{"product_id":"dorman-603-133-engine-coolant-reservoir","title":"Dorman 603-133 Engine Coolant Reservoir - Front","description":"\u003ch2\u003eOverview of Dorman Engine Coolant Reservoir 603-133\u003c\/h2\u003e\u003cp\u003eThe Dorman 603-133 engine coolant reservoir is designed specifically for Cadillac DeVille, Eldorado, and Seville models. This pressurized coolant reservoir ensures proper coolant storage and system pressure management to maintain engine temperature stability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable black plastic for long-lasting performance\u003c\/li\u003e\n\u003cli\u003eMeasures 230mm in length and 202mm in height for precise fitment\u003c\/li\u003e\n\u003cli\u003eIncludes a spring loaded twist cap rated for a maximum pressure of 15 psi\u003c\/li\u003e\n\u003cli\u003eCap and reservoir included in the package for complete replacement\u003c\/li\u003e\n\u003cli\u003eFeatures three mounting holes for secure installation (mounting hardware not included)\u003c\/li\u003e\n\u003cli\u003eCompatible with Cadillac DeVille, Eldorado, and Seville vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 603-133 engine coolant reservoir is engineered to meet the specifications required by Cadillac DeVille, Eldorado, and Seville models. Made from high-quality plastic, this reservoir is designed to withstand the thermal and pressure demands of the engine cooling system. The reservoir is pressurized and comes with a spring loaded twist cap that maintains system pressure up to 15 psi, helping to prevent coolant loss and overheating. With three mounting holes, the reservoir can be securely attached to the vehicle, although mounting hardware and brackets are not included. The black color and precise dimensions (230mm length and 202mm height) ensure a proper fit and seamless integration with the existing cooling system components.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for cracked or leaking coolant reservoirs in Cadillac DeVille, Eldorado, and Seville\u003c\/li\u003e\n\u003cli\u003eRestores proper coolant pressure to prevent engine overheating\u003c\/li\u003e\n\u003cli\u003eEliminates coolant loss caused by faulty or damaged reservoir caps\u003c\/li\u003e\n\u003cli\u003eHelps maintain optimal engine temperature for improved performance\u003c\/li\u003e\n\u003cli\u003ePrevents air from entering the cooling system, reducing risk of engine damage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the vehicle is cool before removing the old coolant reservoir to avoid injury\u003c\/li\u003e\n\u003cli\u003eCheck that the mounting holes align properly with the vehicle’s frame\u003c\/li\u003e\n\u003cli\u003eUse appropriate mounting hardware as it is not included with this part\u003c\/li\u003e\n\u003cli\u003eInspect hoses and connections for wear or damage during installation\u003c\/li\u003e\n\u003cli\u003eFill the reservoir with the recommended coolant type and bleed the system to remove air pockets\u003c\/li\u003e\n\u003c\/ul\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 603-133 engine coolant reservoir undergoes rigorous quality control to ensure durability and reliability in demanding automotive environments. This part includes a cap and is designed to maintain system pressure up to 15 psi, supporting consistent engine cooling performance. Warranty coverage details can be obtained from the product documentation or manufacturer.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44011086053557,"sku":"BKKY-603-133","price":112.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_603133_Ang.jpg?v=1775008867","url":"https:\/\/www.partcatalog.com\/products\/dorman-603-133-engine-coolant-reservoir","provider":"PartCatalog","version":"1.0","type":"link"}