Gates 33238S Engine Coolant Thermostat

Gates Premium Thermostat 33238S Overview

The Gates Premium Thermostat 33238S is an engine coolant thermostat built for stable temperature control in a wide range of Ford, Lincoln, Mazda, Mercury, and Jaguar applications. It uses stainless steel, brass, and copper construction with an upgraded spring to help maintain consistent opening behavior under normal operating conditions.

For drivers searching for a 180 degree thermostat for Ford Explorer, Ford Edge, or Lincoln MKX applications, this premium thermostat provides an OE-temperature replacement with a bottom by-pass design and a jiggle pin weep hole for service-friendly coolant flow management.

Key Features

• Premium thermostat design for OE-temperature cooling system service
• Heavy-gauge stainless steel construction for improved corrosion resistance
• Brass and copper materials support durable thermal response
• Bottom by-pass design
• 180 degree start-to-open temperature
• Jiggle pin weep hole included in the thermostat design
• Fits applications that require the thermostat only, excluding the housing on select vehicles
• Gates part number 33238S for direct catalog lookup

Product Details

Gates Premium Thermostat 33238S is engineered for vehicles that call for a 180 degree engine coolant thermostat, including many Ford Explorer, Ford Flex, Ford Edge, Lincoln MKT, Lincoln MKX, Mazda 6, and Mercury Milan applications. The upgraded spring helps improve temperature stability during normal operation, while the stainless steel construction adds corrosion resistance for long-term cooling system service. This part cross-references Four Seasons 33238 for the same application.

Common Cooling System Issues It Can Address

• Engine running cooler or warmer than the specified operating range
• Delayed coolant circulation after cold starts
• Temperature fluctuation during normal driving
• Cooling system service on vehicles that require a thermostat without the housing
• Replacement for worn thermostat components in high-mileage Ford, Lincoln, Mazda, Mercury, and Jaguar models

Installation Notes and Fitment

Compatible With 2019 Ford Explorer, N/A; 2011-2013 Ford Explorer, N/A; 2013-2019 Ford Flex, N/A; 2014-2019 Lincoln MKT, N/A; 2011-2018 Ford Edge, N/A; 2013-2018 Ford Taurus, N/A; 2007-2018 Lincoln MKX, N/A; 2010-2016 Lincoln MKS, N/A; 2009-2013 Mazda 6, N/A; 2006-2012 Ford Fusion, N/A; and additional listed applications through 1995.

Verify the housing configuration before ordering, since several applications note exclusions for the housing or specify use without housing. Confirm the 180 degree temperature requirement and match the bottom by-pass design to the original part before installation. Gates part number 33238S is also listed for select Ford Explorer and Lincoln MKT service applications.

Quality Assurance

Gates Premium Thermostats are built with corrosion-resistant metal construction and an upgraded spring for consistent temperature control under normal operation conditions. The 33238S is cataloged as a premium thermostat for OE-style cooling system service across multiple vehicle platforms.