YzusGomumu Coolant Reservoir Tank for 2010–2019 Chevrolet – Direct-Fit Replacement with Cap, OE-Match Mounting

YzusGomumu Engine Coolant Reservoir Tank with cap is a direct-fit replacement expansion tank designed to store excess coolant and help maintain proper coolant flow for select 2010–2019 Chevrolet and GM vehicles.

This replacement radiator coolant overflow tank restores the cooling system’s capacity after a thermostat cycle or pressure change. Molded from durable, corrosion-resistant materials, the tank arrives with the cap installed and matches OE mounting points and inlet/outlet locations so it integrates smoothly with the original plumbing on compatible Buick, Cadillac and Chevrolet models. Check the listed OE numbers and vehicle fitment before ordering to ensure compatibility.

Which vehicles does this reservoir fit?

This tank is engineered to match the cooling systems used on a range of GM cars from 2010 through 2019. Confirm fit by checking part numbers or your vehicle’s service manual prior to purchase.

• 2010 Buick Allure
• 2010–2016 Buick LaCrosse
• 2011–2017 Buick Regal
• 2010–2016 Cadillac SRX
• 2013–2019 Cadillac XTS
• 2014–2019 Chevrolet Impala
• 2013–2016 Chevrolet Malibu and 2016 Malibu Limited
• OE references: 603-385, DAKG-15110, 13220124, 13502353, 20902124, 22917996, 22924025, 22950436, 25941270

How does this replacement tank match the original equipment?

The YzusGomumu tank is shaped and mounted to align with factory brackets, hose connections and the filler neck. That reduces installation time and the need for modification.

• Pre-installed cap sized for factory filler neck
• Correct inlet/outlet placement for direct hose attachment
• Mounting tabs and bolt holes mirror OEM locations
• OE part numbers listed for cross-reference

What materials and durability features does it have?

Built to resist the heat and chemical exposure common under the hood, the tank uses reinforced plastics and corrosion-resistant construction intended to minimize leaks and long-term failure risk.

• Durable polymer body designed for engine-bay conditions
• Corrosion-resistant finish to withstand coolant additives
• Sealed cap to help maintain system pressure balance
• Quality control to reduce the chance of hairline cracks

What should I expect during installation and service?

Installation is straightforward for anyone familiar with basic coolant system service. Always replace coolant per manufacturer guidelines and inspect hoses and clamps while the system is open.

• Ships as one complete overflow reservoir with cap
• Simple bolt-on replacement using factory fasteners
• Recommended to bleed and refill cooling system after fitment
• Verify part numbers and hose routing during install

Who is this for: Automotive technicians and DIY owners who need a reliable, direct-fit coolant overflow reservoir for mid-2010s GM cars and sedans. If your current tank is cracked, leaking, or missing, this YzusGomumu replacement offers a cost-effective way to restore coolant capacity and routing without custom work—just confirm fitment with the OE numbers and your vehicle model before purchase.