Gates 33489 Engine Coolant Thermostat

Reliable Engine Cooling with Gates OE Type Thermostat 33489

The Gates OE Type Thermostat 33489 is engineered to maintain optimal engine temperature for a wide range of vehicles including Toyota 4Runner, Honda Accord, and Dodge Caravan. 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
• Offset reverse poppet design for precise temperature regulation
• Start to open temperature between 192°F and 194°F for effective cooling
• Includes a jiggle pin weep hole to prevent air lock
• Compatible with multiple makes and models such as Chrysler, Ford, Mazda, and Hyundai

Detailed Features and Specifications

The Gates OE Type Thermostat 33489 features an offset reverse poppet design that allows for accurate and reliable engine temperature control. Its stainless steel and copper construction provides resistance to corrosion and wear, ensuring long service life. The thermostat starts to open at approximately 192 to 194 degrees Fahrenheit, which helps maintain optimal engine operating temperature and prevents overheating. The sealing flange outside diameter measures 2.05 inches, with a flange thickness of 0.05 inches, and the height between flanges ranges from 0.82 to 1.05 inches. Additionally, the thermostat includes one jiggle pin weep hole to facilitate air bleeding and improve coolant flow efficiency.

About the OE Type Thermostat Product Line

The OE Type Thermostat line by Gates is designed to meet original equipment (OE) performance standards, providing a direct replacement for factory-installed thermostats. This ensures compatibility and reliable operation across various vehicle makes and models. The 33489 part number is part of this line, offering consistent quality and fitment for vehicles such as the Toyota 4Runner, Honda Accord, and Dodge Caravan.

Applications and Common Issues Addressed

• Prevents engine overheating by regulating coolant flow
• Eliminates engine temperature fluctuations for smoother operation
• Resolves coolant leaks caused by worn or damaged thermostats
• Helps avoid poor heater performance in cold weather
• Prevents engine damage due to improper thermostat function

Installation Notes and Tips

The Gates OE Type Thermostat 33489 does not include an installation tool, so appropriate tools should be used for removal and installation. Ensure the engine is cool before beginning installation to avoid injury. Verify the correct orientation of the thermostat with the jiggle pin positioned properly to allow air bleeding. Replace any gaskets or seals as needed, although this thermostat does not include gaskets. Follow vehicle-specific service manual instructions for torque specifications and installation procedures.

Quality Assurance and Warranty

This thermostat meets OE performance ratings, ensuring it matches the quality and specifications of original equipment parts. Manufactured with high-grade stainless steel and copper, it offers durability and corrosion resistance. While specific warranty details are not provided, Gates products typically come with manufacturer-backed quality assurance to support reliable operation.