EVIL ENERGY Thermostat Housing Assembly 55565336 – 1.4L Compatibility for Buick Encore, Chevy Sonic, Trax, Cruze

Premium thermostat housing replacement for 1.4L engines

The EVIL ENERGY Thermostat Housing Assembly is designed as a direct, drop-in upgrade for the coolant system. Built to align with OE specs, it helps restore the engine’s cool-down path and maintain steady temperatures along your daily drive. By matching critical fitment and internal geometry, it supports a clean seal and reliable coolant flow without the guesswork of aftermarket trials.

Compatibility and key specs

This kit targets popular 1.4L GM applications and related models, offering a practical option when servicing Buick Encore, Chevrolet Sonic, Trax, and Cruze families. The assembly covers a range of OE references to simplify replacement and inventory planning.

• Replaces OE part numbers: 55565336, 55579010, 55593034, 34709, 902-808, 730-221, 85993, 25200455, 131-180.
• Operating temperature: Thermostat opens at 217.4°F (approximately 102°C), supporting timely warm-up and regulated cooling flow.
• Function: Blocks coolant flow to the radiator until the engine reaches operating temperature, potentially reducing wear, deposits, and emissions over time.

What’s included

• Thermostat x 1
• Rubber gasket x 1
• Plastic housing x 1
• Nitrile gloves x 1

Fitment snapshots and real-world use

Engineered to be a straightforward replacement, this assembly offers a snug fit and a clean surface interface with the surrounding cooling components. It is well-suited for routine maintenance, compact engine bays, and scenarios where restoring a reliable warm-up path is part of the plan. Expect smoother engine warm-ups, steadier temperature management during idle and under load, and a more consistent cooling cycle when the system cycles between forward driving and rest periods.

Real-life use cases include customer projects involving cooling system refreshes, preventive maintenance during model-specific service intervals, and quick-turn replacements where downtime matters. The kit’s included gasket and glove set are meant to simplify handling and reduce the chance of a late-night misfit hunt.

Why choose EVIL ENERGY

EVIL ENERGY designs components that mirror OEM layouts while emphasizing ease of installation and dependable performance. This thermostat housing assembly is positioned as a practical upgrade for 1.4L engines, with attention to fitment, seal quality, and a complete replacement kit that minimizes extra shopping steps. While results can vary with vehicle condition and driving style, the part is intended to support a consistent cooling path and a refreshed engine cooling loop.

If you’re maintaining or restoring a 1.4L Buick Encore, Chevy Sonic, Trax, or Cruze family vehicle, this kit offers a well-rounded option that respects OE geometry and the essential operating temperature for efficient thermal management.