{"product_id":"dorman-603-043-engine-coolant-reservoir","title":"Dorman 603-043 Engine Coolant Reservoir - Front","description":"\u003ch2\u003eOverview of Dorman Engine Coolant Reservoir for Mazda 3\u003c\/h2\u003e\u003cp\u003eThe Dorman 603-043 engine coolant reservoir is designed specifically for Mazda 3 and Mazda 3 Sport models. This clear plastic coolant reservoir includes a spring loaded twist cap and is engineered to maintain proper coolant levels under pressurized conditions, ensuring reliable engine cooling performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaterial: Durable clear plastic construction\u003c\/li\u003e\n\u003cli\u003eDimensions: 192 mm length, 140 mm height\u003c\/li\u003e\n\u003cli\u003ePressurized reservoir with a maximum cap pressure rating of 21 psi\u003c\/li\u003e\n\u003cli\u003eIncludes one spring loaded twist cap\u003c\/li\u003e\n\u003cli\u003eMounting hole quantity: 1 (mounting hardware and brackets not included)\u003c\/li\u003e\n\u003cli\u003ePackage contains 1 coolant reservoir and 1 cap\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 603-043 engine coolant reservoir is a direct replacement part designed to fit Mazda 3 and Mazda 3 Sport vehicles. Constructed from clear plastic, it allows for easy visual inspection of coolant levels. The reservoir is pressurized, which helps maintain the correct pressure in the cooling system, preventing overheating and coolant loss. The included spring loaded twist cap is rated for a maximum pressure of 21 psi, ensuring a secure seal and proper system function. With a single mounting hole, this reservoir is designed for straightforward installation, although mounting hardware and brackets are not included.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of cracked or leaking coolant reservoirs\u003c\/li\u003e\n\u003cli\u003eResolving coolant overflow or low coolant level warnings\u003c\/li\u003e\n\u003cli\u003eFixing coolant system pressure loss due to faulty reservoir caps\u003c\/li\u003e\n\u003cli\u003ePreventing engine overheating caused by coolant loss\u003c\/li\u003e\n\u003cli\u003eMaintaining proper coolant circulation in Mazda 3 and 3 Sport models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify compatibility with your Mazda 3 or Mazda 3 Sport before installation\u003c\/li\u003e\n\u003cli\u003eEnsure the old reservoir is fully drained and removed carefully to avoid coolant spills\u003c\/li\u003e\n\u003cli\u003eUse appropriate mounting hardware as it is not included with this part\u003c\/li\u003e\n\u003cli\u003eCheck the condition of hoses and clamps during installation and replace if necessary\u003c\/li\u003e\n\u003cli\u003eAfter installation, refill the cooling system and bleed air to prevent overheating\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 specifications for fit and function. The 603-043 engine coolant reservoir undergoes quality checks to ensure durability and performance. This part includes the coolant reservoir and cap, both designed to maintain system integrity. Please refer to Dorman's warranty policy for specific coverage details.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44011072585909,"sku":"BKKY-603-043","price":50.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_603043_Ang.jpg?v=1775008848","url":"https:\/\/www.partcatalog.com\/products\/dorman-603-043-engine-coolant-reservoir","provider":"PartCatalog","version":"1.0","type":"link"}