{"product_id":"dorman-603-621-engine-coolant-reservoir","title":"Dorman 603-621 Engine Coolant Reservoir - Front","description":"\u003ch2\u003eOverview of Dorman Engine Coolant Reservoir 603-621\u003c\/h2\u003e\u003cp\u003eThe Dorman 603-621 engine coolant reservoir is designed specifically for Infiniti Pathfinder and Nissan QX4 models. This replacement reservoir is made from durable plastic and includes essential mounting brackets and a cap to ensure proper installation and function.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaterial: Durable plastic construction\u003c\/li\u003e\n\u003cli\u003eLength: 344 mm\u003c\/li\u003e\n\u003cli\u003eHeight: 165 mm\u003c\/li\u003e\n\u003cli\u003eColor: White\u003c\/li\u003e\n\u003cli\u003eIncludes mounting brackets and cap\u003c\/li\u003e\n\u003cli\u003eThree mounting holes for secure fitment\u003c\/li\u003e\n\u003cli\u003eNon-pressurized reservoir design\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 603-621 engine coolant reservoir is engineered to meet the specifications required for the Infiniti Pathfinder and Nissan QX4. Constructed from high-quality plastic, this reservoir offers reliable resistance to heat and corrosion. Measuring 344 mm in length and 165 mm in height, it fits precisely within the engine bay of the specified vehicles. The white color allows for easy fluid level inspection. This reservoir comes with three mounting holes and includes mounting brackets for a secure and stable installation. The included cap is designed to maintain the correct coolant level without pressurizing the system, which aligns with the original equipment design.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Common Applications\u003c\/h2\u003e\u003cp\u003eThis engine coolant reservoir is compatible with the following vehicles:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInfiniti Pathfinder\u003c\/li\u003e\n\u003cli\u003eNissan QX4\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is intended to replace worn or damaged coolant reservoirs that may cause issues such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCoolant leaks or cracks in the reservoir\u003c\/li\u003e\n\u003cli\u003eInaccurate coolant level readings\u003c\/li\u003e\n\u003cli\u003eOverheating due to insufficient coolant storage\u003c\/li\u003e\n\u003cli\u003eLoose or missing mounting brackets causing instability\u003c\/li\u003e\n\u003cli\u003eDamaged or missing reservoir cap leading to coolant contamination\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the engine is cool before beginning installation to avoid burns or injury.\u003c\/li\u003e\n\u003cli\u003eVerify that the mounting brackets and holes align with the vehicle’s frame.\u003c\/li\u003e\n\u003cli\u003eUse the included cap to maintain proper coolant containment and prevent contamination.\u003c\/li\u003e\n\u003cli\u003eCheck for any coolant leaks after installation and refill coolant as necessary.\u003c\/li\u003e\n\u003cli\u003eDispose of the old reservoir and coolant according to local regulations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-621 engine coolant reservoir undergoes rigorous quality control to ensure durability and reliability in service. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official warranty policy for exact terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44011182555317,"sku":"BKKY-603-621","price":89.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_603621_Fro.jpg?v=1775008961","url":"https:\/\/www.partcatalog.com\/products\/dorman-603-621-engine-coolant-reservoir","provider":"PartCatalog","version":"1.0","type":"link"}