Gates 33788 Engine Coolant Thermostat

Reliable Engine Cooling with Gates OE Type Thermostat 33788

The Gates OE Type Thermostat 33788 is engineered to maintain optimal engine temperature for select Buick, Cadillac, Chevrolet, and Pontiac vehicles. Designed with durable stainless steel and copper materials, this engine coolant thermostat ensures precise temperature regulation and reliable performance.

• Constructed from stainless steel and copper for durability and corrosion resistance
• OE type thermostat design with bottom by-pass for efficient coolant flow
• Sealing flange outside diameter approximately 2.12 to 2.13 inches for secure fit
• Height between flanges ranges from 1.43 to 1.51 inches for proper installation
• O-ring seal type ensures a tight, leak-free seal
• Start to open temperature at 180°F (82°C) for accurate engine temperature control
• Compatible with multiple GM models including Camaro, Caprice, Corvette, and Firebird

About the Gates OE Type Thermostat Product Line

The OE Type Thermostat line from Gates is designed to meet original equipment specifications, providing reliable temperature regulation and fitment for a range of GM vehicles. This product line focuses on precise engineering and quality materials to ensure consistent engine performance and longevity. The 33788 thermostat exemplifies this approach with its bottom by-pass design and robust construction.

Detailed Product Description

The Gates 33788 engine coolant thermostat features a bottom by-pass design that allows coolant to circulate even when the thermostat is closed, helping to prevent hot spots and improve engine warm-up times. Its stainless steel and copper construction offers resistance to corrosion and wear, extending the life of the thermostat. The sealing flange outside diameter of approximately 2.12 to 2.13 inches and height between flanges from 1.43 to 1.51 inches ensure a precise fit in the cooling system. The O-ring seal type provides a secure, leak-resistant connection. This thermostat starts to open at 180°F (82°C), maintaining optimal engine temperature for efficient operation.

Compatible Vehicles and Common Applications

• Buick models including Roadmaster and Fleetwood
• Cadillac Fleetwood and Commercial Chassis
• Chevrolet Camaro, Caprice, and Impala
• Pontiac Firebird and other compatible models
• Addresses issues such as engine overheating, poor heater performance, and inefficient coolant flow

Installation Notes and Tips

This thermostat does not include an installation tool, so ensure you have the proper tools for removal and installation. Verify the sealing flange dimensions and height to confirm compatibility with your vehicle’s cooling system. Properly inspect and clean the thermostat housing before installation to ensure a secure seal with the O-ring. Follow manufacturer torque specifications to avoid damage.

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 are not provided here, Gates products typically come with a limited warranty against defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.