Dtomi Radiator Overflow Tank Coolant Expansion Reservoir for Buick Encore & Chevy Trax 1.4L/1.8L Transparent with Cap

Dtomi Radiator Overflow Tank is a direct-fit coolant expansion reservoir engineered to replace OE part numbers 95269001, 95201979, 95380033, 13502353, and 603-955 for select Buick Encore and Chevy Trax models.

This transparent plastic coolant reservoir with cap provides a straightforward replacement for worn, cracked, or leaking expansion tanks. It’s designed for front-engine installation and offers a clear sightline to monitor coolant level, helping you maintain the correct coolant volume without removing the radiator cap. The tank ships complete with a matching cap and is built to stand up to engine heat and vibration encountered in everyday driving.

Will this reservoir fit my car model and engine?

If your vehicle is a Buick Encore (2013–2021) with the 1.4L inline-4 gasoline engine or a Chevy Trax (2013–2021) 1.4L inline-4, or Chevy Trax (2013–2019) 1.8L inline-4, this Dtomi tank is listed as compatible. Always cross-check the OE or shop part number before ordering to ensure a correct match.

• Compatible Buick: Encore 2013–2021, 1.4L l4 GAS
• Compatible Chevy: Trax 2013–2021 1.4L l4 GAS and Trax 2013–2019 1.8L l4 GAS
• Replaces OE numbers: 95269001, 95201979, 95380033, 13502353, 603-955
• Confirm fit by comparing to your existing tank and cap connection points

How durable and heat-resistant is this coolant expansion reservoir?

The Dtomi tank is molded from durable plastic formulated for under-hood use and tested to tolerate heat cycles and engine vibration. While it’s not immune to extreme chemical exposure or improper coolant mixtures, it’s designed for reliable service life under normal operating conditions.

• Constructed from heat-resistant automotive-grade plastic
• Clear material allows visual coolant level checks without opening the cap
• Tested for pressure and vibration typical of road use
• Sold new and ready to install with cap included

How easy is installation and what comes in the package?

Installation is straightforward for anyone comfortable with basic engine-bay work: drain the system as needed, remove the old tank, swap hoses and mounting hardware, then install the Dtomi replacement and refill coolant. The kit arrives as a single assembly with the matching cap to simplify the swap.

• Package includes: 1 x coolant reservoir radiator expansion tank with cap
• Typical tools needed: pliers, screwdrivers, catch pan for coolant
• Installation time: often under an hour for experienced DIYers
• Follow proper coolant disposal and bleeding procedures after install

What maintenance or precautions should I follow after installation?

After installing the Dtomi reservoir, inspect hose connections for leaks and confirm coolant level after the engine reaches operating temperature and cools down. Use the correct coolant type and mixture recommended by your vehicle manufacturer to avoid damage and maintain cooling performance.

• Check for leaks at hose fittings and mounting points
• Refill with manufacturer-recommended coolant and mixture
• Observe coolant level through the transparent tank periodically
• Replace cap if the seal shows wear or does not hold pressure

Who is this for: This Dtomi coolant expansion tank is intended for owners and technicians who need a dependable, direct-replacement reservoir for Buick Encore (2013–2021 1.4L) and Chevy Trax (2013–2021 1.4L, 2013–2019 1.8L). It’s a practical choice for routine maintenance, collision repair, or when the original tank develops cracks, leaks, or discolored plastic that obscures level monitoring. Always verify compatibility with your vehicle’s part number before purchasing.