Gates 33489 Engine Coolant Thermostat

Gates OE Type Thermostat 33489

Gates OE Type Thermostat 33489 is built for precise engine temperature control and a leak-free, OEM-equivalent fit. It is a direct replacement for a wide range of import and domestic applications, including Kia Rio, Mazda Protege, and Dodge Caravan cooling system service.

Key Features

• OE Type Thermostat design for factory-style temperature regulation
• Start-to-open temperature: 192-194°F / 89-90°C
• Offset reverse poppet construction for OE-style flow control
• Stainless steel and copper materials for durable cooling system performance
• Jiggle pin weep hole included for air bleeding during service
• OE Performance comparison rating for factory-level replacement expectations
• Gates part number 33489 for easy catalog matching

Product Details

The Gates OE Type Thermostat line focuses on accurate coolant flow control and consistent opening characteristics. Part number 33489 uses an offset reverse poppet design with a jiggle pin weep hole, helping the cooling system reach and maintain the proper operating range. This thermostat is a practical OE-style replacement for vehicles that need stable temperature management, including applications such as 2003-2005 Kia Rio, 1991-1996 Ford Escort, and 1986-2000 Dodge Caravan.

This part cross-references Four Seasons 33489 for the same application.

What It Helps Address

• Engine running too cool or too hot
• Slow warm-up after cold starts
• Temperature fluctuation during stop-and-go driving
• Cooling system service on aging OE thermostats
• Fitment issues caused by non-OE replacement dimensions

Installation Notes and Tips

Verify the thermostat housing, sealing surface, and coolant condition before installation. The listed fitment includes OE temperature and alternate temperature applications, so confirm the correct opening temperature for the vehicle before ordering. Use proper coolant bleeding procedures after installation, especially on systems that benefit from the jiggle pin weep hole for air evacuation. Compatible With 2003-2005 Kia Rio, 2000-2004 Kia Spectra, 2001-2004 Mazda Miata, and other listed applications.

Quality Assurance

Gates engineers this OE Type Thermostat to deliver OEM-equivalent fit and precise temperature control. The 33489 is built to meet OE-style expectations for cooling system service across the listed vehicle applications.