{"product_id":"dayco-71658-radiator-coolant-hose-upper","title":"Dayco 71658 Radiator Coolant Hose - Upper","description":"\u003ch2\u003eOverview of Dayco Curved Radiator Hose 71658\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose 71658 is designed to provide reliable coolant flow for select Chevrolet, GMC, and Oldsmobile vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance in demanding engine environments.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-quality EPDM material for heat and chemical resistance\u003c\/li\u003e\n\u003cli\u003eBlack color with a curved design for precise fitment\u003c\/li\u003e\n\u003cli\u003eInside diameter of 1 9\/32 inches on both ends for uniform coolant flow\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 17 1\/2 inches for proper routing in engine bay\u003c\/li\u003e\n\u003cli\u003eSingle inside diameter hose type for consistent coolant transfer\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose line focuses on delivering hoses that match exact OEM specifications for coolant systems. The 71658 part number is a single inside diameter hose made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. This hose features a consistent 1 9\/32 inch inside diameter on both ends, ensuring a secure and leak-free connection. Its curved shape and 17 1\/2 inch trunk height allow it to fit precisely within the cooling system of compatible vehicles without kinking or restricting flow.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis radiator coolant hose is compatible with various Chevrolet, GMC, and Oldsmobile models, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Bravada\u003c\/li\u003e\n\u003cli\u003eGMC Jimmy\u003c\/li\u003e\n\u003cli\u003eChevrolet S10 Blazer\u003c\/li\u003e\n\u003cli\u003eGMC Sonoma\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is designed to maintain proper coolant circulation and prevent overheating issues in these vehicles.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by Dayco Radiator Hose 71658\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoolant leaks caused by cracked or worn hoses\u003c\/li\u003e\n\u003cli\u003eOverheating due to restricted coolant flow\u003c\/li\u003e\n\u003cli\u003eSwelling or softening of hoses from heat exposure\u003c\/li\u003e\n\u003cli\u003eHose collapse or kinking affecting coolant circulation\u003c\/li\u003e\n\u003cli\u003ePremature hose failure from chemical degradation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dayco Curved Radiator Hose 71658, ensure the engine is cool to avoid burns. Verify the hose routing matches the original configuration to prevent kinks or interference with other engine components. Use proper clamps to secure both ends and check for leaks after installation. This hose does not include a heat shield or protective sleeve, so inspect surrounding components for potential abrasion points.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco manufactures the Curved Radiator Hose 71658 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring durability and performance under typical operating conditions. While specific warranty details are not provided, Dayco products are generally backed by quality controls consistent with OEM replacement parts.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":51995875279029,"sku":"BCWL-71658","price":33.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_71658_Fro.jpg?v=1775164158","url":"https:\/\/www.partcatalog.com\/products\/dayco-71658-radiator-coolant-hose-upper","provider":"PartCatalog","version":"1.0","type":"link"}