Gates 33569S Engine Coolant Thermostat

Gates Premium Thermostat 33569S Overview

The Gates Premium Thermostat 33569S is an engine coolant thermostat built for stable temperature control in a wide range of Honda, Acura, Toyota, and Isuzu applications. It uses stainless steel and copper construction with an upgraded spring to help maintain consistent opening behavior under normal operating conditions.

Compatible With 2011-2015 Honda Civic and 2011-2015 Honda CR-Z, this premium thermostat is also listed for select Honda Fit, Insight, Accord, Prelude, CRX, Acura Integra, Acura CL, Acura EL, Honda Odyssey, Toyota Pickup, Toyota Corolla, and Isuzu Axiom applications. The 33569S part number is a direct reference for buyers searching for an OE-temperature thermostat replacement.

Key Features

• Premium thermostat design for engine coolant temperature regulation
• Heavy-gauge stainless steel construction for improved corrosion resistance
• Upgraded spring for more stable temperature control during normal operation
• 195 degree start-to-open temperature
• Offset bottom by-pass design
• Jiggle pin weep hole included for air bleeding during service
• Stainless steel and copper materials

Product Details

Gates Premium Thermostat 33569S is engineered for drivers who need accurate coolant flow control in OE-temperature applications. The thermostat opens at 195 degrees and uses an offset bottom by-pass layout, making it a direct-fit style solution for many Honda Civic, Honda Fit, and Acura Integra cooling system configurations. Gates Premium Thermostat line focuses on durable metal construction and spring stability to support consistent engine warm-up and operating temperature management.

This part cross-references Four Seasons 65879 and Stant 45879 for the same application.

Common Cooling System Issues It Can Address

• Engine running too cool or taking too long to reach operating temperature
• Temperature fluctuation caused by a worn thermostat spring
• Corrosion-related thermostat housing wear in the cooling system
• Coolant flow control problems affecting heater performance
• Check-engine concerns tied to thermostat performance on select Honda Civic and Honda CR-Z applications

Installation Notes and Tips

• Verify the 195 degree specification and offset bottom by-pass design before installation.
• Inspect the thermostat housing, sealing surfaces, and coolant condition during service.
• Use the jiggle pin weep hole orientation recommended for the application to help purge trapped air.
• Confirm vehicle-specific fitment for the exact year, make, and model before ordering.

Quality Assurance

Gates builds this Premium Thermostat with stainless steel construction and an upgraded spring to support corrosion resistance and temperature stability. The 33569S part number is listed across multiple OE-style replacement applications, including Honda Civic, Honda CR-Z, and other select import vehicles.