{"product_id":"gates-52446-radiator-coolant-hose-upper","title":"Gates 52446 Radiator Coolant Hose - Upper","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eGates 52446 is a molded radiator coolant hose built for upper coolant routing with OEM-quality specifications. It is formed from EPDM and shaped to match the application, helping restore proper coolant flow in the cooling system.\u003c\/p\u003e\u003cp\u003eFits 2022-2024 Blue Bird Vision School Bus, upper. This Gates molded coolant hose line is engineered for a broad range of coolant applications, including radiator, heater, bypass, and other molded hose needs.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEPDM construction for coolant-system durability.\u003c\/li\u003e\n\u003cli\u003eMolded shape for application-specific routing.\u003c\/li\u003e\n\u003cli\u003e1.5 in. and 2 in. end inside diameters for the listed fitment.\u003c\/li\u003e\n\u003cli\u003e25 in. centerline length for the specified hose path.\u003c\/li\u003e\n\u003cli\u003eNo spring included in the hose design.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThe Gates 52446 radiator coolant hose is designed for direct replacement in the cooling circuit where a molded upper hose profile is required. Its EPDM construction resists the heat and coolant exposure common in heavy-duty cooling systems, while the molded form supports a clean routing path without forcing the hose into shape. Gates 52446 is part of the Molded Coolant Hose line, which covers upper, lower, bypass, heater, and other coolant applications with OEM-quality specifications.\u003c\/p\u003e\u003cp\u003eFits 2022-2024 Blue Bird Vision School Bus, upper. For buyers searching for a Blue Bird Vision School Bus upper radiator hose or a Gates 52446 molded coolant hose, this part matches the listed application and dimensions. The hose is cross-referenced to 10072788 and F12108 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn or cracked molded coolant hose.\u003c\/li\u003e\n\u003cli\u003eRestoring coolant flow in an upper radiator hose route.\u003c\/li\u003e\n\u003cli\u003eAddressing leaks caused by heat-aged EPDM hose material.\u003c\/li\u003e\n\u003cli\u003eCorrecting fitment issues from a hose that no longer holds its molded shape.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the hose routing, end diameters, and centerline length against the removed part before installation. Confirm the upper position and molded profile match the vehicle’s cooling layout. Inspect adjoining necks and clamps for wear or corrosion before installing the new hose.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eGates molded coolant hoses are manufactured to OEM-quality specifications for replacement cooling-system service.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":53534294966453,"sku":"BBSC-52446","price":73.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_52446_TOP.jpg?v=1792131626","url":"https:\/\/www.partcatalog.com\/products\/gates-52446-radiator-coolant-hose-upper","provider":"PartCatalog","version":"1.0","type":"link"}