HomeHVAC > Hoses and PipesDorman 626-303 HVAC Heater Hose Assembly - Outer
Part #: 626-303

Dorman 626-303 HVAC Heater Hose Assembly - Outer

Outer
⚙️ 45 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Dodge, Plymouth, and Chrysler, Caravan, Grand Caravan, Grand Voyager, Voyager, Spirit, Acclaim, LeBaron, Shadow, Sundance, Daytona, Dynasty, and TC Maserati
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Overview of Dorman HVAC Heater Hose Assembly 626-303

The Dorman HVAC Heater Hose Assembly 626-303 is designed for reliable heating system performance in select Chrysler, Dodge, and Plymouth vehicles. Constructed from durable steel, this branched heater hose assembly ensures efficient coolant flow and heat transfer for your vehicle's HVAC system.

  • Material: Steel construction for durability and heat resistance
  • Branched coolant hose type with three flared ends
  • End 1 inside diameter: 1.22 inches; End 2 inside diameter: 0.5 inches; End 3 inside diameter: 1.28 inches
  • Centerline length of 29.5 inches for precise fitment
  • Maximum working pressure rated at 100 psi
  • Natural color finish without protective sleeve or heat shield
  • Clamps not included

Detailed Product Description

The Dorman 626-303 HVAC Heater Hose Assembly is engineered to meet the specifications required for proper heating and cooling system operation in various Chrysler, Dodge, and Plymouth models. Its steel construction provides strength and resistance to heat and pressure, supporting a maximum working pressure of 100 psi. The branched design with three flared ends allows for secure connections to the heater core and other HVAC components. With a centerline length of 29.5 inches, this hose assembly is tailored to fit models such as the Chrysler Acclaim, Dodge Caravan, Plymouth Sundance, and others, ensuring compatibility and ease of installation.

Compatible Vehicles and Applications

  • Chrysler Acclaim, LeBaron, Spirit, Sundance, Voyager, Grand Voyager
  • Dodge Caravan, Grand Caravan, Daytona, Shadow
  • Plymouth Sundance

This heater hose assembly is specifically designed for these models, providing a direct replacement for worn or damaged HVAC heater hoses to restore proper coolant flow and heating performance.

Common Issues Addressed by This Heater Hose Assembly

  • Leaking or cracked heater hoses causing coolant loss
  • Reduced heating efficiency due to damaged or collapsed hoses
  • Overheating issues related to poor coolant circulation in the heater core
  • Corrosion or wear from prolonged exposure to heat and pressure
  • Replacement of original equipment hoses that no longer meet performance standards

Installation Notes and Tips

When installing the Dorman 626-303 heater hose assembly, ensure all connections are clean and free of debris. Since clamps are not included, use appropriate clamps compatible with flared hose ends to secure the assembly. Verify the hose routing matches the original configuration to avoid kinks or interference with other engine components. It is recommended to inspect the entire HVAC system for leaks or damage during installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 626-303 heater hose assembly undergoes rigorous quality control to ensure durability and reliable performance under normal operating conditions. Please refer to Dorman's warranty policy for specific coverage details.

BrandDorman
Part Number626-303
Centerline Length29.5
Clamps IncludedNo
ColorNatural
Coolant Hose Heat Shield IncludedNo
Coolant Hose TypeBranched
End 1 Attachment TypeFlared
End 1 Inside Diameter1.22
End 2 Attachment TypeFlared
End 2 Inside Diameter0.5
End 3 Attachment TypeFlared
End 3 Inside Diameter1.28
Hose End (1) Outside Diameter (In)1.51 in
Hose End (2) Outside Diameter (In)0.63 In
Hose End (3) Outside Diameter (In)1.45 in
MaterialSteel
Maximum Working Pressure100
Package ContentsHeater Hose Assembly
Protective Sleeve AttachedNo
Thermostatically ControlledNo

This part fits 45 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
1996DodgeCaravan3.0LV6OuterWater Pump Tube
1996DodgeGrand Caravan3.0LV6OuterWater Pump Tube
1996PlymouthGrand Voyager3.0LV6OuterWater Pump Tube
1996PlymouthVoyager3.0LV6OuterWater Pump Tube
1995DodgeCaravan3.0LV6OuterWater Pump Tube
1995DodgeSpirit3.0LV6OuterWater Pump Tube
1995PlymouthAcclaim3.0LV6OuterWater Pump Tube
1995PlymouthVoyager3.0LV6OuterWater Pump Tube
1994ChryslerLeBaron3.0LV6OuterWater Pump Tube
1994DodgeCaravan3.0LV6OuterWater Pump Tube
1994DodgeGrand Caravan3.0LV6OuterWater Pump Tube
1994DodgeShadow3.0LV6OuterWater Pump Tube
1994DodgeSpirit3.0LV6OuterWater Pump Tube
1994PlymouthAcclaim3.0LV6OuterWater Pump Tube
1994PlymouthGrand VoyagerOuterWater Pump Tube
1994PlymouthSundance3.0LV6OuterWater Pump Tube
1994PlymouthVoyagerAutomatic3.0LV6OuterWater Pump Tube
1993ChryslerLeBaron3.0LV6OuterWater Pump Tube
1993DodgeCaravan3.0LV6OuterWater Pump Tube
1993DodgeDaytona3.0LV6OuterWater Pump Tube
1993DodgeGrand Caravan3.0LV6OuterWater Pump Tube
1993DodgeShadow3.0LV6OuterWater Pump Tube
1993DodgeSpirit3.0LV6OuterWater Pump Tube
1993PlymouthAcclaim3.0LV6OuterWater Pump Tube
1993PlymouthSundance3.0LV6OuterWater Pump Tube
1993PlymouthVoyager3.0LV6OuterWater Pump Tube
1992ChryslerLeBaron3.0LV6OuterWater Pump Tube
1992DodgeCaravan3.0LV6OuterWater Pump Tube
1992DodgeDaytona3.0LV6OuterWater Pump Tube
1992DodgeShadow3.0LV6OuterWater Pump Tube
1992DodgeSpirit3.0LV6OuterWater Pump Tube
1992PlymouthAcclaim3.0LV6OuterWater Pump Tube
1992PlymouthVoyager3.0LV6OuterWater Pump Tube
1991ChryslerLeBaron3.0LV6OuterWater Pump Tube
1991DodgeCaravan3.0LV6OuterWater Pump Tube
1991DodgeDaytona3.0LV6OuterWater Pump Tube
1991DodgeSpirit3.0LV6OuterWater Pump Tube
1991PlymouthAcclaim3.0LV6OuterWater Pump Tube
1991PlymouthVoyager3.0LV6OuterWater Pump Tube
1990ChryslerLeBaron3.0LV6OuterWater Pump Tube
1990DodgeCaravanAutomatic3.0LV6OuterWater Pump Tube
1990DodgeDaytonaAutomatic3.0LV6OuterWater Pump Tube
1990DodgeSpirit3.0LV6OuterWater Pump Tube
1990PlymouthAcclaim3.0LV6OuterWater Pump Tube
1990PlymouthVoyager3.0LV6OuterWater Pump Tube

* 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:

MD153840

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