{"product_id":"gdukop-engine-coolant-overflow-reservoir-tank-603-955-direct-fit-kit-with-cap-hoses","title":"GDUKOP Engine Coolant Overflow Reservoir Tank 603-955 Direct-Fit Kit with Cap \u0026 Hoses","description":"\u003cp\u003e\u003cstrong\u003eThe GDUKOP 603-955 engine coolant overflow reservoir tank is a direct-fit replacement reservoir and cap assembly that stores excess coolant to help maintain proper coolant levels and steady engine temperatures.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis replacement tank is engineered to restore the cooling system function on compatible Buick and Chevrolet small SUVs and crossovers. Built from high-temperature polypropylene and supplied as a complete kit with hoses, the GDUKOP 603-955 tank matches OE fitment and mounting points so you can replace a cracked, leaking, or missing reservoir without modification.\u003c\/p\u003e\n\n\u003ch3\u003eWill this reservoir fit my vehicle?\u003c\/h3\u003e\n\u003cp\u003eCheck vehicle years and engine displacement against the listed fitment before purchasing. The GDUKOP 603-955 is designed to fit a range of 2013–2021 Buick Encore and Chevrolet Trax\/Tracker models with specific L4 engines, matching original mounting and inlet\/outlet positions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible models: 2013–2021 Buick Encore L4 1.4L\u003c\/li\u003e\n  \u003cli\u003eCompatible Chevy: 2013–2014 Tracker L4 1.8L; 2015 Tracker L4 1.4L\u003c\/li\u003e\n  \u003cli\u003eAlso fits Trax: 2013–2019 Trax L4 1.8L; 2013–2021 Trax L4 1.4L\u003c\/li\u003e\n  \u003cli\u003eOE numbers matched: 603-955, 603955, 95269001, 95201979, 95380033\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s included and how easy is installation?\u003c\/h3\u003e\n\u003cp\u003eThe GDUKOP kit arrives complete with the coolant reservoir tank, an air bleed hose, and a premium molded heater hose for a straightforward replacement. It’s intended as a direct-swap component so installation is typically a quick repair that requires basic hand tools and common shop procedures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded: reservoir tank, coolant reservoir air bleed hose, molded heater hose\u003c\/li\u003e\n  \u003cli\u003eDirect-fit design: no cutting or adapting required for listed vehicles\u003c\/li\u003e\n  \u003cli\u003eInstallation: drain a small amount of coolant, remove old tank, transfer hoses, and secure new tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the construction affect durability and performance?\u003c\/h3\u003e\n\u003cp\u003eManufactured from high-quality polypropylene (PP), the GDUKOP reservoir resists high under-hood temperatures, vibration, and chemical exposure from coolant over time. That durability reduces the chance of premature cracking or deformation compared with inferior plastics.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaterial: heat-resistant PP plastic formulation\u003c\/li\u003e\n  \u003cli\u003eDesign tolerances match OEM mounting and hose locations\u003c\/li\u003e\n  \u003cli\u003eEngineered to withstand engine bay heat and coolant chemistries\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect after replacing the reservoir?\u003c\/h3\u003e\n\u003cp\u003eWith a properly installed replacement reservoir, you should regain a sealed, leak-free expansion system and consistent coolant level feedback for the vehicle’s cooling system. This helps the coolant flow and recovery operate as intended without introducing air pockets or uncontrolled overflow.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores correct coolant expansion and recovery behavior\u003c\/li\u003e\n  \u003cli\u003eReduces risk of visible leaks and cooling system pressure loss\u003c\/li\u003e\n  \u003cli\u003eCompatible cap and bleed hose help prevent trapped air\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The GDUKOP 603-955 reservoir kit is intended for owners, mechanics, and DIY enthusiasts who need a reliable, OE-matching replacement for cracked, leaking, or missing coolant overflow tanks on specified Buick Encore, Chevrolet Trax, and Tracker models. Choose this part when you want a durable PP construction, full kit convenience, and exact OE number compatibility to ensure proper fit and function.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this tank come with the cap and hoses?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit includes the reservoir tank, a coolant reservoir air bleed hose, and a premium molded heater hose.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this a direct OEM replacement for my Trax\/Encore?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: If your vehicle matches the listed years and engine sizes, this GDUKOP 603-955 unit is a direct-fit replacement matching OE numbers.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GDUKOP","offers":[{"title":"Default Title","offer_id":48086762979486,"sku":"B0FRRR7G6V","price":52.38,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/gdukop-reservoir-front-view_34e01ddc-5a6c-4348-af2a-44f3127263ae.jpg?v=1785904024","url":"https:\/\/northtrailauto.ca\/products\/gdukop-engine-coolant-overflow-reservoir-tank-603-955-direct-fit-kit-with-cap-hoses","provider":"North Trail Auto","version":"1.0","type":"link"}