Gates 33798 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Toyota, Lexus, and Scion Vehicles

The Gates OE Type Thermostat 33798 is engineered to maintain optimal engine temperature for a range of Toyota, Lexus, and Scion models. Designed with durable steel and copper materials, this thermostat ensures consistent performance and precise temperature regulation.

• Material: Steel and copper construction for durability
• Design: Bottom by-pass type for efficient coolant flow
• Start to open temperature: 180°F (82°C) for accurate thermal control
• Sealing flange outside diameter: 2.2 inches
• Height between flanges: 1.1 inches
• By-pass flange diameter: 1.11 inches
• OE Type Thermostat line ensures original equipment performance

Detailed Features of the Gates OE Type Thermostat 33798

This engine coolant thermostat is part of the Gates OE Type Thermostat product line, which is designed to meet original equipment specifications for reliable engine temperature management. The thermostat features a bottom by-pass design that allows coolant to circulate efficiently when the thermostat is closed, helping to prevent engine overheating and improve warm-up times. Constructed from steel and copper, the thermostat offers corrosion resistance and long service life. The precise opening temperature of 180°F (82°C) ensures the engine operates within the ideal temperature range, supporting fuel efficiency and emissions control.

Compatible Vehicles and Applications

This thermostat is compatible with various Toyota, Lexus, and Scion models, including but not limited to:

• Toyota 4Runner, Hilux, Prius, Tacoma, T100, Supra, Previa, Yaris, Yaris iA, Yaris R
• Lexus GS300, IS300, SC300
• Scion Echo, iA, xA, xB

Use the Gates OE Type Thermostat 33798 to replace faulty or worn thermostats in these vehicles to maintain proper engine temperature regulation.

Common Issues Addressed by This Thermostat

• Engine overheating due to thermostat failure
• Poor engine warm-up performance
• Inconsistent coolant flow causing temperature fluctuations
• Reduced fuel efficiency from improper engine temperature
• Potential engine damage from prolonged overheating

Installation Notes and Tips

The Gates OE Type Thermostat 33798 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 to confirm fitment. It is recommended to replace the thermostat gasket during installation, although this part does not include gaskets. Follow vehicle-specific service manual instructions for proper installation procedures.

Quality Assurance and Warranty

The Gates OE Type Thermostat 33798 is manufactured to meet OE performance standards, ensuring reliable operation and durability. Gates provides quality assurance through rigorous testing and material selection. Please consult product documentation or contact the manufacturer for specific warranty details.