{"product_id":"dorman-626-738-radiator-coolant-hose-lower","title":"Dorman 626-738 Radiator Coolant Hose - Lower","description":"\u003ch2\u003eDurable Radiator Coolant Hose for GM Trucks and SUVs\u003c\/h2\u003e\u003cp\u003eThe Dorman 626-738 radiator coolant hose is engineered to provide reliable cooling system performance for select Cadillac, Chevrolet, and GMC vehicles. Designed as a standard replacement part, this molded assembly hose ensures proper coolant flow and system integrity.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from EPDM rubber, metal, and plastic materials for durability and heat resistance\u003c\/li\u003e\n\u003cli\u003eBlack color with a protective sleeve attached for added abrasion protection\u003c\/li\u003e\n\u003cli\u003eMolded assembly hose shape with two branches for precise fitment\u003c\/li\u003e\n\u003cli\u003eInside diameters: 40mm and 25mm ends, with a maximum working pressure of 100 psi\u003c\/li\u003e\n\u003cli\u003eMaximum bend angle of 90 degrees to accommodate engine bay routing\u003c\/li\u003e\n\u003cli\u003eCenterline length approximately 3627.86 mm for accurate replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Construction\u003c\/h2\u003e\u003cp\u003eThe Dorman 626-738 radiator coolant hose features a molded assembly design that includes two branches, allowing it to fit complex coolant routing in vehicles such as the Cadillac Escalade, Chevrolet Silverado 1500, and GMC Yukon. The hose is made from EPDM rubber, known for its resistance to heat, ozone, and coolant chemicals, combined with metal and plastic components to maintain structural integrity. The black hose includes a protective sleeve to guard against abrasion and wear, extending the service life of the part. With inside diameters of 40mm and 25mm at the hose ends, this hose supports a maximum working pressure of 100 psi, suitable for standard cooling system requirements.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis radiator coolant hose is compatible with the following GM models:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCadillac Escalade and Escalade ESV\u003c\/li\u003e\n\u003cli\u003eChevrolet Silverado 1500, Silverado 1500 LD\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 1500, Sierra 1500 Limited\u003c\/li\u003e\n\u003cli\u003eChevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003eGMC Yukon and Yukon XL\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is designed to replace original equipment hoses that have failed due to wear, cracking, or leaks, ensuring proper coolant circulation and engine temperature regulation.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Radiator Coolant Hose\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoolant leaks caused by cracked or deteriorated hoses\u003c\/li\u003e\n\u003cli\u003eOverheating due to restricted or collapsed hoses\u003c\/li\u003e\n\u003cli\u003eCoolant contamination from hose material breakdown\u003c\/li\u003e\n\u003cli\u003eLoss of coolant pressure affecting engine cooling efficiency\u003c\/li\u003e\n\u003cli\u003eHose damage from abrasion or improper fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman 626-738 radiator coolant hose, ensure the engine is cool to prevent burns. Verify hose routing matches the original configuration, paying attention to the molded assembly branches. Inspect hose clamps and replace if necessary to maintain a secure seal. The protective sleeve should be positioned to prevent contact with sharp edges or moving components. Proper installation will help maintain coolant system pressure and prevent leaks.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures this radiator coolant hose to meet or exceed OEM standards for fit, form, and function. The use of EPDM rubber and durable materials ensures resistance to heat and coolant chemicals. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in material and workmanship, supporting long-term reliability in your Cadillac Escalade, Chevrolet Silverado, or GMC Yukon cooling system.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":51995922923701,"sku":"BKKY-626-738","price":139.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_626738_Ang.jpg?v=1775165491","url":"https:\/\/www.partcatalog.com\/products\/dorman-626-738-radiator-coolant-hose-lower","provider":"PartCatalog","version":"1.0","type":"link"}