{"product_id":"dayco-72747-radiator-coolant-hose","title":"Dayco 72747 Radiator Coolant Hose - Upper","description":"\u003ch2\u003eDayco Curved Radiator Hose 72747\u003c\/h2\u003e\u003cp\u003eDayco 72747 is a curved radiator coolant hose built for the upper cooling circuit on select Mercedes-Benz ML350 models. It uses EPDM construction and a dual I.D. hose profile to match the varying connection sizes found in this application.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEPDM rubber construction for coolant-system service\u003c\/li\u003e\n\u003cli\u003eBlack finish for a clean OE-style appearance\u003c\/li\u003e\n\u003cli\u003eDual I.D. hose design with 1 1\/4 in. and 1 9\/16 in. inside diameters\u003c\/li\u003e\n\u003cli\u003eOutside diameters measure 1 13\/16 in. and 1 7\/8 in.\u003c\/li\u003e\n\u003cli\u003eBuilt to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications\u003c\/li\u003e\n\u003cli\u003eCurved radiator hose profile for upper hose routing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Dayco curved radiator hose is engineered for the upper coolant path on 2006-2011 Mercedes-Benz ML350 models. Part number 72747 uses EPDM material for coolant exposure and temperature cycling, while the dual I.D. design supports the different end sizes required by the vehicle’s hose connections. If you are searching for a Mercedes-Benz ML350 upper radiator hose or a Dayco 72747 replacement hose, this part matches the listed application.\u003c\/p\u003e\u003cp\u003eDayco’s Curved Radiator Hose line focuses on formed coolant hoses that follow factory routing and connection geometry. For this Mercedes-Benz ML350 application, the curved shape helps maintain proper hose alignment in the engine bay and supports a direct replacement for the upper radiator hose location.\u003c\/p\u003e\u003cp\u003eThis part cross-references Duralast E72747 and Rein CHR0371R for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCracked or aged upper radiator hose material\u003c\/li\u003e\n\u003cli\u003eCoolant leaks at the hose connection points\u003c\/li\u003e\n\u003cli\u003eImproper hose routing from a damaged formed hose\u003c\/li\u003e\n\u003cli\u003eSoftening or swelling from heat and coolant exposure\u003c\/li\u003e\n\u003cli\u003eReplacement needs for a Mercedes-Benz ML350 upper coolant hose\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the end diameters and routing before installation to confirm the hose matches the original upper radiator hose path. Inspect adjoining clamps, necks, and coolant fittings for wear or corrosion before installing Dayco 72747. After installation, refill and bleed the cooling system according to the vehicle service procedure and check for leaks at operating temperature.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDayco 72747 is manufactured to SAE J20R4 Class D-1 and SAE J1684 Type EC requirements, supporting a specification-based replacement for the listed Mercedes-Benz ML350 fitment.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391523750069,"sku":"BCWL-72747","price":55.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_72747_Fro.jpg?v=1774728625","url":"https:\/\/www.partcatalog.com\/products\/dayco-72747-radiator-coolant-hose","provider":"PartCatalog","version":"1.0","type":"link"}