HomeBelts and Cooling > Hoses and PipesDorman 624-143 Automatic Transmission Oil Cooler Hose Assembly - Transmission to Radiator (Upper)
Part #: 624-143

Dorman 624-143 Automatic Transmission Oil Cooler Hose Assembly - Transmission to Radiator (Upper)

Transmission to Radiator (Upper)
19 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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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick, Chevrolet, and Pontiac, Allure, Grand Prix, Impala, LaCrosse, and Monte Carlo
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Reliable Automatic Transmission Oil Cooler Hose Assembly

The Dorman 624-143 automatic transmission oil cooler hose assembly is designed to maintain optimal transmission fluid flow and temperature control. Engineered for durability and flexibility, this hose assembly is compatible with select Buick, Chevrolet, and Pontiac models, including the Allure, Grand Prix, Impala, LaCrosse, and Monte Carlo.

  • Length: 52 inches for precise fitment
  • Hose Material: Combination of metal and rubber for strength and flexibility
  • Ends: Male quick disconnect fittings on both ends for secure and easy connection
  • Maximum Working Pressure: 100 PSI to handle transmission fluid pressure
  • Operating Temperature Range: -40°F to 329°F for reliable performance in varied conditions
  • Flexible design without internal spring for smooth fluid flow
  • Natural hose color for easy identification

Durable Construction and Precise Fitment

The Dorman 624-143 hose assembly combines metal and rubber materials to provide a balance of durability and flexibility, essential for the demanding environment of automatic transmission cooling systems. The 52-inch length ensures compatibility with specific vehicle models, while the male quick disconnect fittings on both ends allow for straightforward installation and secure connections. This hose assembly is engineered to withstand pressures up to 100 PSI and operate efficiently across a wide temperature range from -40°F to 329°F, making it suitable for various driving conditions.

Compatible Vehicles and Applications

This transmission oil cooler hose assembly is compatible with the following makes and models:

  • Buick Allure and LaCrosse
  • Chevrolet Impala and Monte Carlo
  • Pontiac Grand Prix

It is designed to replace worn or damaged transmission cooler lines, ensuring proper fluid circulation and temperature regulation within the transmission system.

Common Issues Addressed by This Hose Assembly

  • Leaking or cracked transmission cooler hoses causing fluid loss
  • Reduced transmission cooling efficiency due to damaged or collapsed hoses
  • Transmission overheating from inadequate fluid flow
  • Difficulty in connecting or disconnecting transmission lines due to worn fittings
  • Premature hose failure from exposure to extreme temperatures and pressure

Installation Notes and Tips

When installing the Dorman 624-143 hose assembly, ensure the vehicle is cool and the transmission fluid system is depressurized. Verify that the male quick disconnect fittings align properly with the vehicle’s transmission cooler ports. Avoid twisting or kinking the hose during installation to maintain fluid flow integrity. Inspect surrounding components for wear or damage and replace as necessary to prevent future leaks.

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 624-143 are not provided here, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to the product packaging or Dorman’s official resources for exact warranty terms.

BrandDorman
Part Number624-143
Hose ColorNatural
Length52
End 1 TypeMale quick disconnect
End 2 TypeMale quick disconnect
Contains SpringNo
Maximum Working Pressure100
Hose MaterialMetal
Hose MaterialRubber
FlexibleYes
Maximum Operating Temperature (┬░F)329
Minimum Operating Temperature (┬░F)-40
Package Contents1 transmission line

This part fits 19 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009BuickAllure3.8LV6Transmission to Radiator (Upper)
2009BuickLaCrosse3.8LV6Transmission to Radiator (Upper)
2008BuickAllure3.8LV6Transmission to Radiator (Upper)
2008BuickLaCrosse3.8LV6Transmission to Radiator (Upper)
2008PontiacGrand Prix3.8LV6Transmission to Radiator (Upper)
2007BuickAllure3.8LV6Transmission to Radiator (Upper)
2007BuickLaCrosse3.8LV6Transmission to Radiator (Upper)
2007PontiacGrand Prix3.8LV6Transmission to Radiator (Upper)
2006BuickAllure3.8LV6Transmission to Radiator (Upper)
2006BuickLaCrosse3.8LV6Transmission to Radiator (Upper)
2006PontiacGrand Prix3.8LV6Transmission to Radiator (Upper)
2005BuickAllure3.8LV6Transmission to Radiator (Upper)
2005BuickLaCrosse3.8LV6Transmission to Radiator (Upper)
2005ChevroletImpalaTransmission to Radiator (Upper)
2005ChevroletMonte CarloTransmission to Radiator (Upper)
2005PontiacGrand Prix3.8LV6Transmission to Radiator (Upper)
2004ChevroletImpalaTransmission to Radiator (Upper)From 2/01/04
2004ChevroletMonte CarloTransmission to Radiator (Upper)From 2/01/04
2004PontiacGrand PrixTransmission to Radiator (Upper)From 2/01/04

* 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:

103241975801057SK624143

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