{"product_id":"dorman-non-pressurized-coolant-reservoir-with-cap-for-acura-tl-2004-2008-honda-accord-2003-2007-direct-fit-heat-resistant","title":"Dorman Non-Pressurized Coolant Reservoir with Cap for Acura TL 2004–2008 \/ Honda Accord 2003–2007 — Direct-Fit, Heat-Resistant","description":"\u003cstrong\u003eReplacement engine coolant reservoir with cap engineered to match original fit and withstand underhood heat and vibration.\u003c\/strong\u003e\n\n\u003cp\u003eIf your vehicle’s coolant overflow tank is cracked, leaking, or the cap no longer seals, the Dorman 603-227 non-pressurized coolant reservoir offers a direct-fit replacement for select Acura TL and Honda Accord model years. Built from materials chosen for durability around the engine bay, this reservoir is made to replicate the fit and mounting points of the factory part so installation is straightforward for DIYers and shops alike.\u003c\/p\u003e\n\n\u003ch3\u003eWill this reservoir fit my Acura TL or Honda Accord?\u003c\/h3\u003e\n\u003cp\u003eThe Dorman 603-227 is designed specifically for certain model years of the Acura TL (2004–2008) and Honda Accord (2003–2007). Before ordering, confirm your exact year and trim using the vehicle fitment tool to ensure correct alignment of mounting bosses and hose connections.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible Acura TL model years: 2004, 2005, 2006, 2007, 2008\u003c\/li\u003e\n  \u003cli\u003eCompatible Honda Accord model years: 2003, 2004, 2005, 2006, 2007\u003c\/li\u003e\n  \u003cli\u003eUse the store’s garage\/fitment checker to verify trim-specific fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does installation compare to the original part?\u003c\/h3\u003e\n\u003cp\u003eThis reservoir is made to match the original in shape, mounting points, and hose locations, which keeps installation simple and reduces the need for modifications. Most buyers will find the swap requires standard hand tools and basic mechanical knowledge.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect replacement design mirrors factory tank geometry\u003c\/li\u003e\n  \u003cli\u003ePre-formed mounting points for bolt- or clip-style attachment\u003c\/li\u003e\n  \u003cli\u003eIncluded cap matches factory sealing style for non-pressurized systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and durability features does it offer?\u003c\/h3\u003e\n\u003cp\u003eManufactured from automotive-grade plastics selected for resistance to heat and vibration, the reservoir is built to endure repeated thermal cycles and road conditions. The construction aims to prevent premature cracking, swelling, or leaks common in older or degraded tanks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHeat-resistant polymer body resists underhood temperatures\u003c\/li\u003e\n  \u003cli\u003eVibration-tolerant design for long-term service life\u003c\/li\u003e\n  \u003cli\u003eFactory-style cap included to maintain proper overflow behavior\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check before and after installing this part?\u003c\/h3\u003e\n\u003cp\u003eBefore installing, inspect hose ends and clamps for wear and replace if necessary to ensure a leak-free connection. After installation, fill the cooling system to the correct level and run the engine to check for leaks and proper coolant circulation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify hose diameter and clamp condition at the connection points\u003c\/li\u003e\n  \u003cli\u003eBleed air from the cooling system per manufacturer instructions\u003c\/li\u003e\n  \u003cli\u003eCheck for leaks after reaching normal operating temperature\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Dorman 603-227 reservoir is intended for vehicle owners and mechanics restoring coolant system reliability on compatible Acura TL and Honda Accord models. It’s a practical option for anyone replacing a cracked or leaking tank who wants a direct-fit, durable component that aligns with factory mounting and sealing methods without custom fabrication.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the cap included with the Dorman 603-227 reservoir?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — this replacement reservoir comes with the matching non-pressurized cap included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install this reservoir myself?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — installation is typically straightforward using common hand tools and basic mechanical skills.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":48085506359454,"sku":"B08V353RK7","price":36.76,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/dorman-coolant-reservoir-front-view_8bf5f663-8a71-43d5-8963-f17d7bddc274.jpg?v=1785871345","url":"https:\/\/northtrailauto.ca\/products\/dorman-non-pressurized-coolant-reservoir-with-cap-for-acura-tl-2004-2008-honda-accord-2003-2007-direct-fit-heat-resistant","provider":"North Trail Auto","version":"1.0","type":"link"}