{"product_id":"dorman-626-502-hvac-heater-hose-assembly","title":"Dorman 626-502 HVAC Heater Hose Assembly","description":"\u003ch2\u003eDurable HVAC Heater Hose Assembly for Buick, Oldsmobile, and Pontiac\u003c\/h2\u003e\u003cp\u003eThe Dorman 626-502 HVAC heater hose assembly is engineered to provide reliable coolant flow for select Buick, Oldsmobile, and Pontiac vehicles. Designed with steel construction and a black coated finish, this hose assembly ensures durability and corrosion resistance in demanding engine environments.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from steel with a black coated finish for enhanced durability\u003c\/li\u003e\n\u003cli\u003eDual inside diameter hose ends: 0.79 inches and 0.5 inches\u003c\/li\u003e\n\u003cli\u003eEnd 1 features a flange attachment; End 2 uses a quick disconnect fitting\u003c\/li\u003e\n\u003cli\u003eMaximum working pressure rated at 100 PSI\u003c\/li\u003e\n\u003cli\u003eCenterline length of 35 inches for precise fitment\u003c\/li\u003e\n\u003cli\u003eDoes not include clamps or protective sleeves\u003c\/li\u003e\n\u003cli\u003eNo heat shield required for coolant hose operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 626-502 HVAC heater hose assembly is specifically designed for use in Buick Aztek, Oldsmobile Silhouette, and Pontiac Montana and Rendezvous models. Its steel construction with a black coated finish offers resistance to heat and corrosion, ensuring long-lasting performance in the vehicle’s heating and cooling system. The hose features dual inside diameters—0.79 inches on one end and 0.5 inches on the other—allowing for a secure connection between different HVAC components. The flange attachment on End 1 and quick disconnect fitting on End 2 facilitate straightforward installation and removal without the need for additional clamps or heat shields. With a maximum working pressure of 100 PSI and a centerline length of 35 inches, this heater hose assembly meets the specifications required for proper coolant flow and system integrity.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or cracked heater hoses in Buick Aztek, Oldsmobile Silhouette, Pontiac Montana, and Rendezvous\u003c\/li\u003e\n\u003cli\u003eResolving coolant leaks caused by deteriorated or damaged HVAC heater hoses\u003c\/li\u003e\n\u003cli\u003eRestoring proper coolant circulation to prevent engine overheating\u003c\/li\u003e\n\u003cli\u003eEliminating rattling or loose hose connections due to failed attachment points\u003c\/li\u003e\n\u003cli\u003eUpgrading to a corrosion-resistant steel hose assembly for improved longevity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure vehicle compatibility with Buick Aztek, Oldsmobile Silhouette, Pontiac Montana, or Rendezvous before installation\u003c\/li\u003e\n\u003cli\u003eVerify hose end diameters and attachment types match existing HVAC system fittings\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to secure flange and quick disconnect fittings without clamps\u003c\/li\u003e\n\u003cli\u003eInspect surrounding components for wear or damage during replacement\u003c\/li\u003e\n\u003cli\u003eTest the HVAC system for leaks and proper coolant flow after installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the 626-502 heater hose assembly to meet or exceed OEM standards for fit, form, and function. The steel construction and coating provide resistance to corrosion and heat degradation. While clamps and heat shields are not included or required, the hose assembly is designed for reliable operation under a maximum working pressure of 100 PSI. Please refer to Dorman’s warranty policy for specific coverage details.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44040175222965,"sku":"BKKY-626-502","price":56.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_626502_Ang.jpg?v=1775009818","url":"https:\/\/www.partcatalog.com\/products\/dorman-626-502-hvac-heater-hose-assembly","provider":"PartCatalog","version":"1.0","type":"link"}