Gates 33498 Engine Coolant Thermostat

Overview

Gates OE Type Thermostat 33498 is an engine coolant thermostat built for precise temperature control and a leak-free, OEM-equivalent fit. It is specified for heavy-duty Ford, Chevrolet, and GMC applications that call for a 180-degree thermostat.

This thermostat uses a reverse poppet design with stainless steel and copper construction for consistent coolant regulation. The Gates 33498 is a direct-fit cooling system replacement for older commercial truck and medium-duty applications.

Key Features

• OE Type thermostat for factory-style cooling system service
• 180-degree start-to-open temperature for specified applications
• Reverse poppet design for controlled coolant flow
• Stainless steel and copper construction
• OE performance rating for fit and function

Detailed Description

Gates 33498 is an engine coolant thermostat engineered to match OE-style temperature regulation in compatible cooling systems. The reverse poppet design and metal construction support stable operation as coolant temperature rises, while the OEM-equivalent fit helps maintain proper sealing at the housing interface. This part number is commonly used across Ford B-600, F-600, and LN700 applications, as well as Chevrolet C60 and GMC C6000 platforms listed in the fitment data.

For buyers servicing older Ford and Chevrolet medium-duty trucks, Gates 33498 provides a straightforward replacement option when the cooling system requires a 180-degree thermostat. The part number 33498 is also referenced in interchange listings for related aftermarket applications.

What It Helps Solve

• Engine running too cool or too warm due to thermostat wear
• Delayed coolant flow control during warm-up
• Cooling system sealing issues at the thermostat housing
• Temperature regulation problems in 180-degree applications
• Replacement needs for older Ford, Chevrolet, and GMC truck cooling systems

Installation Notes

Verify the required temperature rating and fitment before installation. This thermostat is listed with no installation tool included and no gasket quantity specified in the product data. Confirm housing condition and coolant system cleanliness during service to support proper sealing and operation.

Quality Assurance

Gates OE Type Thermostats are engineered to provide precise temperature control and leak-free, OEM-equivalent fit. This part cross-references Monroe Shocks & Struts (e.g., 32238) and Motorad (e.g., 323-180) for the same application.