{"product_id":"motorcraft-upper-radiator-coolant-hose-km-4351-oe-fit-heat-resistant-reinforced-replacement","title":"Motorcraft Upper Radiator Coolant Hose KM-4351 — OE-fit, Heat-Resistant Reinforced Replacement","description":"\u003cp\u003e\u003cstrong\u003eMotorcraft Upper Radiator Coolant Hose KM-4351 is a direct-fit, OE-quality replacement hose engineered to withstand high temperatures and deliver reliable coolant flow for extended service life.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned to meet original equipment specifications, the Motorcraft KM-4351 upper radiator hose replaces the factory part with no modifications required. Constructed from high-quality elastomer compounds and reinforced with durable layers, this hose resists abrasion, heat, and corrosion that commonly degrade cooling system components. Whether you’re performing routine maintenance or restoring cooling system integrity after a failure, this hose provides the performance and fitment typical of Motorcraft parts.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this hose ensure reliable cooling under extreme conditions?\u003c\/h3\u003e\n\u003cp\u003eThe KM-4351 uses materials selected for thermal stability and chemical resistance to maintain shape and flexibility under repeated heating cycles. Reinforcement layers reduce the risk of collapse or bursting when subjected to pressure fluctuations. Together, those design choices keep coolant flowing steadily and reduce the chance of overheating due to hose failure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOE-grade elastomer compound resists high temperature breakdown.\u003c\/li\u003e\n  \u003cli\u003eReinforced construction minimizes pressure-related deformation.\u003c\/li\u003e\n  \u003cli\u003eDesigned to resist coolant and additive chemicals for longer service life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this hose fit my vehicle and how easy is installation?\u003c\/h3\u003e\n\u003cp\u003eMotorcraft KM-4351 is manufactured to the original part’s form, fit, and function, so it installs in the same routing without trimming or adapters. Most installations are straightforward with basic tools: drain the coolant, remove clamps, swap the hose, and refill with the correct coolant.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit replacement to original OEM dimensions and connectors.\u003c\/li\u003e\n  \u003cli\u003eCompatible with standard radiator and thermostat housing connections.\u003c\/li\u003e\n  \u003cli\u003eInstallation typically requires only common shop tools and new clamps.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat durability features extend the hose’s service life?\u003c\/h3\u003e\n\u003cp\u003eThe KM-4351 incorporates abrasion-resistant outer layers and corrosion-resistant inner surfaces that slow the formation of leaks and soft spots. The materials are chosen to resist swelling or hardening from long-term contact with modern coolant formulas and additives.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAbrasion-resistant exterior fights chafing from adjacent components.\u003c\/li\u003e\n  \u003cli\u003eInner surface resists coolant degradation and chemical attack.\u003c\/li\u003e\n  \u003cli\u003eManufacturing controls ensure consistent wall thickness and strength.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I maintain the cooling system after installing the hose?\u003c\/h3\u003e\n\u003cp\u003eAfter installing the KM-4351, use the manufacturer-recommended coolant type, maintain proper coolant level, and periodically inspect hoses and clamps for wear. Regular cooling-system checks help you spot early signs of deterioration and avoid roadside failures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse recommended coolant and replace at suggested intervals.\u003c\/li\u003e\n  \u003cli\u003eCheck hose clamps for tightness and corrosion during service.\u003c\/li\u003e\n  \u003cli\u003eInspect hose surfaces for soft spots, bulges, or leaks at fittings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Motorcraft Upper Radiator Coolant Hose KM-4351 is intended for vehicle owners, technicians, and fleet managers seeking a dependable, OEM-compatible replacement for the upper radiator hose. It’s a good choice when you want a like-for-like part that fits factory routing and provides long-term durability—ideal for routine maintenance, repairs following coolant leaks, or preventative replacement during engine overhauls. If you prioritize correct fit, reliable thermal performance, and materials engineered to resist abrasion and corrosion, the KM-4351 is a practical, professional-grade option.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEnsures long lasting durability\u003c\/li\u003e\n  \u003cli\u003eHighly reliable\u003c\/li\u003e\n  \u003cli\u003eMade of high quality material\u003c\/li\u003e\n  \u003cli\u003eResists abrasion and corrosion\u003c\/li\u003e\n  \u003cli\u003eEnhances hose life\u003c\/li\u003e\n\u003c\/ul\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 Motorcraft KM-4351 a direct replacement for the factory hose?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. KM-4351 is manufactured to original equipment dimensions for direct, no-modification replacement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I know when to replace my upper radiator hose?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace hoses showing cracks, soft spots, bulges, coolant leaks, or age-related hardening during routine inspections.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Motorcraft","offers":[{"title":"Default Title","offer_id":48082906808478,"sku":"B000C5BTG2","price":60.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/motorcraft-km-4351-front-view.jpg?v=1785819130","url":"https:\/\/northtrailauto.ca\/products\/motorcraft-upper-radiator-coolant-hose-km-4351-oe-fit-heat-resistant-reinforced-replacement","provider":"North Trail Auto","version":"1.0","type":"link"}