Dorman 626-736 Heater Hose Assembly

The Dorman 626-736 heater hose assembly is a molded branched replacement for select Ford Expedition and Lincoln Navigator models with lower auxiliary coolant pump routing. It uses an upgraded aluminum T-connector in place of the original plastic design to address a common failure point in the HVAC heater hose assembly.

Built with rubber, mesh reinforcement, and aluminum, this standard replacement hose is shaped to match the original routing and connection points. It is a direct-fit solution for 2015-2017 Ford Expedition and 2015-2017 Lincoln Navigator applications listed below.

Key Features

• OE FIX replacement for the original heater hose assembly
• Upgraded aluminum T-connector for improved durability
• Molded branched design for factory-style routing
• Rubber and mesh construction with black finish
• Clamp-style end attachments
• Includes clamps
• Maximum working pressure: 100 PSI
• Part number: 626-736

Detailed Description

Dorman 626-736 is engineered as a standard replacement heater hose assembly for lower auxiliary coolant pump applications. The molded assembly follows the original hose layout and uses a three-branch configuration to match the factory plumbing on the vehicle. The aluminum connector is used to replace the plastic T-connector commonly found on the original equipment hose, helping address a known weak point in the cooling system. This part cross-references Ford OE number FL1Z8075A for the same application.

Compatible With 2015-2017 Ford Expedition, lower; and 2015-2017 Lincoln Navigator, lower. If you are searching for a Ford Expedition heater hose assembly or a Lincoln Navigator lower auxiliary coolant pump hose, Dorman 626-736 is built for those exact vehicle listings.

Common Problems This Part Can Address

• Cracked plastic T-connector in the heater hose assembly
• Coolant leakage at the hose junction
• Degraded rubber hose sections from age and heat
• Loss of proper coolant flow to the auxiliary coolant pump circuit
• Fitment issues caused by a damaged molded hose assembly

Installation Notes and Tips

Verify the vehicles lower auxiliary coolant pump hose routing before installation and compare the original part to the replacement assembly. Inspect mating surfaces, clamps, and adjacent coolant components for wear or residue before reassembly. After installation, refill and bleed the cooling system according to factory service procedures and check for leaks at all connection points.

Quality Assurance

Dorman OE FIX parts are developed to address common failure points in original equipment designs while maintaining factory-style fit and function. The 626-736 heater hose assembly uses an aluminum connector upgrade to improve durability in the affected Ford Expedition and Lincoln Navigator applications.