{"product_id":"dorman-603-887-engine-coolant-reservoir-left","title":"Dorman 603-887 Engine Coolant Reservoir - Left","description":"\u003ch2\u003eEngine Coolant Reservoir for Ford Super Duty\u003c\/h2\u003e\u003cp\u003eDorman 603-887 is a replacement engine coolant reservoir built for the heat, vibration, and pressure demands of the cooling system. It is engineered to match the original fit and function for select Ford heavy-duty trucks, including Ford F-250 Super Duty and Ford F-350 Super Duty applications with a medium duty battery.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement engine coolant reservoir for the cooling system\u003c\/li\u003e\n\u003cli\u003ePlastic construction with black and natural finish\u003c\/li\u003e\n\u003cli\u003eThreaded cap design with cap included\u003c\/li\u003e\n\u003cli\u003ePressurized reservoir with a 21 psi maximum cap rating\u003c\/li\u003e\n\u003cli\u003eOEM grade replacement engineered for original fit and function\u003c\/li\u003e\n\u003cli\u003eMounting hole quantity: 6\u003c\/li\u003e\n\u003cli\u003eMaximum capacity: 96 fl. oz.; working capacity: 60\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Dorman coolant reservoir, part number 603-887, is manufactured from durable plastic to handle underhood heat and engine vibration. The irregular-shaped tank is built to match the original reservoir’s fit and function, helping maintain proper coolant storage and system operation on 2017-2019 Ford F-250 Super Duty and 2017-2019 Ford F-350 Super Duty trucks with a medium duty battery. If you are searching for a Ford Super Duty coolant reservoir replacement, Dorman 603-887 provides an OE-style solution for the factory cooling layout.\u003c\/p\u003e\u003cp\u003eThis part cross-references Ford OE numbers HC3Z8A080D and HC3Z10732B for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCracked or leaking coolant reservoir housing\u003c\/li\u003e\n\u003cli\u003eLoss of coolant from a damaged expansion tank\u003c\/li\u003e\n\u003cli\u003eBroken threaded cap or sealing issues at the reservoir\u003c\/li\u003e\n\u003cli\u003eHeat-related plastic fatigue in the cooling system\u003c\/li\u003e\n\u003cli\u003eFitment problems caused by a warped or incorrect replacement tank\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify vehicle configuration before ordering: this reservoir fits 2017-2019 Ford F-250 Super Duty, N\/A, w\/Medium Duty Battery, and 2017-2019 Ford F-350 Super Duty, N\/A, w\/Medium Duty Battery. Confirm the mounting points, hose routing, and cap style match the original reservoir before installation. Inspect the cooling system for leaks, damaged hoses, or a faulty cap during replacement. Part number 603-887 should be matched to the vehicle’s original application details for proper fitment.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman manufactures this coolant reservoir as an OEM-grade replacement using materials selected for underhood durability. The design is intended to replicate the original part’s fit and function for dependable service in Ford F-250 Super Duty and Ford F-350 Super Duty cooling system repairs.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52778771742901,"sku":"BKKY-603-887","price":282.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_603887_Ang.jpg?v=1783577583","url":"https:\/\/www.partcatalog.com\/products\/dorman-603-887-engine-coolant-reservoir-left","provider":"PartCatalog","version":"1.0","type":"link"}