YzusGomumu Engine Radiator Coolant Overflow Reservoir Tank for Chevy/Buick 2013-2021, OE-fit durable polymer

This replacement coolant overflow reservoir is engineered to restore lost coolant capacity and help your vehicle’s cooling system operate within designed parameters. Built from corrosion-resistant materials, the tank recreates the original overflow function and connects to existing hoses and mounts for a straightforward installation. It’s supplied as a single unit and matches OE fitment numbers so you can confirm compatibility with your vehicle before purchase.

Will this reservoir fit my Chevy or Buick model?

Compatibility covers a range of small SUVs from model years 2013 through 2021. Check your vehicle’s engine size and the part numbers listed to make sure it replaces the original tank correctly. If the OE numbers on your old tank match one of the numbers below, this unit is intended to be a direct substitute.

• Compatible with: 2013–2021 Buick Encore L4 1.4L
• Compatible with: 2013–2014 Chevrolet Tracker L4 1.8L; 2015 Chevrolet Tracker L4 1.4L
• Compatible with: 2013–2019 Chevrolet Trax L4 1.8L; 2013–2021 Chevrolet Trax L4 1.4L
• OE reference numbers: 95269001, 95201979, 95380033, 13502353, 603-955

How durable is this overflow tank and what materials are used?

The tank is manufactured from high-strength, heat- and chemical-resistant plastic to tolerate engine-bay temperatures and coolant exposure. Its construction resists corrosion and cracking, which helps reduce the chance of leaks compared with aged or brittle OEM tanks.

• Rugged polymer construction for thermal and chemical resistance
• Corrosion-resistant design to extend service life
• Precision molding to match OEM mounting points and hose connections

How easy is installation and what does the package include?

Installation is suitable for DIY enthusiasts with basic tools and mechanical knowledge because the tank matches OEM mounting and connection locations. The product ships as one complete overflow reservoir; hoses or additional fittings are not included, so reuse existing hardware when possible.

• Supplied as: 1 x radiator coolant overflow reservoir tank
• Designed for bolt-in replacement using original hoses and clamps
• No extra sensors or complex wiring—simple hose/bolt connections

What should I inspect before purchase or during replacement?

Before buying, compare the OE part numbers stamped on your current tank with the references provided to ensure fit. During replacement, check adjoining hoses, clamps, and the radiator cap for wear—addressing those items reduces the chance of future coolant loss.

• Verify OE numbers: 95269001, 95201979, 95380033, 13502353, 603-955
• Inspect hoses and clamps for cracks or brittleness
• Confirm proper mounting point alignment and leak-free connections after installation

Who is this for: This YzusGomumu overflow reservoir tank is aimed at vehicle owners and independent mechanics who need an affordable, durable replacement for a cracked or leaking coolant overflow tank on compatible Chevrolet and Buick models. It’s particularly useful when seeking a straightforward, OEM-style fitment to restore coolant capacity and reduce the risk of overheating caused by coolant loss. Always verify vehicle compatibility and OE numbers prior to ordering to ensure correct fitment.