{"product_id":"dorman-626-638-hvac-heater-hose-assembly","title":"Dorman 626-638 HVAC Heater Hose Assembly - Outlet","description":"\u003ch2\u003eDurable HVAC Heater Hose Assembly for Select GM Vehicles\u003c\/h2\u003e\u003cp\u003eThe Dorman 626-638 HVAC heater hose assembly is designed to provide reliable coolant flow and heating performance for your Buick Montana, Chevrolet Uplander, Pontiac Relay, or Saturn Terraza. Engineered with quality materials and precise fitment, this molded hose assembly ensures efficient operation of your vehicle's heating system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable rubber and steel for strength and flexibility\u003c\/li\u003e\n\u003cli\u003eIncludes three branches with consistent 0.49-inch inside diameter hoses\u003c\/li\u003e\n\u003cli\u003eProtective sleeve attached to resist abrasion and wear\u003c\/li\u003e\n\u003cli\u003eComes with clamps for secure installation\u003c\/li\u003e\n\u003cli\u003eMaximum working pressure rated at 100 PSI\u003c\/li\u003e\n\u003cli\u003eCenterline length of 17.5 inches for accurate fitment\u003c\/li\u003e\n\u003cli\u003eNatural color molded assembly designed for OEM compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis HVAC heater hose assembly by Dorman features a molded branched design with three hose ends, each having an inside diameter of 0.49 inches and an outside diameter of approximately 0.993 inches. The combination of rubber hose material and steel components provides durability and resistance to heat and pressure within the vehicle's heating system. The assembly includes a protective sleeve to guard against abrasion and comes with clamps to ensure a secure connection to the heater core and other HVAC components. With a maximum working pressure of 100 PSI, this hose assembly is suitable for regular grade applications in compatible GM minivans and crossovers.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis heater hose assembly is compatible with the following GM models:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBuick Montana\u003c\/li\u003e\n\u003cli\u003eChevrolet Uplander\u003c\/li\u003e\n\u003cli\u003ePontiac Relay\u003c\/li\u003e\n\u003cli\u003eSaturn Terraza\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDesigned specifically for these vehicles, the Dorman 626-638 ensures proper fit and function within the HVAC system, helping maintain optimal cabin heating performance.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Heater Hose Assembly\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLeaking or cracked heater hoses causing coolant loss\u003c\/li\u003e\n\u003cli\u003eReduced heating efficiency due to damaged or worn hoses\u003c\/li\u003e\n\u003cli\u003eCoolant contamination from deteriorated hose materials\u003c\/li\u003e\n\u003cli\u003eLoose or failing hose connections leading to system pressure loss\u003c\/li\u003e\n\u003cli\u003eOverheating caused by restricted coolant flow in the heater core\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman 626-638 heater hose assembly, ensure the engine is cool and the cooling system is depressurized. Use the included clamps to secure each hose end firmly to prevent leaks. Verify that the protective sleeve is properly positioned to avoid abrasion against engine components. Check for proper routing to avoid kinks or sharp bends that could restrict coolant flow. It is recommended to inspect related HVAC components during installation for any signs of wear or damage.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. This heater hose assembly undergoes rigorous quality control to ensure proper fit and function. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to the product packaging or Dorman's official documentation for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44040720023733,"sku":"BKKY-626-638","price":112.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_626638_Ang_703ebf3b-0db7-4968-8953-ff829794e787.jpg?v=1775009854","url":"https:\/\/www.partcatalog.com\/products\/dorman-626-638-hvac-heater-hose-assembly","provider":"PartCatalog","version":"1.0","type":"link"}