HomeBelts and Cooling > Hoses and PipesDorman 624-630 Automatic Transmission Oil Cooler Hose Assembly - Inlet (Passenger Side)
Part #: 624-630

Dorman 624-630 Automatic Transmission Oil Cooler Hose Assembly - Inlet (Passenger Side)

Inlet (Passenger Side)
7 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Hummer, H3 and H3T
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Reliable Automatic Transmission Oil Cooler Hose for Hummer H3 and H3T

The Dorman 624-630 automatic transmission oil cooler hose assembly is designed specifically for Hummer H3 and H3T models. This natural-colored hose combines metal and rubber materials to provide flexibility and durability under a wide range of operating conditions.

  • Length: 7 inches for precise fitment
  • Ends: Quick disconnect fittings on both ends for easy installation
  • Inside diameters: 0.31 inch (End 1) and 0.319 inch (End 2)
  • Hose shape: Straight design for direct routing
  • Material: Combination of metal and rubber for flexibility and strength
  • Maximum working pressure: 500 psi
  • Operating temperature range: -40°F to 329°F
  • Flexible hose construction without internal spring

Durable Construction and Precise Fitment

The Dorman 624-630 hose assembly is engineered to meet the specific requirements of the Hummer H3 and H3T automatic transmission cooling systems. Its metal and rubber construction ensures resistance to heat and pressure while maintaining flexibility for proper routing. The quick disconnect fittings on both ends allow for straightforward replacement without the need for specialized tools. With a maximum working pressure of 500 psi and an operating temperature range from -40°F to 329°F, this hose assembly is built to withstand the demanding conditions of transmission fluid cooling.

Compatible Applications and Common Uses

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

  • Hummer H3
  • Hummer H3T

It is designed to address issues such as:

  • Leaking or cracked transmission cooler hoses
  • Reduced transmission cooling efficiency
  • Fluid contamination due to damaged hoses
  • Hose failure from heat or pressure stress
  • Difficulty in hose removal or installation due to incompatible fittings

Installation Notes and Tips

When installing the Dorman 624-630 hose assembly, ensure the quick disconnect fittings are securely engaged to prevent leaks. Inspect the transmission cooler connections for any debris or damage before installation. The 7-inch length and straight hose shape facilitate a direct fit without the need for modifications. It is recommended to replace any worn clamps or seals during installation, although this hose assembly does not include gaskets or seals.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 624-630 transmission oil cooler hose assembly undergoes rigorous quality control to ensure durability and reliability in service. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or the supplier for exact warranty terms.

BrandDorman
Part Number624-630
Contains SpringNo
End 1 Inside Diameter0.31
End 1 TypeQuick Disconnect
End 2 Inside Diameter0.319
End 2 TypeQuick Disconnect
FlexibleYes
Gasket or Seal IncludedNo
Hose ColorNatural
Hose MaterialMetal
Hose MaterialRubber
Hose ShapeStraight
Length7
Maximum Operating Temperature (┬░F)329 Deg. F
Maximum Working Pressure500
Minimum Operating Temperature (┬░F)-40 Deg. F
Package Contents1 Transmission Line

This part fits 7 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
2010HummerH3AutomaticInlet (Passenger Side)
2010HummerH3TAutomaticInlet (Passenger Side)
2009HummerH3AutomaticInlet (Passenger Side)
2009HummerH3TAutomaticInlet (Passenger Side)
2008HummerH3AutomaticInlet (Passenger Side)
2007HummerH3AutomaticInlet (Passenger Side)
2006HummerH3AutomaticInlet (Passenger Side)

* 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:

15196326

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