{"product_id":"dorman-603-5138-engine-coolant-reservoir","title":"Dorman 603-5138 Engine Coolant Reservoir","description":"\u003ch2\u003eDorman 603-5138 Engine Coolant Reservoir\u003c\/h2\u003e\u003cp\u003eThis Dorman engine coolant reservoir is a direct replacement for applications that need a durable coolant expansion tank with OE-style fit and function. Built from plastic to handle underhood heat and engine vibration, it is a practical choice for maintaining proper coolant level management in the cooling system.\u003c\/p\u003e\u003cp\u003eCompatible With select heavy-duty and commercial vehicle applications, including International 2006-2011 models where this reservoir is specified. The Dorman 603-5138 coolant reservoir is also identified by cross-reference part numbers used in the same application.\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 for heat and vibration resistance\u003c\/li\u003e\n\u003cli\u003eBlack and transparent reservoir body for fluid visibility\u003c\/li\u003e\n\u003cli\u003eIrregular shape with 4 mounting holes and included mounting brackets\u003c\/li\u003e\n\u003cli\u003eSpring-loaded twist cap included\u003c\/li\u003e\n\u003cli\u003eLevel sensor included\u003c\/li\u003e\n\u003cli\u003eNon-pressurized design\u003c\/li\u003e\n\u003cli\u003e9 L capacity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 603-5138 is engineered to match the fit and function of the original coolant reservoir on specified vehicles. Its plastic construction is built for underhood conditions, while the transparent section helps with coolant level checks during routine service. With a 9 L capacity, included cap, mounting brackets, and level sensor, this reservoir supports proper coolant expansion and recovery in the cooling system.\u003c\/p\u003e\u003cp\u003eThis part cross-references 575.10348 and 2507479C91 for the same application. For buyers searching for an International coolant reservoir, International 2006-2011 reservoir replacement, or Dorman 603-5138 coolant tank, this part matches the specified OE-style 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\u003eLow coolant level warnings related to reservoir failure\u003c\/li\u003e\n\u003cli\u003eVisible coolant loss from a damaged expansion tank\u003c\/li\u003e\n\u003cli\u003eBroken cap or sensor-related reservoir issues\u003c\/li\u003e\n\u003cli\u003eCooling system service needs on specified International applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the reservoir shape, mounting hole count, cap style, sensor provision, and capacity against the original part before installation. Transfer or connect any vehicle-specific hoses and electrical connections as required by the application. Confirm the cooling system is filled and bled according to the vehicle service procedure after installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman manufactures this replacement coolant reservoir from quality materials and designs it to match original fit and function for the specified application. The part number 603-5138 is built as an OE-style replacement for cooling system service on supported vehicles.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52778771284149,"sku":"FKCX-603-5138","price":469.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_6035138_Fro.jpg?v=1783577510","url":"https:\/\/www.partcatalog.com\/products\/dorman-603-5138-engine-coolant-reservoir","provider":"PartCatalog","version":"1.0","type":"link"}