{"product_id":"dorman-603-385-engine-coolant-reservoir","title":"Dorman 603-385 Engine Coolant Reservoir - Front","description":"\u003ch2\u003eReliable Engine Coolant Reservoir for Buick, Cadillac, and Chevrolet\u003c\/h2\u003e\u003cp\u003eThe Dorman 603-385 engine coolant reservoir is designed to maintain optimal cooling system performance in select Buick, Cadillac, and Chevrolet models. Engineered with durable plastic and a pressurized cap, this reservoir supports efficient coolant storage and circulation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable plastic material for long-lasting use\u003c\/li\u003e\n\u003cli\u003eMeasures 10 inches in length and height with an irregular shape for precise fitment\u003c\/li\u003e\n\u003cli\u003eIncludes a spring loaded twist cap rated for a maximum pressure of 20 psi\u003c\/li\u003e\n\u003cli\u003eComes with mounting brackets but does not include mounting hardware\u003c\/li\u003e\n\u003cli\u003eCap included and pressurized design supports proper coolant system function\u003c\/li\u003e\n\u003cli\u003eCapacity of 1.2 liters suitable for specified vehicle models\u003c\/li\u003e\n\u003cli\u003eFeatures two mounting holes for secure installation\u003c\/li\u003e\n\u003cli\u003eColor is black and clear for easy coolant level monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman 603-385 engine coolant reservoir is specifically designed for compatibility with Buick Allure, Cadillac SRX and XTS, and Chevrolet Impala, Malibu, Malibu Limited, and Regal models. Its irregular shape and 10-inch dimensions ensure a precise fit within the engine bay. The reservoir is made from sturdy plastic, providing resistance to heat and corrosion. The included spring loaded twist cap maintains system pressure up to 20 psi, which is essential for preventing coolant loss and overheating. Although mounting hardware is not included, the package contains mounting brackets and the cap, facilitating a straightforward replacement process.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplaces cracked or leaking coolant reservoirs causing coolant loss\u003c\/li\u003e\n\u003cli\u003eRestores proper pressure in the cooling system to prevent overheating\u003c\/li\u003e\n\u003cli\u003eEliminates coolant contamination from damaged or worn reservoirs\u003c\/li\u003e\n\u003cli\u003eResolves coolant level monitoring issues with clear reservoir design\u003c\/li\u003e\n\u003cli\u003eAddresses fitment problems in Buick, Cadillac, and Chevrolet cooling systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eBefore installation, ensure the engine is cool to avoid injury from hot coolant. Remove the old reservoir carefully, noting the location of mounting holes and brackets. The Dorman 603-385 includes mounting brackets but requires separate mounting hardware, so verify you have the necessary bolts or screws. Install the reservoir securely using the two mounting holes, and attach the spring loaded twist cap to maintain system pressure. After installation, check for leaks and verify coolant levels to ensure proper operation.\u003c\/p\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 603-385 engine coolant reservoir undergoes rigorous quality control to ensure durability and reliability in demanding automotive environments. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44011147788469,"sku":"BKKY-603-385","price":49.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_603385_Fro_9452f9ec-c49a-4bc2-a67f-61e225ca88b4.jpg?v=1775008920","url":"https:\/\/www.partcatalog.com\/products\/dorman-603-385-engine-coolant-reservoir","provider":"PartCatalog","version":"1.0","type":"link"}