{"product_id":"gates-51684-radiator-coolant-hose-upper","title":"Gates 51684 Radiator Coolant Hose - Upper","description":"\u003ch2\u003eOverview of Gates Molded Coolant Hose 51684\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Coolant Hose 51684 is engineered for reliable cooling system performance in BMW 740i and 740Li models. Designed with durable materials and precise dimensions, this radiator coolant hose ensures efficient coolant flow and system integrity.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from EPDM, plastic, and steel for durability and heat resistance\u003c\/li\u003e\n\u003cli\u003eMolded design with three branches and three female quick connectors for modular installation\u003c\/li\u003e\n\u003cli\u003eCenterline length of 279 mm (11 inches) for accurate fitment\u003c\/li\u003e\n\u003cli\u003eMultiple inside diameters: 6 mm, 8 mm, 20 mm, and 32 mm to match specific coolant system requirements\u003c\/li\u003e\n\u003cli\u003eCompatible with BMW 740i and 740Li cooling systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis radiator coolant hose from Gates is part of the Molded Coolant Hose product line, which focuses on precision-molded components designed to meet exact OEM specifications. The Molded Coolant Hose line offers modular hose assemblies that simplify installation and improve coolant system reliability. The 51684 model features three branches and three female quick connectors, allowing for secure and leak-resistant connections without the need for additional springs or clamps.\u003c\/p\u003e\u003cp\u003eManufactured using EPDM rubber combined with plastic and steel reinforcements, this hose resists heat, pressure, and chemical degradation common in automotive cooling systems. The multiple inside diameters accommodate various coolant flow paths within the BMW 740i and 740Li engines, ensuring proper coolant distribution and system efficiency.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or cracked radiator coolant hoses in BMW 740i and 740Li\u003c\/li\u003e\n\u003cli\u003ePrevention of coolant leaks caused by hose degradation or improper fit\u003c\/li\u003e\n\u003cli\u003eRestoration of proper coolant flow to avoid engine overheating\u003c\/li\u003e\n\u003cli\u003eAddressing coolant system failures related to damaged or brittle hoses\u003c\/li\u003e\n\u003cli\u003eUpgrading to a molded hose assembly for improved connection reliability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the cooling system is fully depressurized and cooled before removing the old hose. The molded design with three female quick connectors allows for straightforward installation without additional clamps or springs. Verify that all connections are secure and free of debris to prevent leaks. Check hose routing to avoid kinks or contact with moving engine parts.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eGates Molded Coolant Hose 51684 is manufactured to meet stringent quality standards for automotive cooling components. The use of EPDM, plastic, and steel materials ensures durability and resistance to heat and chemical exposure. While specific warranty details are not provided, Gates products typically adhere to OEM quality requirements, supporting reliable long-term performance in BMW 740i and 740Li vehicles.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":51993850970293,"sku":"BBSC-51684","price":92.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_51684_Top.jpg?v=1775163946","url":"https:\/\/www.partcatalog.com\/products\/gates-51684-radiator-coolant-hose-upper","provider":"PartCatalog","version":"1.0","type":"link"}