{"product_id":"dorman-603-5510-engine-coolant-reservoir-front","title":"Dorman 603-5510 Engine Coolant Reservoir - Front","description":"\u003ch2\u003eEngine Coolant Reservoir Overview\u003c\/h2\u003e\u003cp\u003eThis Dorman engine coolant reservoir is a direct-fit replacement built to match the original part’s fit and function. It is made from plastic and engineered to handle underhood heat and engine vibration in service.\u003c\/p\u003e\u003cp\u003eCompatible with Volvo WG and Volvo WI applications, this reservoir is identified by part number 603-5510. It includes a spring-loaded twist cap design and a pressurized construction rated to 20 PSI.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement coolant reservoir for original-equipment fit and function.\u003c\/li\u003e\n\u003cli\u003ePlastic construction for underhood use.\u003c\/li\u003e\n\u003cli\u003ePressurized design with a 20 PSI cap rating.\u003c\/li\u003e\n\u003cli\u003eIncludes a cap with twist-on, spring-loaded operation.\u003c\/li\u003e\n\u003cli\u003eMounting brackets and mounting holes are part of the reservoir design.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDorman 603-5510 is engineered as a replacement engine coolant reservoir for select Volvo medium-duty applications. It is manufactured to match the original part’s fit and function, helping maintain proper coolant storage and system operation. The white plastic housing is built for the heat and vibration common in engine compartments, while the pressurized design and included cap support normal cooling-system operation.\u003c\/p\u003e\u003cp\u003eThis part fits 1996-2000 Volvo WG, front, ID No. 3966106, and 1996-1998 Volvo WI, front, ID No. 3966106. For buyers searching for a Volvo WG coolant reservoir or Volvo WI coolant reservoir, part number 603-5510 provides a direct replacement reference for the listed applications. This part cross-references Monroe Shocks \u0026amp; Struts (e.g., 575.1084, 212013201) for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a cracked or leaking coolant reservoir.\u003c\/li\u003e\n\u003cli\u003eRestoring coolant storage capacity in the cooling system.\u003c\/li\u003e\n\u003cli\u003eAddressing cap sealing or pressure-retention issues.\u003c\/li\u003e\n\u003cli\u003eReplacing a damaged reservoir with broken mounting points or brackets.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the ID number 3966106 before ordering. Confirm the reservoir mounting layout, cap style, and pressure rating match the original component. Inspect the cooling system for leaks, hose wear, and cap condition during installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman manufactures this replacement reservoir from quality materials and builds it to match the original part’s fit and function. Part number 603-5510 is intended for the listed Volvo applications.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":53555874889909,"sku":"FKCX-603-5510","price":127.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_6035510_Fro.jpg?v=1792386202","url":"https:\/\/www.partcatalog.com\/products\/dorman-603-5510-engine-coolant-reservoir-front","provider":"PartCatalog","version":"1.0","type":"link"}