{"product_id":"dorman-603-397-engine-coolant-reservoir-front","title":"Dorman 603-397 Engine Coolant Reservoir - Front","description":"\u003ch2\u003eEngine Coolant Reservoir for OE-Style Replacement\u003c\/h2\u003e\u003cp\u003eDorman 603-397 is a replacement engine coolant reservoir built from plastic to handle underhood heat and engine vibration. It matches the original part’s fit and function for a direct-style cooling system repair on the correct application.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePlastic construction for cooling system service\u003c\/li\u003e\n\u003cli\u003eWhite reservoir body for easy visual inspection\u003c\/li\u003e\n\u003cli\u003eSpring-loaded twist cap design\u003c\/li\u003e\n\u003cli\u003ePressurized reservoir with a 20 psi cap rating\u003c\/li\u003e\n\u003cli\u003eMounting brackets included for proper installation support\u003c\/li\u003e\n\u003cli\u003eEngineered to match OE fit and function\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eThis Dorman coolant reservoir, part number 603-397, is made to replace a damaged or aging expansion tank in the engine cooling system. It is designed for vehicles that use a pressurized reservoir with a spring-loaded twist cap, helping maintain proper coolant level management and system operation. For buyers searching for a Dorman 603-397 coolant reservoir or an OE-style engine coolant reservoir replacement, this part provides the correct form and function for the listed application. This part cross-references 98KU8K218AD and 1107521 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Fix\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoolant leaks from a cracked or worn reservoir\u003c\/li\u003e\n\u003cli\u003eLow coolant level warnings caused by tank failure\u003c\/li\u003e\n\u003cli\u003eVisible coolant staining around the expansion tank\u003c\/li\u003e\n\u003cli\u003eReservoir damage from heat cycling and vibration\u003c\/li\u003e\n\u003cli\u003eCap sealing issues on a pressurized cooling system\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify reservoir shape, mounting points, cap style, and pressure rating before installation. This Dorman 603-397 coolant reservoir uses a spring-loaded twist cap and includes mounting brackets, but mounting hardware is not included. Confirm the vehicle’s cooling system layout and transfer any reusable components as needed during service.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman manufactures this replacement reservoir from quality materials to withstand underhood heat and engine vibration. It is engineered to match the original part’s fit and function for dependable cooling system service.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52778771054773,"sku":"BKKY-603-397","price":32.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_603397_ANG.jpg?v=1783577465","url":"https:\/\/www.partcatalog.com\/products\/dorman-603-397-engine-coolant-reservoir-front","provider":"PartCatalog","version":"1.0","type":"link"}