{"product_id":"gdukop-603-380-engine-coolant-reservoir-tank-with-cap-fits-chrysler-300-dodge-challenger-charger-2011-2023-replaces-55111260af-ab-ac","title":"GDUKOP 603-380 Engine Coolant Reservoir Tank with Cap — Fits Chrysler 300, Dodge Challenger \u0026 Charger (2011-2023) Replaces 55111260AF\/AB\/AC","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eGDUKOP introduces the 603-380 engine coolant reservoir tank with cap, a purpose‑built replacement for select Chrysler and Dodge models. Designed to mirror the original shape and mounting points, this component helps maintain coolant volume under typical driving conditions, supporting steady engine cooling and smoother maintenance routines.\u003c\/p\u003e\n\u003ch3\u003eKey compatibility and replacements\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eChrysler 300 from 2011 to 2023\u003c\/li\u003e\n  \u003cli\u003eDodge Challenger from 2011 to 2023\u003c\/li\u003e\n  \u003cli\u003eDodge Charger from 2011 to 2023\u003c\/li\u003e\n  \u003cli\u003eReplacement OE numbers include 603-380, 4596198, 5086226AA, 55111260AB, 55111260AC, 55111260AD, 55111260AE, 55111260AF, 55116897AA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMaterial quality and design\u003c\/h3\u003e\n\u003cp\u003eCrafted from durable, heat‑resistant plastic, the reservoir resists engine heat and is built to minimize cracking or leaks. The included cap ensures a complete upgrade, delivering a secure seal to help reduce minor leaks during operation.\u003c\/p\u003e\n\u003ch3\u003eDirect fit and ease of installation\u003c\/h3\u003e\n\u003cp\u003eThis tank is engineered as a direct replacement, allowing for straightforward installation with minimal or no modifications. It aligns with factory mounting points for a hassle‑free swap, and the cap threads securely to support a tight, leak‑free seal.\u003c\/p\u003e\n\u003ch3\u003eReal‑world use cases and benefits\u003c\/h3\u003e\n\u003cp\u003eIn everyday driving or during demanding climbs, keeping accurate coolant levels helps the cooling system respond effectively to heat. For DIY enthusiasts, this reservoir pairs well with standard coolant services to restore proper monitoring and consistent performance without expensive trips to a shop.\u003c\/p\u003e\n\u003ch3\u003eMaintenance tips\u003c\/h3\u003e\n\u003cp\u003ePeriodically inspect the reservoir and cap for signs of wear or leaks, especially after top‑ups or service. When replacing, ensure hoses are clean and properly seated before refilling the cooling system to maintain reliable performance.\u003c\/p\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which vehicles is the GDUKOP 603-380 compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Chrysler 300 (2011–2023) and Dodge Challenger\/Charger (2011–2023).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What comes in the package?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A coolant reservoir tank with cap, designed as a direct replacement for easy install.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GDUKOP","offers":[{"title":"Default Title","offer_id":42487210082389,"sku":"B0F8B84S2F","price":84.57,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/gdukop-603-380-engine-coolant-reservoir-tank.jpg?v=1778427612","url":"https:\/\/plentytorque.co.uk\/products\/gdukop-603-380-engine-coolant-reservoir-tank-with-cap-fits-chrysler-300-dodge-challenger-charger-2011-2023-replaces-55111260af-ab-ac","provider":"PlentyTorque","version":"1.0","type":"link"}