{"product_id":"gdukop-coolant-reservoir-tank-603-380-with-cap-direct-fit-heat-resistant-replacement-for-chrysler-dodge","title":"GDUKOP Coolant Reservoir Tank 603-380 with Cap — Direct-Fit Heat-Resistant Replacement for Chrysler \u0026 Dodge","description":"\u003cstrong\u003eGDUKOP's 603-380 engine coolant reservoir tank with cap is a direct-fit replacement reservoir designed to restore proper coolant containment and pressure control on compatible Chrysler and Dodge models.\u003c\/strong\u003e\n\n\u003cp\u003eIf your vehicle shows low coolant level warnings, visible cracks in the old tank, or coolant leaks near the engine bay, replacing the plastic reservoir with a reliable OE-style unit can stop seepage and stabilize cooling-system performance. The GDUKOP 603-380 tank is molded from heat-resistant plastic and supplied with a matching cap so you get a ready-to-install assembly that mirrors original equipment fit and function.\u003c\/p\u003e\n\n\u003ch3\u003eWhat vehicles does this reservoir fit?\u003c\/h3\u003e\n\u003cp\u003eGDUKOP engineered this reservoir to match factory dimensions for late-model Chrysler and Dodge V6\/V8 applications. It fits without modification on the specified model years listed, making it a straightforward swap for owners and technicians alike.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChrysler 300: 2011–2023 models\u003c\/li\u003e\n  \u003cli\u003eDodge Challenger: 2011–2023 models\u003c\/li\u003e\n  \u003cli\u003eDodge Charger: 2011–2023 models\u003c\/li\u003e\n  \u003cli\u003eMatches OE reference numbers including 603-380 and related part codes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow reliable is the construction and material?\u003c\/h3\u003e\n\u003cp\u003eThe tank is produced from reinforced, heat-tolerant plastic specifically selected to resist engine-bay temperatures and coolant exposure. The result is a reservoir that resists warping, cracking, and premature failure under normal driving conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHeat-resistant polymer formulation for temperature endurance\u003c\/li\u003e\n  \u003cli\u003ePrecision-molded mating surfaces to reduce leak risk\u003c\/li\u003e\n  \u003cli\u003eDurable finish that withstands coolant additives and engine vibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs installation difficult and does it require modifications?\u003c\/h3\u003e\n\u003cp\u003eThis coolant tank is designed as a direct replacement, meaning mounting points, inlet\/outlet positions, and cap fitting align with stock components. Most installations are bolt-in swaps that use the factory hoses and hardware with no cutting or trimming required.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit geometry for plug-and-play installation\u003c\/li\u003e\n  \u003cli\u003eIncludes cap compatible with original pressure specifications\u003c\/li\u003e\n  \u003cli\u003eUses existing mounting points and hose connections on the vehicle\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich OE numbers and part references does this replace?\u003c\/h3\u003e\n\u003cp\u003eThe GDUKOP 603-380 reservoir covers a range of factory part numbers, ensuring cross-compatibility when sourcing or comparing replacements. Referencing these OE codes helps confirm fitment for your specific build and production date.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrimary reference: 603-380\u003c\/li\u003e\n  \u003cli\u003eAdditional OE equivalents: 4596198, 5086226AA\u003c\/li\u003e\n  \u003cli\u003eOther compatible codes: 55111260AB\/AC\/AD\/AE\/AF and 55116897AA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? If you own a 2011–2023 Chrysler 300, Dodge Challenger, or Dodge Charger and you’re experiencing coolant loss, visible tank damage, or you simply want a reliable replacement that matches factory standards, this GDUKOP reservoir with cap is designed for you. It suits DIY enthusiasts replacing worn components, independent shops performing routine repairs, and fleet managers seeking a cost-effective OEM-style part to keep vehicles cooling systems working as intended.\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: Will this reservoir fit my 2015 Dodge Charger?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the GDUKOP 603-380 reservoir fits Dodge Charger model years 2011–2023, including 2015, as a direct replacement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the tank come with the cap installed?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the product includes the matching cap so you receive a complete, ready-to-install reservoir assembly.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GDUKOP","offers":[{"title":"Default Title","offer_id":67585684177081,"sku":"B0F8B84S2F","price":131.8,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/gdukop-reservoir-front-view.jpg?v=1790475356","url":"https:\/\/redleafauto.ca\/products\/gdukop-coolant-reservoir-tank-603-380-with-cap-direct-fit-heat-resistant-replacement-for-chrysler-dodge","provider":"Redleaf Auto","version":"1.0","type":"link"}