostat ensures consistent performance and precise temperature regulation.

• Constructed from steel and copper for durability and heat resistance
• Reverse poppet design for efficient coolant flow control
• O-ring seal type for secure sealing and leak prevention
• Includes one jiggle pin weep hole to prevent air lock
• Start to open temperature at 172°F (78°C) for accurate engine temperature management
• Sealing flange outside diameter of 2.2 inches and height between flanges of 1.3 inches
• Compatible with Saab 9-2X and Subaru models including Baja, Forester, Impreza, Legacy, Outback, WRX, and WRX STI

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 34012 thermostat.

Product Details and Specifications

The Gates 34012 thermostat features a reverse poppet design that enhances coolant flow regulation, helping to maintain consistent engine operating temperatures. Its steel and copper construction offers resistance to corrosion and thermal stress. The thermostat includes a single O-ring seal and one jiggle pin weep hole, which aids in air bleeding to prevent overheating issues. With a start to open temperature of 172°F (78°C), it ensures timely coolant flow activation. The dimensions include a 2.2-inch sealing flange outside diameter and a 1.3-inch height between flanges, ensuring proper fitment in compatible Saab and Subaru engines.

Compatible Vehicles and Common Applications

• Saab 9-2X engine cooling system replacement
• Subaru Baja, Forester, Impreza, Legacy, Outback, WRX, and WRX STI thermostat replacement
• Resolving engine overheating due to thermostat failure
• Addressing inconsistent engine temperature regulation
• Replacing faulty or stuck thermostats causing poor heater performance

Installation Notes and Tips

The Gates 34012 thermostat does not include an installation tool, so using the appropriate factory or aftermarket tools is recommended for proper installation. Ensure the O-ring seal is correctly seated to prevent coolant leaks. Verify the jiggle pin is unobstructed to allow air to escape during the cooling system fill. Follow vehicle-specific service manual instructions for thermostat replacement to maintain system integrity.

Quality Assurance and Warranty

Gates OE Type Thermostats are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. While specific warranty details for part number 34012 are not provided here, Gates products typically come with a limited warranty against defects in material and workmanship. Refer to Gates’ official documentation for complete warranty information.