Aluminum Engine Coolant Thermostat for Chevrolet Cruze, Trax, Sonic

Engine cooling is critical for performance and longevity. This Aluminum Engine Coolant Thermostat is a direct-fit replacement designed for 1.4L Chevrolet Cruze, Trax, Sonic, and Buick Encore applications. Crafted from durable aluminum with PA66-GF30 reinforcement, it delivers reliable regulation of coolant flow to help prevent overheating and promote efficient warm-up. The thermostat opens at 103°C to provide consistent cooling under a range of driving conditions. OE numbers supported include 55593034, 55579010, 55565336, 820015589, and 25200455, with an interchangeable reference for Buick Encore. Compatibility is provided for reference; please confirm your OE number before ordering.

Main description

This thermostat assembly is engineered to maintain optimal engine temperatures across daily commuting and demanding driving scenarios. By ensuring a steady coolant flow when the engine reaches operating temperature, it helps reduce thermal stress, protects engine components, and supports better fuel efficiency. The PA66-GF30 reinforced housing and aluminum construction offer strong heat resistance and durability in challenging environments, contributing to a longer service life compared to lower-grade materials.

Benefits & Tips

• Faster, more predictable warm-up in cold weather due to reliable opening at 103°C.
• Stable cooling performance with durable aluminum construction that handles repeated heat cycles.
• Direct-fit replacement—verify OE numbers (55593034, 55579010, 55565336, 820015589, 25200455) to ensure proper compatibility.

Product specifications

• Material: Aluminum (Thermostat Assembly with PA66-GF30 reinforcement)
• Opening temperature: 103°C
• OEM Numbers: 55593034, 55579010, 55565336, 820015589, 25200455
• Interchange Part Number: Fits Buick Encore
• Origin: Mainland China
• Manufacturer: Hongwin Auto Parts Co., Ltd.
• Compatibility (references): 2013-2020 Buick Encore 1.4L; 2011-2015 Chevy Cruze 1.4L; 2016 Chevy Cruze Limited 1.4L; 2012-2020 Chevy Sonic 1.4L; 2015-2020 Chevy Trax 1.4L
• Special features: Thermostat Assembly, PA66-GF30

Package includes:

• Thermostat assembly

Warnings / Reminders

Compatibility is provided for reference—please confirm your OE number before purchase. Ensure the part matches your vehicle’s cooling system requirements and follow proper installation procedures. For EU customers, note applicable warranty terms and local regulations.

All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

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