Gates 33329 Engine Coolant Thermostat

Reliable Engine Cooling with Gates OE Type Thermostat 33329

The Gates OE Type Thermostat 33329 is engineered to maintain optimal engine temperature for a range of GM vehicles. Designed with durable steel, brass, and copper materials, this engine coolant thermostat ensures consistent performance and longevity in your Buick, Chevrolet, GMC, and other compatible models.

• Constructed from steel, brass, and copper for durability
• Bottom by-pass design for efficient coolant flow
• Start to open temperature at 195°F (91°C) for precise engine regulation
• Sealing flange outside diameter of 1.72 inches
• Height between flanges measures 1.38 inches
• OE Type Thermostat line ensures original equipment performance
• Compatible with multiple GM makes and models including Chevrolet Silverado 2500 HD and Buick Century

Detailed Features of the Gates OE Type Thermostat 33329

This thermostat features a bottom by-pass design that allows coolant to circulate efficiently during engine warm-up, reducing wear and improving fuel efficiency. The thermostat opens at 195°F (91°C), maintaining the engine within the ideal temperature range. Its construction from steel, brass, and copper provides resistance to corrosion and thermal stress, ensuring reliable operation over time. The sealing flange outside diameter of 1.72 inches and height between flanges of 1.38 inches are designed to match OE specifications for a precise fit.

About the OE Type Thermostat Product Line

The Gates OE Type Thermostat line is designed to meet original equipment performance standards, providing a direct replacement for factory-installed thermostats. This product line focuses on exact fitment and reliable temperature control, making it suitable for a wide range of GM vehicles. The 33329 thermostat maintains the balance between engine protection and efficient cooling, consistent with OE requirements.

Compatible Vehicles and Common Applications

• Buick Century, Skylark, and Regal
• Chevrolet Silverado 2500 HD, Avalanche 2500, and Impala
• GMC Sierra 2500 HD, Yukon XL 2500, and Savana 3500
• Cadillac models including CTS and Escalade
• Oldsmobile Cutlass and Pontiac Grand Prix

Common Issues Addressed by This Thermostat

• Engine overheating due to thermostat failure
• Poor fuel economy from improper engine temperature regulation
• Coolant circulation problems causing engine wear
• Delayed engine warm-up affecting heater performance
• Inconsistent engine temperature leading to emission issues

Installation Notes and Tips

The Gates OE Type Thermostat 33329 does not include an installation tool, so ensure you have the appropriate tools for removal and installation. Verify the sealing flange and by-pass flange dimensions to confirm compatibility with your vehicle’s cooling system. Proper gasket replacement is recommended even though this thermostat does not include gaskets. Follow manufacturer torque specifications to avoid leaks or damage.

Quality Assurance and Warranty

Gates thermostats are manufactured to meet OE performance standards, ensuring reliable operation and fitment. The OE Type Thermostat 33329 is backed by Gates’ quality control processes, providing confidence in durability and function. Please refer to Gates’ official warranty policy for specific coverage details.