{"product_id":"dayco-71030-radiator-coolant-hose-upper","title":"Dayco 71030 Radiator Coolant Hose - Upper","description":"\u003ch2\u003eOverview of Dayco Curved Radiator Hose 71030\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose 71030 is designed to provide reliable coolant flow for a range of GM vehicles. Engineered with durable EPDM material, this dual inside diameter hose ensures a secure fit and long-lasting performance in Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-quality EPDM for heat and chemical resistance\u003c\/li\u003e\n\u003cli\u003eDual inside diameters: 1 1\/4 inch and 1 9\/16 inch ends\u003c\/li\u003e\n\u003cli\u003eBlack color for standard OEM appearance\u003c\/li\u003e\n\u003cli\u003eMeets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications\u003c\/li\u003e\n\u003cli\u003eTrunk height of 22 inches for precise fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose 71030 is a dual inside diameter hose designed to replace original equipment on select GM vehicles. Made from EPDM (ethylene propylene diene monomer), this hose offers excellent resistance to heat, ozone, and coolant chemicals, making it suitable for radiator coolant systems. The hose features a curved design to accommodate specific engine bay layouts and has a trunk height of 22 inches, ensuring proper routing without kinks or stress. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant applications.\u003c\/p\u003e\u003cp\u003eThe Curved Radiator Hose product line from Dayco focuses on providing precise fitment and durability for radiator coolant hoses that require specific bends and dual inside diameters. This hose line supports a variety of GM vehicles, ensuring compatibility and reliable coolant flow under demanding conditions.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBuick models including Century, LeSabre, Regal, and Riviera\u003c\/li\u003e\n\u003cli\u003eChevrolet trucks and SUVs such as C10, C10 Suburban, C1500, C1500 Suburban, and C2500 Suburban\u003c\/li\u003e\n\u003cli\u003eGMC trucks and SUVs including C1500 Suburban and C2500 Suburban\u003c\/li\u003e\n\u003cli\u003eOldsmobile models like Cutlass, Cutlass Calais, Cutlass Cruiser, Cutlass Salon, Cutlass Supreme, Delta 88, and 98\u003c\/li\u003e\n\u003cli\u003ePontiac models including Bonneville, Catalina, Grand LeMans, Grand Prix, and Safari\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Radiator Hose\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoolant leaks caused by cracked or worn radiator hoses\u003c\/li\u003e\n\u003cli\u003eOverheating due to restricted or collapsed hoses\u003c\/li\u003e\n\u003cli\u003eImproper fitment from incorrect hose diameter or length\u003c\/li\u003e\n\u003cli\u003ePremature hose failure from exposure to heat and chemicals\u003c\/li\u003e\n\u003cli\u003eCoolant system pressure loss affecting engine temperature regulation\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 radiator hose to prevent burns. Verify the hose ends match the required inside diameters of 1 1\/4 inch and 1 9\/16 inch for proper sealing. Inspect hose clamps and replace if necessary to maintain secure connections. Route the hose carefully to avoid contact with moving parts or sharp edges. After installation, refill the coolant system and check for leaks during engine warm-up.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco manufactures the Curved Radiator Hose 71030 to meet stringent SAE specifications, including J20R4 Class D-1 and J1684 Type EC, ensuring durability and performance. The EPDM material provides resistance to heat, ozone, and coolant chemicals, contributing to extended service life. Warranty details should be confirmed with the original equipment manufacturer or supplier.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":51995874295989,"sku":"BCWL-71030","price":31.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_71030_Fro.jpg?v=1775164152","url":"https:\/\/www.partcatalog.com\/products\/dayco-71030-radiator-coolant-hose-upper","provider":"PartCatalog","version":"1.0","type":"link"}