{"product_id":"cooling-hose-radiator-hose-upper-22891468-for-volvo-mack-21429588-21558423","title":"Cooling Hose Radiator Hose Upper 22891468 for Volvo Mack 21429588 21558423","description":"\u003ch2\u003eCooling Hose Radiator Hose Upper for Volvo Mack\u003c\/h2\u003e\u003cp\u003eThis Cooling Hose Radiator Hose Upper 22891468 is an engine cooling system component designed to carry coolant between the upper radiator outlet and the engine block. It serves as a direct replacement for part numbers 21429588 and 21558423, ensuring proper coolant flow and engine temperature regulation for Volvo and Mack heavy-duty trucks.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis upper radiator hose forms the critical link in the cooling circuit, directing hot coolant from the engine to the radiator for heat dissipation. Engineered for commercial diesel applications, this Cooling Hose Radiator Hose Upper 22891468 matches the original routing and dimensions of the factory hose. It is built to withstand high under-hood temperatures, vibration, and continuous pressure cycles found in long-haul trucking operations.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eConstructed from reinforced EPDM rubber for heat and ozone resistance\u003c\/li\u003e\n\u003cli\u003eDesigned to maintain flexibility in cold weather for easier installation\u003c\/li\u003e\n\u003cli\u003eMolded to match OEM routing and bend angles precisely\u003c\/li\u003e\n\u003cli\u003eResistant to coolant additives and electrolysis\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds OEM specifications for burst pressure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Volvo VNL series with D11, D13, and D16 engines\u003c\/li\u003e\n\u003cli\u003efor Mack Pinnacle, Granite, and TerraPro models with MP7, MP8, and MP10 engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplacing a cracked or leaking upper radiator hose during routine cooling system maintenance\u003c\/li\u003e\n\u003cli\u003eRepairing overheating issues caused by restricted coolant flow\u003c\/li\u003e\n\u003cli\u003eRestoring the cooling system after a radiator or water pump replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22891468, 21429588, 21558423\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUpper Radiator Hose\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eReinforced EPDM Rubber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVolvo and Mack Heavy-Duty Trucks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I know this hose fits my specific truck? \u003cstrong\u003eA:\u003c\/strong\u003e Confirm your engine model and serial number against the OEM part numbers listed, as variations may exist between model years. The cross-referenced numbers 21429588 and 21558423 are provided for verification.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What is the typical service life of this radiator hose? \u003cstrong\u003eA:\u003c\/strong\u003e With proper coolant maintenance, this hose can last 5-7 years or more in normal highway service, but it should be inspected annually for cracks, soft spots, or bulges.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Part Outfitters","offers":[{"title":"Default Title","offer_id":46610312790202,"sku":"ZZ3F09464","price":107.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/2476\/1786\/files\/s-l1600_dfb6e277-d2ab-441a-982e-dc4865023bc3.jpg?v=1788999701","url":"https:\/\/partoutfitters.com\/products\/cooling-hose-radiator-hose-upper-22891468-for-volvo-mack-21429588-21558423","provider":"Part Outfitters","version":"1.0","type":"link"}