{"title":"Volvo VN Steering \u0026 Suspension Truck Parts","description":"","products":[{"product_id":"volvo-vn-vnl-vnm-coolant-reservoir-expansion-tank-2004-2007-603-5504","title":"Volvo VN\/VNL\/VNM Coolant Reservoir \/ Expansion Tank (2004–2007) – 603-5504","description":"\u003cp\u003eThe \u003cstrong\u003eROADWEST 603-5504 Engine Coolant Reservoir Tank\u003c\/strong\u003e is designed as a direct aftermarket replacement for Volvo VN, VNL and VNM heavy-duty trucks. Built to OEM standards, it restores proper coolant storage and circulation to keep your engine running at the correct operating temperature.\u003c\/p\u003e\n\u003cp\u003eManufactured from quality materials and engineered to withstand underhood heat and constant vibration, this coolant reservoir tank is an ideal solution when your original tank is cracked, leaking or discolored. By properly managing coolant expansion and return, it helps prevent air from entering the system and reduces the risk of corrosion and overheating.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect aftermarket replacement\u003c\/strong\u003e – Matches OE part numbers \u003cstrong\u003e20519037, 20519039, 8140024, 1674922, 20461002, 20505819\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle-specific fit\u003c\/strong\u003e – Designed for Volvo VN, VNL and VNM trucks (2004–2007).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction\u003c\/strong\u003e – Built from high-quality materials to resist underhood heat, engine vibration and long-term use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved cooling performance\u003c\/strong\u003e – Helps control coolant flow and supports quick warm-up to working temperature while preventing continuous air ingress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal OE-style solution\u003c\/strong\u003e – Engineered for a seamless installation with no major modifications required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImportant note\u003c\/strong\u003e – Always verify your truck’s \u003cstrong\u003eYear \/ Make \/ Model\u003c\/strong\u003e and OE part number before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eThis engine coolant reservoir \/ overflow expansion tank is compatible with selected Volvo heavy-duty trucks, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolvo VN\u003c\/strong\u003e (2004–2007)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolvo VNL\u003c\/strong\u003e (2004–2007)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolvo VNM\u003c\/strong\u003e (2004–2007)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor best results, confirm that one of the OE part numbers below matches your original tank:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e20519037\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e20519039\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e8140024\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1674922\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e20461002\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e20505819\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eROADWEST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eEngine Coolant Reservoir \/ Expansion Tank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOE Reference\u003c\/th\u003e\n\u003ctd\u003e20519037, 20519039, 8140024, 1674922, 20461002, 20505819\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVehicle Service Type\u003c\/th\u003e\n\u003ctd\u003eVolvo VN, Volvo VNL, Volvo VNM (2004–2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eExterior Finish\u003c\/th\u003e\n\u003ctd\u003eMetal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFuel Type\u003c\/th\u003e\n\u003ctd\u003eDiesel (heavy-duty truck applications)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eItem Weight\u003c\/th\u003e\n\u003ctd\u003eApprox. 3.38 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003ctd\u003eStores and regulates coolant, helps maintain system pressure and engine operating temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInstallation\u003c\/th\u003e\n\u003ctd\u003eDirect-fit replacement; professional installation recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eROADWEST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"ROADWEST","offers":[{"title":"Default Title","offer_id":41857496055911,"sku":"B09X17JJN2","price":81.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7612\/3239\/files\/volvo-vnvnlvnm-coolant-reservoir-expansion-tank-2004-2007-603-5504-roadwest-truck-parts-b09x17jjn2-high-soar-1770545.jpg?v=1768890858"}],"url":"https:\/\/roadwesttruckparts.com\/collections\/volvo-vn-steering-suspension-truck-parts.oembed","provider":"RoadWest Truck Parts","version":"1.0","type":"link"}