{"product_id":"gdukop-engine-coolant-reservoir-tank-with-cap-direct-fit-for-chrysler-300-dodge-challenger-charger-2011-2023-heat-resistant","title":"GDUKOP engine coolant reservoir tank with cap — direct-fit for Chrysler 300 \/ Dodge Challenger Charger 2011–2023, heat-resistant","description":"\u003cstrong\u003eDirectly replaces your original coolant overflow tank and cap to restore correct coolant circulation and reservoir containment.\u003c\/strong\u003e\n\n\u003cp\u003eIf your Chrysler 300 or Dodge Challenger\/Charger from model years 2011–2023 has a cracked, leaking, or discolored coolant reservoir, the GDUKOP 603-380 tank with cap is built to match the factory fit and restore reliable coolant management. This replacement tank is molded from heat-resistant plastic and supplied as a direct-fit unit that aligns with OE mounting points, hose connections, and sensor ports so you don’t need to modify mounting brackets or hoses.\u003c\/p\u003e\n\n\u003ch3\u003eWill this reservoir fit my 2011–2023 Chrysler 300 or Dodge Challenger\/Charger?\u003c\/h3\u003e\n\u003cp\u003eYes — the GDUKOP 603-380 is engineered to be compatible with Chrysler 300 and Dodge Challenger\/Charger models across the 2011–2023 range that used the OE part family listed below. Confirm fitment by comparing the OE part number on your existing tank or checking chassis-specific parts guides.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces OE numbers: 603-380, 4596198, 5086226AA, and the 55111260AB\/AC\/AD\/AE\/AF series\u003c\/li\u003e\n  \u003cli\u003eAlso suitable where OE 55116897AA or similar numbers were used\u003c\/li\u003e\n  \u003cli\u003eDesigned to match factory hose and sensor locations for these models\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and heat-resistant is this replacement tank?\u003c\/h3\u003e\n\u003cp\u003eThis reservoir is made from reinforced, high-temperature plastic formulated to resist cracking and deformation under normal engine- bay conditions. It’s produced to withstand repeated heat cycles and the corrosive environment of coolant exposure without brittle failure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHeat-resistant material reduces risk of swelling or cracking\u003c\/li\u003e\n  \u003cli\u003eClose-molded seams limit leak paths and maintain pressure tolerance\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant plastic holds coolant chemistry without degrading\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what do I need to do the swap?\u003c\/h3\u003e\n\u003cp\u003eThe GDUKOP tank is a direct replacement designed to install with the factory mounting points and hose fittings — no cutting or custom fabrication required. Basic hand tools and a short bleed of the cooling system to remove air are typically all that’s needed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSimple bolt-on installation using existing brackets and fasteners\u003c\/li\u003e\n  \u003cli\u003eStandard hose clamps re-used or replaced as needed during swap\u003c\/li\u003e\n  \u003cli\u003eRefill with manufacturer-specified coolant and check for proper level\/sensor operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat maintenance benefits will I notice after replacing the tank?\u003c\/h3\u003e\n\u003cp\u003eReplacing a damaged or leaking reservoir helps the cooling system maintain stable coolant levels and reduces the chance of overheating due to loss of fluid. Restoring a properly sealed cap and intact tank also keeps pressure and reservoir venting working as intended.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStops visible leaks and prevents coolant loss onto engine components\u003c\/li\u003e\n  \u003cli\u003eEnsures accurate coolant level readings for overflow and return cycles\u003c\/li\u003e\n  \u003cli\u003eSupports consistent engine temperature control under normal driving loads\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The GDUKOP 603-380 coolant reservoir tank with cap is intended for owners, mechanics, and restoration projects of Chrysler 300 and Dodge Challenger\/Charger vehicles (2011–2023) that need a direct, OEM-compatible replacement. Choose this part if you require precise fitment, durable heat-resistant construction, and a straightforward swap that uses existing mounting hardware and hoses.\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 include the cap?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The GDUKOP 603-380 unit is supplied with the compatible cap included for a complete replacement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will I need special tools to install it?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No special tools are required; basic hand tools and standard hose clamps are usually sufficient for installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GDUKOP","offers":[{"title":"Default Title","offer_id":48080887382174,"sku":"B0F8B84S2F","price":69.94,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/gdukop-coolant-reservoir-front-view.jpg?v=1785791628","url":"https:\/\/northtrailauto.ca\/products\/gdukop-engine-coolant-reservoir-tank-with-cap-direct-fit-for-chrysler-300-dodge-challenger-charger-2011-2023-heat-resistant","provider":"North Trail Auto","version":"1.0","type":"link"}