Dtomi Radiator Expansion Tank Kit for Buick Encore & Chevy Trax (2013–2021) — Cap, Heater & Air-Bleed Hoses, Heat-Resistant Plasti

Dtomi Radiator Expansion Tank kit replaces worn coolant reservoirs and includes heater and air-bleed hoses for a complete front-end coolant system refresh.

This replacement coolant reservoir assembly is a direct-fit option designed for Buick Encore and Chevy Trax models listed below. Built from heat-resistant plastic and delivered as a complete kit with cap, heater hose, and air-bleed hose, it’s engineered to restore coolant containment, venting and routing when the original tank becomes cracked, discolored or fails to hold pressure. Check part numbers and vehicle fitment before ordering to ensure compatibility.

Will this Dtomi reservoir fit my Buick Encore or Chevy Trax?

Yes — this Dtomi assembly is made to match the factory mounting and hose connections for the specified model years and engine sizes. Verify your vehicle’s year and engine code against the listed fitment and replacement part numbers to be certain.

• Compatible with Buick Encore 2013–2021, 1.4L L4 gasoline engines.
• Compatible with Chevy Trax 2013–2021 1.4L L4 and Trax 2013–2019 1.8L L4 gasoline engines.
• Replaces part numbers: 95269001, 95201979, 95380033, 13502353, 603-955, 42638619, 96968691, 96968694.

What’s included and why the kit version matters?

The Dtomi package contains the coolant reservoir with cap plus a heater hose and an air bleed hose. Receiving the additional hoses removes guesswork, lowers installation time, and ensures the sealed connections and venting function correctly after replacement.

• 1 x coolant reservoir radiator expansion tank with cap — pre-assembled for direct fit.
• 1 x heater hose — replaces worn or brittle routing from tank to heater core.
• 1 x air bleed hose — restores proper bleed path for trapped air in the cooling circuit.

How durable and reliable is the Dtomi tank compared to an OEM unit?

Manufactured from high-temperature plastic, this Dtomi tank is engineered to tolerate engine bay heat and vibration under normal operating pressure. It’s tested for pressure resistance and material stability, though like any plastic reservoir it can degrade over many years under extreme conditions.

• Heat-resistant plastic construction for long-term performance.
• Transparent finish lets you inspect coolant level visually without opening the cap.
• Designed to meet common OEM fit and function expectations for the listed vehicles.

Is installation difficult and what should I prepare?

Installation is straightforward for a DIYer with basic tools: drain a portion of coolant, remove mounting hardware, swap hoses, and refill with the correct coolant mixture. If you prefer professional installation, most independent shops can complete the job quickly since the kit includes the needed hoses and cap.

• Recommended tools: socket set, pliers, drain pan, and coolant funnel.
• Always confirm torque specs and replace coolant per manufacturer recommendations.
• Inspect hose clamps and surrounding components while installing to prevent future leaks.

Who is this for: This Dtomi Radiator Expansion Tank kit is intended for owners of Buick Encore (2013–2021) or Chevy Trax (2013–2021/2019) who need a reliable, ready-to-install replacement for a cracked, leaking, or discolored coolant reservoir. It’s suitable for do-it-yourself service technicians and professional mechanics who want a complete replacement kit that restores proper coolant containment and venting without sourcing additional hoses separately.