LOCOZI Coolant Reservoir Tank for Chevy Tracker Trax Buick Encore (603-955 / 95269001) Direct-Fit with Cap & Hoses

LOCOZI Engine Coolant Reservoir Tank is a direct-fit replacement expansion/overflow tank with cap and hoses designed to restore proper coolant containment for select Chevy Tracker, Trax and Buick Encore models.

This replacement coolant overflow tank assembles the reservoir, surge cap, air discharge hose and a premium molded heater hose into one kit so you get everything needed to swap a cracked or leaking tank. Made from heat-resistant polypropylene, the tank is engineered to resist vibration and thermal cycling in the engine bay. It matches common OE/OEM reference numbers (including 603-955 and 95269001) for fitment across multiple model years and engine configurations.

How will this reservoir tank stop coolant leaks and overheating symptoms?

Replacing a damaged or brittle reservoir tank prevents coolant loss and helps the cooling system maintain proper fluid levels during engine warm-up and cooling. A secure tank and cap reduce steam, coolant odor, and visible leaks under the hood—common signs that the expansion tank has failed.

• Direct replacement for OE part numbers such as 603-955 and 95269001.
• Includes surge cap that seals the system and restores pressure control.
• Comes with an air-discharge hose and molded heater hose for a complete swap.
• Constructed from high-temp PP plastic to resist cracking from heat cycles.

Which models and years is this LOCOZI tank compatible with?

This tank fits a range of Buick and Chevrolet compact SUV models built between 2013 and 2021. It covers multiple trims and both 1.4L and 1.8L four-cylinder turbo engine variants listed by the manufacturers.

• Compatible models: Buick Encore, Chevrolet Trax, Chevrolet Tracker (select years and trims).
• Covered years: 2013–2021 depending on model and engine configuration.
• Engine types: 1.4L 1364cc and 1.4L/1.8L engine families where referenced.
• Replaces numbers: 95128276, 96968691, 603-955, 95269001, 95380033 and more.

What’s included in the package and what should I prepare for installation?

The kit ships with the coolant reservoir, a surge cap, an engine coolant air discharge hose and a premium molded heater hose so you have the essential components for replacement. No printed instruction is included, so plan for basic tools and either a service manual or professional installation if you’re not experienced.

• Package: 1x coolant reservoir, 1x surge cap, 1x air discharge hose, 1x molded heater hose.
• Installation tip: Replace hose clamps when installing a new coolant hose to ensure a secure seal.
• Recommendation: Professional installation or guidance if unfamiliar with cooling systems.
• Note: Not a genuine OEM part but designed as a direct-fit aftermarket replacement.

How does material and build quality compare to the original part?

The LOCOZI tank is made from durable PP plastic formulated to tolerate engine-bay heat and vibration similar to the original equipment material. While it’s an aftermarket component rather than a factory-branded part, the construction focuses on longevity and reliable sealing under normal operating conditions.

• Material: Heat-resistant polypropylene for thermal and vibration resilience.
• Design: Molded shapes and hose connections match OE mounting points for direct fit.
• Durability: Built to handle expansion and recovery cycles of typical cooling systems.
• Value: Provides a cost-effective alternative to expensive OEM replacements.

Who is this for? Drivers or technicians who need a complete, ready-to-install replacement reservoir for Buick Encore, Chevrolet Trax or Chevrolet Tracker models from 2013–2021 will find this LOCOZI kit useful. It’s suited to owners troubleshooting coolant loss, visible tank damage, or persistent low-coolant indications, and to repair shops looking for a reliable aftermarket option that includes the necessary hoses and cap for a single replacement job.