HomeBelts and Cooling > Hoses and PipesDorman 624-339 Automatic Transmission Oil Cooler Hose Assembly - Auxiliary Cooler To Tube (Lower)
Part #: 624-339

Dorman 624-339 Automatic Transmission Oil Cooler Hose Assembly - Auxiliary Cooler To Tube (Lower)

Auxiliary Cooler To Tube (Lower)
4 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Dodge, Ram 2500 and Ram 3500
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Automatic Transmission Oil Cooler Hose Assembly

The Dorman 624-339 automatic transmission oil cooler hose assembly is designed to provide a durable and flexible connection for your Dodge Ram 2500 and Ram 3500 models. Engineered with quality rubber material and quick disconnect ends, this hose assembly ensures efficient transmission fluid flow under varying temperature and pressure conditions.

  • Natural-colored rubber hose for durability and flexibility
  • 14-inch length suitable for Dodge Ram 2500 and Ram 3500 transmission systems
  • Quick disconnect fittings on both ends for easy installation and removal
  • Operates reliably between -40°F and 329°F
  • Maximum working pressure of 100 PSI
  • Flexible design without internal spring for smooth fluid flow
  • Includes one transmission line per package

Durable Construction and Performance Features

This automatic transmission oil cooler hose assembly from Dorman is constructed from high-quality rubber, providing flexibility and resistance to temperature extremes. The hose maintains integrity in temperatures ranging from -40°F to 329°F, making it suitable for demanding operating environments. Both ends feature quick disconnect fittings, allowing for straightforward connection and disconnection without specialized tools. The hose is designed to handle a maximum working pressure of 100 PSI, ensuring reliable transmission fluid circulation and cooling.

Compatible Vehicles and Part Number Details

The Dorman 624-339 hose assembly is specifically compatible with Dodge Ram 2500 and Ram 3500 trucks. This part number corresponds to a 14-inch transmission oil cooler hose assembly that meets OEM specifications for these models. Using the correct hose assembly helps maintain proper transmission cooling and prevents leaks or pressure loss in the transmission fluid system.

Common Applications and Problem Resolution

  • Replacement of worn or cracked transmission oil cooler hoses
  • Resolving transmission fluid leaks caused by damaged hoses
  • Maintaining proper transmission fluid pressure and flow
  • Preventing overheating of transmission fluid in Dodge Ram 2500 and 3500
  • Ensuring secure connections with quick disconnect fittings

Installation Notes and Tips

When installing the Dorman 624-339 hose assembly, ensure the quick disconnect fittings are fully engaged to prevent leaks. Inspect the transmission cooler lines and surrounding components for damage before installation. The hose’s flexible rubber construction allows for easier routing in tight engine compartments. Avoid twisting or kinking the hose during installation to maintain optimal fluid flow.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 624-339 transmission oil cooler hose assembly undergoes quality checks to ensure durability and performance under specified temperature and pressure ranges. Please refer to Dorman’s warranty policy for coverage details on this part.

BrandDorman
Part Number624-339
Hose ColorNatural
Length14
End 1 TypeQuick disconnect
End 2 TypeQuick disconnect
Contains SpringNo
Maximum Working Pressure100
Hose MaterialRubber
FlexibleYes
Gasket or Seal IncludedNo
Maximum Operating Temperature (┬░F)329
Minimum Operating Temperature (┬░F)-40 deg. f.
Package Contents1 transmission line

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004DodgeRam 25005.9LL6Auxiliary Cooler To Tube (Lower)
2004DodgeRam 35005.9LL6Auxiliary Cooler To Tube (Lower)
2003DodgeRam 25005.9LL6Auxiliary Cooler To Tube (Lower)
2003DodgeRam 35005.9LL6Auxiliary Cooler To Tube (Lower)

* 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:

55056419AA5801377

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