HomeBelts and Cooling > Hoses and PipesDorman 624-442 Automatic Transmission Oil Cooler Hose Assembly - Auxiliary Cooler to Radiator (Passenger Side)
Part #: 624-442

Dorman 624-442 Automatic Transmission Oil Cooler Hose Assembly - Auxiliary Cooler to Radiator (Passenger Side)

Auxiliary Cooler to Radiator (Passenger Side)
12 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and GMC, Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500
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Reliable Automatic Transmission Oil Cooler Hose Assembly

The Dorman 624-442 automatic transmission oil cooler hose assembly is designed to provide a durable and efficient cooling solution for your Chevrolet and GMC heavy-duty trucks. Engineered to meet the demands of Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500 models, this hose assembly ensures proper transmission fluid flow and temperature regulation.

  • Length: 29.5 inches for precise fitment
  • Hose color: Black rubber for durability and heat resistance
  • Quick disconnect fittings on both ends for easy installation and removal
  • Maximum working pressure of 250 PSI to handle transmission fluid pressure
  • Operating temperature range from -40°F to 329°F for reliable performance in various climates
  • Straight hose shape for direct routing without kinks
  • Flexible rubber and metal construction for durability and vibration resistance

Durable Construction and Design Features

The Dorman 624-442 hose assembly combines rubber and metal materials to provide flexibility and strength, essential for maintaining transmission fluid integrity under pressure and temperature fluctuations. The black rubber hose is resistant to heat and wear, while the quick disconnect fittings on both ends simplify maintenance and replacement. With a straight hose shape and a length of 29.5 inches, this assembly fits precisely in the transmission cooling system of compatible Chevrolet and GMC trucks.

Compatible Vehicles and Applications

This automatic transmission oil cooler hose assembly is compatible with the following vehicles:

  • Chevrolet Sierra 2500 HD
  • Chevrolet Sierra 3500
  • Chevrolet Silverado 2500 HD
  • Chevrolet Silverado 3500
  • GMC Sierra 2500 HD
  • GMC Sierra 3500

It is designed to maintain optimal transmission fluid temperature by connecting the transmission to the oil cooler, helping prevent overheating and transmission damage.

Common Issues Addressed by This Hose Assembly

  • Transmission fluid leaks due to cracked or worn hoses
  • Overheating caused by restricted or damaged cooler lines
  • Loss of transmission fluid pressure affecting shifting performance
  • Corrosion or wear from exposure to heat and road elements
  • Difficulty in servicing transmission cooler lines without quick disconnect fittings

Installation Notes and Tips

When installing the Dorman 624-442 hose assembly, ensure the quick disconnect fittings are securely engaged to prevent leaks. The straight hose shape allows for straightforward routing without bending or kinking. Verify the hose length and diameter match your vehicle’s specifications before installation. It is recommended to inspect the transmission cooler system for any additional wear or damage during replacement.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. While specific warranty details for part number 624-442 are not provided here, Dorman typically offers limited warranties covering defects in material and workmanship. Consult the product packaging or Dorman’s official resources for exact warranty terms.

BrandDorman
Part Number624-442
Hose ColorBlack
Hose ColorNegro
Hose ColorNoir
Length29.5
End 1 TypeDesconexión rápida
End 1 TypeQuick disconnect
End 2 TypeDesconexión rápida
End 2 TypeQuick disconnect
End 1 Inside Diameter13.4
End 2 Inside Diameter0.55
Contains SpringNo
Contains SpringNon
Maximum Working Pressure250
Hose ShapeRecto
Hose ShapeStraight
Hose MaterialCaucho
Hose MaterialMetal
Hose MaterialRubber
Fittings IncludedNo
Fittings IncludedNon
Contenidos del paquete1 línea de transmisión
FlexibleOui
Flexible
FlexibleYes
Gasket Or Seal IncludedNo
Gasket Or Seal IncludedNon
Housing ColorNatural
Maximum Operating Temperature (°F)329 deg. f.
Minimum Operating Temperature (°F)-40 deg. f.
Package Contents1 transmission line

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005ChevroletSilverado 2500 HD6.6LV8Auxiliary Cooler to Radiator (Passenger Side)
2005ChevroletSilverado 35006.6LV8Auxiliary Cooler to Radiator (Passenger Side)
2005GMCSierra 2500 HD6.6LV8Auxiliary Cooler to Radiator (Passenger Side)
2005GMCSierra 35006.6LV8Auxiliary Cooler to Radiator (Passenger Side)
2004ChevroletSilverado 2500 HD6.6LV8Auxiliary Cooler to Radiator (Passenger Side)
2004ChevroletSilverado 35006.6LV8Auxiliary Cooler to Radiator (Passenger Side)
2004GMCSierra 2500 HD6.6LV8Auxiliary Cooler to Radiator (Passenger Side)
2004GMCSierra 35006.6LV8Auxiliary Cooler to Radiator (Passenger Side)
2003ChevroletSilverado 2500 HD6.6LV8Auxiliary Cooler to Radiator (Passenger Side)ID Code UCX
2003ChevroletSilverado 35006.6LV8Auxiliary Cooler to Radiator (Passenger Side)ID Code UCX
2003GMCSierra 2500 HD6.6LV8Auxiliary Cooler to Radiator (Passenger Side)ID Code UCX
2003GMCSierra 35006.6LV8Auxiliary Cooler to Radiator (Passenger Side)ID Code UCX

* 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:

15170217

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