{"product_id":"gates-51621-radiator-coolant-hose-breather-line-or-radiator-air-vent","title":"Gates 51621 Radiator Coolant Hose - Breather Line or Radiator Air Vent","description":"\u003ch2\u003eReliable Radiator Coolant Hose for BMW X5 and X6\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Coolant Hose 51621 is engineered to provide dependable cooling system performance for BMW X5 and X6 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 a female quick connector for secure and leak-free connections\u003c\/li\u003e\n\u003cli\u003eCenterline length of 14 inches (356 mm) for exact fitment\u003c\/li\u003e\n\u003cli\u003eEnd 1 inside diameter: 8 mm (0.3 inches); End 2 inside diameter: 10 mm (0.4 inches)\u003c\/li\u003e\n\u003cli\u003eModular hose with one quick connect fitting, no internal spring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Gates Molded Coolant Hose Product Line\u003c\/h2\u003e\u003cp\u003eThe Molded Coolant Hose line by Gates focuses on precision-molded components that integrate modular connectors for streamlined installation and reliable sealing. This product line is designed to meet OEM specifications, providing consistent performance and compatibility with specific vehicle models such as the BMW X5 and X6.\u003c\/p\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Gates 51621 radiator coolant hose is made from a combination of EPDM rubber, plastic, and steel, materials chosen for their resistance to heat, pressure, and coolant chemicals. The molded construction includes a female quick connector, facilitating a secure and efficient connection without the need for additional clamps or springs. With a centerline length of 14 inches (356 mm), this hose matches the exact routing requirements of the BMW X5 and X6 cooling systems. The hose ends have inside diameters of 8 mm and 10 mm, ensuring proper fitment to mating components.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or cracked radiator coolant hoses in BMW X5 and X6 vehicles\u003c\/li\u003e\n\u003cli\u003eResolving coolant leaks caused by deteriorated or damaged hoses\u003c\/li\u003e\n\u003cli\u003eMaintaining optimal engine temperature by ensuring proper coolant flow\u003c\/li\u003e\n\u003cli\u003ePreventing overheating issues related to compromised hose integrity\u003c\/li\u003e\n\u003cli\u003eSupporting cooling system repairs requiring modular quick connect fittings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the engine is cool before removing the old hose to avoid burns. Verify that the quick connect fitting is fully engaged to prevent leaks. Inspect mating surfaces for debris or damage before installation. The molded design simplifies alignment, but confirm hose routing matches OEM specifications for the BMW X5 or X6. No internal spring is present, so handle the hose carefully to avoid kinks during installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eGates Molded Coolant Hose 51621 is manufactured to meet strict quality standards, ensuring durability and reliable performance in BMW X5 and X6 cooling systems. While specific warranty details are not provided, Gates products typically adhere to OEM quality requirements and industry standards for automotive hoses.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":51993850347701,"sku":"BBSC-51621","price":51.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_51621_Top.jpg?v=1775163941","url":"https:\/\/www.partcatalog.com\/products\/gates-51621-radiator-coolant-hose-breather-line-or-radiator-air-vent","provider":"PartCatalog","version":"1.0","type":"link"}