HomeHVAC > Hoses and PipesDorman 626-602 HVAC Heater Hose Assembly
Part #: 626-602

Dorman 626-602 HVAC Heater Hose Assembly

⚙️ 31 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, E-350 Club Wagon, E-350 Econoline Club Wagon, E-350 Super Duty, Excursion, F-250 Super Duty, and F-350 Super Duty
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Durable HVAC Heater Hose Assembly for Ford Super Duty and Econoline Models

The Dorman 626-602 HVAC heater hose assembly is engineered to provide reliable heating system performance for select Ford vehicles. Designed with precision, this molded steel hose assembly ensures consistent coolant flow and durability for your Ford E-350 Club Wagon, F-250 Super Duty, and other compatible models.

Key Features of the Dorman 626-602 Heater Hose Assembly

  • Constructed from durable steel with a black coated finish for corrosion resistance
  • Molded assembly with a centerline length of 24 inches for exact fitment
  • Two branches with single inside diameter hose type for efficient coolant flow
  • End 1 inside diameter: 0.53 inches; End 2 inside diameter: 0.62 inches
  • End 1 attachment type: hose; End 2 attachment type: straight connection
  • Maximum working pressure rated at 100 PSI for reliable operation
  • Compatible with Ford E-350 Club Wagon, E-350 Econoline Club Wagon, E-350 Super Duty, Excursion, F-250 Super Duty, and F-350 Super Duty models

Detailed Description of the HVAC Heater Hose Assembly

The Dorman 626-602 heater hose assembly is a molded steel component designed to replace worn or damaged heater hoses in Ford heavy-duty and passenger vehicles. Its black coated finish provides added protection against rust and environmental wear. The assembly features two branches and a single inside diameter hose type, ensuring proper coolant circulation within the HVAC system. With a centerline length of 24 inches and precise end diameters, this hose assembly fits securely without the need for additional heat shields or protective sleeves. The maximum working pressure of 100 PSI supports consistent heater core performance under normal operating conditions.

Applications and Common Issues Addressed

  • Replacement of cracked or leaking heater hoses in Ford E-350 and F-Series Super Duty trucks
  • Resolving coolant leaks that cause insufficient cabin heating
  • Eliminating hose collapse or blockage that restricts coolant flow
  • Addressing corrosion-related hose failures in older HVAC systems
  • Maintaining proper heater core function for reliable vehicle climate control

Installation Notes and Tips

This heater hose assembly is designed for direct replacement on compatible Ford models. Ensure the engine is cool before beginning installation to avoid injury from hot coolant. Inspect hose connections and clamps for wear and replace clamps if necessary, as clamps are not included. Verify that the hose routing matches the original configuration to prevent kinks or interference with other engine components.

Quality Assurance and Warranty Information

Dorman manufactures this heater hose assembly to meet or exceed OEM specifications for fit, form, and function. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in material and workmanship. Refer to Dorman’s official warranty policy for complete coverage information.

BrandDorman
Part Number626-602
MaterialSteel
ColorBlack/coated
Clamps IncludedNo
End 1 Inside Diameter0.53
End 2 Inside Diameter0.62
Contains SpringNo
Maximum Working Pressure100
Centerline Length24
Hose ShapeMolded assembly
Protective Sleeve AttachedNo
Grade TypeRegular
Branch Quantity2
Coolant Hose Heat Shield IncludedNo heat shield required
Coolant Hose TypeSingle i.d. (inside diameter)
End 1 Attachment TypeHose
End 2 Attachment TypeStraight
Hose End (1) Outside Diameter (In)0.63 in
Hose End (2) Outside Diameter (In)0.71 in
Package Contents1 heater hose assembly
Thermostatically ControlledNo

This part fits 31 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2017FordE-350 Super Duty6.8LV10N/ATo Back Side of Water Pump
2016FordE-350 Super Duty6.8LV10N/ATo Back Side of Water Pump
2015FordE-350 Super Duty6.8LV10N/ATo Back Side of Water Pump
2014FordE-350 Super Duty6.8LV10N/ATo Back Side of Water Pump
2013FordE-350 Super Duty6.8LV10N/ATo Back Side of Water Pump
2012FordE-350 Super Duty6.8LV10N/ATo Back Side of Water Pump
2011FordE-350 Super Duty6.8LV10N/ATo Back Side of Water Pump
2010FordE-350 Super Duty6.8LV10N/ATo Back Side of Water Pump
2009FordE-350 Super Duty6.8LV10N/ATo Back Side of Water Pump
2008FordE-350 Super Duty6.8LV10N/ATo Back Side of Water Pump
2007FordE-350 Super Duty6.8LV10N/ATo Back Side of Water Pump
2006FordE-350 Super Duty6.8LV10N/ATo Back Side of Water Pump
2005FordE-350 Club Wagon6.8LV10N/ATo Back Side of Water Pump
2005FordE-350 Super Duty6.8LV10N/ATo Back Side of Water Pump
2005FordExcursion6.8LV10N/ATo Back Side of Water Pump
2004FordE-350 Super Duty6.8LV10N/ATo Back Side of Water Pump
2004FordExcursion6.8LV10N/ATo Back Side of Water Pump
2004FordF-250 Super Duty6.8LV10N/ATo Back Side of Water Pump
2004FordF-350 Super Duty6.8LV10N/ATo Back Side of Water Pump
2003FordE-350 Club Wagon6.8LV10N/ATo Back Side of Water Pump
2003FordE-350 Super Duty6.8LV10N/ATo Back Side of Water Pump
2003FordExcursion6.8LV10N/ATo Back Side of Water Pump
2002FordE-350 Econoline Club Wagon6.8LV10N/ATo Back Side of Water Pump
2002FordE-350 Super Duty6.8LV10N/ATo Back Side of Water Pump
2002FordExcursion6.8LV10N/ATo Back Side of Water Pump
2001FordE-350 Econoline Club Wagon6.8LV10N/ATo Back Side of Water Pump
2001FordE-350 Super Duty6.8LV10N/ATo Back Side of Water Pump
2001FordExcursion6.8LV10N/ATo Back Side of Water Pump
2000FordE-350 Econoline Club Wagon6.8LV10N/ATo Back Side of Water Pump
2000FordE-350 Super Duty6.8LV10N/ATo Back Side of Water Pump
2000FordExcursion6.8LV10N/ATo Back Side of Water Pump

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

4C3Z18663CA

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.