Gates 33419 Engine Coolant Thermostat

Reliable Engine Cooling with Gates OE Type Thermostat 33419

The Gates OE Type Thermostat 33419 is engineered to maintain optimal engine temperature for select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Designed with durable stainless steel and copper materials, this engine coolant thermostat ensures consistent performance and longevity.

• Constructed from stainless steel and copper for durability
• Bottom by-pass design for efficient coolant flow
• O-ring seal type for secure sealing without leaks
• Start to open temperature at 195°F (91°C) for precise temperature control
• Compatible with Buick Cavalier, Chevrolet Corsica, Oldsmobile Firenza, Pontiac Skyhawk, and Tempest

About the Gates OE Type Thermostat Product Line

The OE Type Thermostat line by Gates is designed to meet original equipment performance standards. This ensures that the thermostat 33419 matches the specifications and functionality of the factory-installed part, providing reliable engine temperature regulation and compatibility with the vehicle's cooling system.

Detailed Product Description

The Gates 33419 thermostat features a bottom by-pass design that allows coolant to circulate through the engine even when the thermostat is closed, preventing hot spots and promoting even temperature distribution. The thermostat’s sealing flange outside diameter measures approximately 1.72 to 1.81 inches, with a height between flanges around 1.52 to 1.53 inches, ensuring a precise fit. The overall height ranges from 2.17 to 2.3 inches, with a flange thickness of 0.05 inches. It uses a single O-ring seal to maintain a tight seal and prevent leaks. This thermostat does not include a jiggle pin or weep hole, focusing on a straightforward, reliable design. The start to open temperature is calibrated at 195°F (91°C), which is critical for maintaining proper engine operating temperature and preventing overheating or overcooling.

Applications and Common Issues Addressed

• Prevents engine overheating by regulating coolant flow
• Helps avoid poor heater performance due to thermostat failure
• Reduces engine warm-up time for improved efficiency
• Eliminates coolant leaks caused by worn or damaged seals
• Maintains consistent engine temperature for optimal performance

Installation Notes and Tips

When installing the Gates OE Type Thermostat 33419, ensure the sealing surfaces are clean and free of debris. The thermostat should be installed with the bottom by-pass design oriented correctly to allow proper coolant flow. Use a compatible O-ring seal and avoid using additional gaskets, as this part does not include any. No special installation tools are required, but following manufacturer torque specifications for the housing bolts is recommended to prevent leaks or damage.

Quality Assurance and Warranty

Gates OE Type Thermostats are manufactured to meet or exceed original equipment standards, providing reliable performance and durability. The 33419 thermostat carries an OE comparison rating, ensuring it matches factory specifications. While specific warranty details are not provided, Gates products typically come with a limited warranty against defects in materials and workmanship.