{"product_id":"dorman-heater-hose-assembly-626-111-direct-fit-replacement-for-gm-trucks-suvs-improved-thermal-durability","title":"Dorman heater hose assembly 626-111 — direct-fit replacement for GM trucks\/SUVs, improved thermal durability","description":"\u003cp\u003e\u003cstrong\u003eDorman 626-111 is a direct-fit HVAC heater hose assembly built to replace the factory heater hose on specified Cadillac, Chevrolet, and GMC models while resisting temperature extremes and leaks.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis heater hose assembly is an aftermarket replacement engineered to match the original routing and connection points on select GM full-size SUVs and pickup trucks from the late 1990s through the 2007 model year. Designed for professional installation or experienced DIYers, the assembly aims to deliver reliable cabin heating performance and long service life by using materials and design features that stand up to repeated thermal cycling and road conditions.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles will this Dorman heater hose assembly fit?\u003c\/h3\u003e\n\u003cp\u003eThe Dorman 626-111 fits a range of Cadillac Escalade and Escalade EXT models plus many Chevrolet and GMC full-size trucks and SUVs across model years listed by Dorman. Compatibility depends on model year and trim, so confirming fitment with the vehicle lookup (garage tool) before purchase is recommended.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCadillac Escalade, Escalade ESV, Escalade EXT (early 2000s).\u003c\/li\u003e\n  \u003cli\u003eChevrolet Avalanche, Silverado 1500\/2500 (classic and HD variants), Suburban and Tahoe (1999–2007 ranges depending on model).\u003c\/li\u003e\n  \u003cli\u003eGMC Sierra 1500\/2500 and Yukon\/Yukon XL (similar year spread).\u003c\/li\u003e\n  \u003cli\u003eAlways verify exact year\/trim with the garage tool to ensure a match.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this assembly compare to the original equipment part?\u003c\/h3\u003e\n\u003cp\u003eDorman builds this heater hose assembly to replicate the fit and function of the OE part while using aftermarket materials intended to improve resistance to cracking and leaking from heat cycles. The assembly is engineered to maintain the same hose routing, connection interfaces, and mounting points as the factory component for straightforward installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit design mirrors OEM routing and connections for easier replacement.\u003c\/li\u003e\n  \u003cli\u003eMaterial selection targets improved thermal durability and leak resistance.\u003c\/li\u003e\n  \u003cli\u003eManufactured to aftermarket quality standards without dealer pricing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect during installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eInstallation typically involves draining a portion of the cooling system, removing the old assembly, and installing the Dorman unit in the same orientation. Basic hand tools and standard workshop procedures are usually sufficient; professional installation is recommended if you’re not comfortable working on cooling\/heating systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDrain coolant to below the heater core level before removing hoses.\u003c\/li\u003e\n  \u003cli\u003eReplace clamps and inspect adjacent components (thermostat, clamps, heater core) while accessible.\u003c\/li\u003e\n  \u003cli\u003eRefill coolant and bleed the system per manufacturer guidelines to avoid air pockets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy choose this aftermarket heater hose over dealer replacement?\u003c\/h3\u003e\n\u003cp\u003eThe Dorman 626-111 offers a cost-effective alternative to dealer parts by providing a direct-fit assembly engineered for durability at a lower price point. For many owners, it balances value and long-term performance without the premium cost of an OEM-sourced assembly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLower cost than dealer-supplied assemblies while matching fit and function.\u003c\/li\u003e\n  \u003cli\u003eEngineered by an established aftermarket supplier with heater hose expertise.\u003c\/li\u003e\n  \u003cli\u003eGood option for restoring HVAC performance without a full dealer service bill.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This heater hose assembly is suited for owners and technicians working on compatible Cadillac Escalade, Chevrolet, and GMC SUVs and trucks from the model years listed who need a durable, direct-fit replacement. It’s ideal for DIYers with cooling-system experience and repair shops seeking a reliable aftermarket alternative to factory-priced parts. Before ordering, confirm your vehicle’s year, make, and trim in the garage tool to ensure correct fitment.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will Dorman 626-111 fit my Silverado?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Possibly—this assembly covers many Silverado years (1999–2007 variants). Use the vehicle lookup (garage tool) to confirm fit by year and trim before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does installation require special tools?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No special tools are required beyond common hand tools; draining coolant and proper bleeding are necessary steps.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":48086764814494,"sku":"B00IWO66R2","price":64.67,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/dorman-626-111-front-assembly.jpg?v=1785904145","url":"https:\/\/northtrailauto.ca\/products\/dorman-heater-hose-assembly-626-111-direct-fit-replacement-for-gm-trucks-suvs-improved-thermal-durability","provider":"North Trail Auto","version":"1.0","type":"link"}