{"product_id":"gates-21431-radiator-coolant-hose","title":"Gates 21431 Radiator Coolant Hose - Lower - Pipe To Radiator or Upper - Engine To Pipe","description":"\u003ch2\u003eGates 21431 Molded Coolant Hose Overview\u003c\/h2\u003e\u003cp\u003eGates 21431 is a molded radiator coolant hose built to OEM-quality specifications for select Nissan 300ZX and Toyota Land Cruiser applications. Its EPDM construction and formed shape support proper coolant routing in upper and lower hose locations where a direct-fit replacement matters.\u003c\/p\u003e\u003cp\u003eThe Gates Molded Coolant Hose line covers upper, lower, bypass, heater, and other coolant paths with application-specific shapes. For buyers searching for a radiator coolant hose for a 1984-1989 Nissan 300ZX or a lower coolant hose for a 1988-1992 Toyota Land Cruiser, this part number provides a direct replacement option.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrand: Gates Molded Coolant Hose\u003c\/li\u003e\n\u003cli\u003ePart number: 21431\u003c\/li\u003e\n\u003cli\u003eEPDM rubber construction for coolant service\u003c\/li\u003e\n\u003cli\u003eMolded design for proper hose routing and fit\u003c\/li\u003e\n\u003cli\u003e1.56 in. inside diameter at both ends\u003c\/li\u003e\n\u003cli\u003e12.5 in. centerline length\u003c\/li\u003e\n\u003cli\u003eNo spring and no quick-connect fittings\u003c\/li\u003e\n\u003cli\u003eDirect replacement for upper and lower coolant hose locations listed below\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eGates 21431 is a molded radiator coolant hose engineered for vehicles that require a shaped hose rather than a straight universal section. The EPDM material is selected for cooling-system use, and the molded profile helps maintain the intended routing between the engine, pipe, radiator, or HVAC-related coolant path. This part number is listed for 1984-1989 Nissan 300ZX upper engine-to-pipe and lower pipe-to-radiator positions, as well as 1988-1992 Toyota Land Cruiser lower pipe-to-radiator service. If you are replacing a worn Nissan 300ZX coolant hose or sourcing a Toyota Land Cruiser radiator hose replacement, Gates 21431 is the application-specific option to match the original layout.\u003c\/p\u003e\u003cp\u003eThis part cross-references Dayco 71226 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCracked or hardened radiator hose material\u003c\/li\u003e\n\u003cli\u003eCoolant leaks at a molded hose section\u003c\/li\u003e\n\u003cli\u003eIncorrect hose routing after a previous repair\u003c\/li\u003e\n\u003cli\u003eHeat-related hose deformation in the cooling system\u003c\/li\u003e\n\u003cli\u003eReplacement needs for Nissan 300ZX and Toyota Land Cruiser coolant lines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the hose position before ordering, since Gates 21431 is listed for specific upper and lower locations. Compare the molded shape, end inside diameters, and centerline length to the original hose before installation. Inspect adjoining pipes, clamps, and sealing surfaces for wear or corrosion so the new hose seats correctly in the cooling system.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eGates manufactures this molded coolant hose to OEM-quality specifications for radiator, heater, bypass, and related coolant applications. The Gates molded coolant hose line is built as a broad replacement offering for vehicles that require formed cooling-system hoses.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":45307237597365,"sku":"BBSC-21431","price":24.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_21431_Fro.jpg?v=1775145960","url":"https:\/\/www.partcatalog.com\/products\/gates-21431-radiator-coolant-hose","provider":"PartCatalog","version":"1.0","type":"link"}