{"product_id":"yzusgomumu-mazda-3-front-coolant-reservoir-tank-with-cap-2004-2013-fit-pa-plastic-durable-replacement","title":"YzusGomumu Mazda 3 Front Coolant Reservoir Tank with Cap — 2004–2013 Fit, PA Plastic Durable Replacement","description":"\u003cp\u003e\u003cstrong\u003eYzusGomumu front engine coolant reservoir tank with cap is a direct-fit replacement overflow tank designed to restore proper coolant storage and pressure control for Mazda 3 models from 2004–2013.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Mazda 3’s original coolant reservoir is cracked, leaking, or discolored, installing this replacement restores the system’s ability to collect and return excess coolant as the engine warms and cools. Built from durable PA (polyamide) plastic, this tank resists heat and corrosion found under the hood and comes with the matching cap for a complete swap. It fits a wide range of Mazda 3 passenger and Sport (hatchback) model years, and uses the same mounting points and hose connections as the OEM unit.\u003c\/p\u003e\n\n\u003ch3\u003eWill this reservoir fit my Mazda 3 or Mazda 3 Sport?\u003c\/h3\u003e\n\n\u003cp\u003eThis reservoir is made to match factory dimensions for many Mazda 3 vehicles. Confirm fitment by checking model year and part references to ensure a correct match before ordering.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCompatible with Mazda 3 model years 2004 through 2013.\u003c\/li\u003e\n  \u003cli\u003eSpecifically listed for 2009–2013 Mazda 3 Sport\/hatchback variants.\u003c\/li\u003e\n  \u003cli\u003eReplaces OEM part numbers including 603-043, 5M5H8K218AA and LF5015350 series.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable is this replacement coolant tank under engine heat and vibration?\u003c\/h3\u003e\n\n\u003cp\u003eThe reservoir is molded from reinforced PA plastic chosen for its stability in automotive environments. That material offers good thermal resistance and toughness, reducing the chance of warping, cracking, or leaking compared with aged original tanks.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eConstructed from high-grade polyamide (PA) for heat and chemical resistance.\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant design helps prevent coolant contamination and failure.\u003c\/li\u003e\n  \u003cli\u003eFactory-style mounting points and hose fittings maintain secure installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the box and is installation difficult?\u003c\/h3\u003e\n\n\u003cp\u003eThe package contains the coolant overflow reservoir tank and its cap, ready for a straightforward replacement using common hand tools. The unit is intended as a drop-in substitute for the original tank, minimizing modification or fabrication.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eIncludes 1x radiator coolant overflow reservoir tank and 1x cap.\u003c\/li\u003e\n  \u003cli\u003eDesigned for bolt-on installation using existing mounting points and hoses.\u003c\/li\u003e\n  \u003cli\u003eTypical replacement time: under one hour for most DIYers or a quick job for a technician.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow can I confirm this is the right part if I have an older or later Mazda 3?\u003c\/h3\u003e\n\n\u003cp\u003eCompare your current reservoir’s shape, mounting and hose locations to product images and the OEM reference numbers. If your tank uses any of the listed replacement part numbers, this YzusGomumu unit will be a compatible match.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCheck for matching OEM numbers: 603-043, 5M5H8K218AA, LF5015350 (and variants).\u003c\/li\u003e\n  \u003cli\u003eVerify hose inlet\/outlet positions and mounting tab locations against photos.\u003c\/li\u003e\n  \u003cli\u003eContact seller with your VIN for final fit confirmation if unsure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This replacement reservoir is aimed at Mazda 3 owners and mechanics who need an affordable, OEM-style spare part to replace a cracked or leaking coolant overflow tank. It suits do-it-yourself vehicle maintainers and professional shops looking for a durable PA-plastic replacement that matches factory fitment for 2004–2013 Mazda 3 sedans and 2009–2013 Sport models. Choose this tank when you want a corrosion-resistant, ready-to-install component that restores proper coolant overflow and return performance without custom fabrication.\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 reservoir include the cap?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the package includes one radiator coolant overflow reservoir tank with its matching cap.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which Mazda 3 years does this fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits Mazda 3 models from 2004–2013 and Mazda 3 Sport models from 2009–2013; verify OEM numbers for certainty.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"YzusGomumu","offers":[{"title":"Default Title","offer_id":48084901527710,"sku":"B0DCVF7C83","price":37.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/yzusgomumu-front-view-reservoir-tank.jpg?v=1785865701","url":"https:\/\/northtrailauto.ca\/products\/yzusgomumu-mazda-3-front-coolant-reservoir-tank-with-cap-2004-2013-fit-pa-plastic-durable-replacement","provider":"North Trail Auto","version":"1.0","type":"link"}