YzusGomumu Aluminium Thermostat Housing for Chevy 1.4L — Direct-Replacement, Corrosion-Resistant

This thermostat housing is made from corrosion-resistant aluminium alloy and designed as a bolt-in replacement for select Chevrolet and Buick 1.4L petrol engines. Built to match OEM mounting points and hose connections, it aims to reduce leaks and withstand higher thermal stress than many stock plastic housings. Check your vehicle’s part number compatibility before ordering to ensure a correct fit.

What vehicles and part numbers is this compatible with?

This assembly fits a range of GM small-displacement engines. It’s intended for model years and applications where the listed OEM numbers correspond to the factory thermostat housing.

• Compatible with Chevy Cruze 2011–2016 and Cruze Limited 2016 (1.4L L4 Gas).
• Fits Chevy Sonic 2012–2020 and Chevy Trax 2013–2020 (1.4L L4 Gas).
• Also fits Buick Encore 2013–2020 (1.4L L4 Gas).
• Cross-reference OEM: 25200455, 55565336, 55579010, 55593034, 34709, 902-808, 730-221.

How does the aluminium construction help my cooling system?

Aluminium provides stronger heat resistance and improved durability compared with many plastic housings. It’s less prone to deformation and cracking under repeated heating cycles, helping to maintain a reliable seal around the thermostat area.

• High thermal endurance reduces risk of warping at elevated engine temperatures.
• Improved corrosion and oxidation resistance extends component life.
• Maintains firm mounting and hose connections to help prevent leaks.

Will this part improve reliability and prevent failures?

By using a metal housing, you lower the likelihood of heat- or pressure-related failures common to brittle plastic parts. While no part can eliminate all failure modes, the aluminium housing reduces common causes such as cracking, deformation, and gasket leaks.

• Less likely to crack under thermal cycling than plastic equivalents.
• OEM-style design preserves proper thermostat seating and coolant flow.
• Helps avoid unexpected coolant loss that can cause overheating events.

What should I check before installing this thermostat housing?

Confirm part numbers and vehicle compatibility, inspect surrounding hoses and gaskets, and follow recommended torque values during installation. Replace any worn seals or clamps to ensure a leak-free fit when you install the new housing.

• Verify the OEM numbers against your vehicle’s parts list before purchase.
• Replace the thermostat gasket and coolant hoses if they show wear.
• Bleed and refill the cooling system to manufacturer specifications after install.

Who is this for: This YzusGomumu aluminium thermostat housing is intended for DIY mechanics, independent repair shops, and fleet operators who own or service 1.4L Chevy and Buick models listed above and want a durable, OEM-compatible replacement. It’s a practical upgrade for anyone replacing a failed plastic housing or proactively improving cooling-system resilience. Always confirm fitment via part numbers and follow your vehicle manufacturer’s service procedures when installing replacement cooling components.