HomeBelts and Cooling > Hoses and PipesDorman 624-894 Automatic Transmission Oil Cooler Hose Assembly - Transmission to Radiator (Lower)
Part #: 624-894

Dorman 624-894 Automatic Transmission Oil Cooler Hose Assembly - Transmission to Radiator (Lower)

Transmission to Radiator (Lower)
8 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$65.49Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
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: Chevrolet and GMC, Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 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 624-894 automatic transmission oil cooler hose assembly is designed to provide a durable and precise fit for Chevrolet and GMC heavy-duty trucks. Engineered to withstand high temperatures and pressures, this hose assembly ensures efficient transmission fluid cooling for optimal vehicle performance.

  • Length: 43 inches for proper routing and fitment
  • Hose Material: Combination of metal and rubber for strength and flexibility
  • End Connections: Male quick disconnect fittings on both ends for secure and easy installation
  • Maximum Working Pressure: 100 PSI to handle transmission fluid flow demands
  • Operating Temperature Range: -40°F to 329°F suitable for extreme conditions
  • Color: Natural hose color for easy identification
  • Non-flexible design to maintain hose integrity under pressure

Durable Construction and Precise Fitment

This Dorman transmission oil cooler hose assembly combines metal and rubber materials to provide a robust yet reliable conduit for transmission fluid. The 43-inch length is tailored to fit specific routing requirements on Chevrolet Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500 models. Both ends feature male quick disconnect fittings, allowing for straightforward connection to the transmission cooler lines without the need for additional adapters or modifications. The hose is designed to operate within a wide temperature range from -40°F to 329°F, ensuring consistent performance in both cold starts and high-heat conditions.

Compatible Vehicles and Applications

This 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

Common Issues Addressed by This Hose Assembly

  • Leaking or cracked transmission oil cooler hoses causing fluid loss
  • Overheating transmission due to inefficient fluid cooling
  • Damaged or worn quick disconnect fittings leading to poor connections
  • Hose failure from exposure to extreme temperatures and pressure
  • Replacement of original equipment hoses to restore transmission cooling system integrity

Installation Notes and Tips

Ensure the vehicle is cool and transmission fluid pressure is relieved before removing the old hose assembly. The male quick disconnect fittings on both ends allow for a secure and tool-assisted connection. Verify the hose routing matches the original to prevent kinks or interference with other components. Inspect all connection points for leaks after installation and refill transmission fluid as necessary.

Quality Assurance and Warranty

Dorman manufactures this transmission oil cooler hose assembly to meet or exceed OEM specifications for durability and performance. The hose assembly is tested for pressure and temperature resistance to ensure reliable operation. Please refer to Dorman's warranty policy for specific coverage details related to this part number 624-894.

BrandDorman
Part Number624-894
Hose ColorNatural
Length43
End 1 TypeMale quick disconnect
End 2 TypeMale quick disconnect
Contains SpringNo
Maximum Working Pressure100
Hose MaterialMetal
Hose MaterialRubber
FlexibleNo
Maximum Operating Temperature (┬░F)329
Minimum Operating Temperature (┬░F)-40
Package Contents1 transmission line

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2002ChevroletSilverado 2500 HD6.6LV8Transmission to Radiator (Lower)
2002ChevroletSilverado 35006.6LV8Transmission to Radiator (Lower)
2002GMCSierra 2500 HD6.6LV8Transmission to Radiator (Lower)
2002GMCSierra 35006.6LV8Transmission to Radiator (Lower)
2001ChevroletSilverado 2500 HD6.6LV8Transmission to Radiator (Lower)
2001ChevroletSilverado 35006.6LV8Transmission to Radiator (Lower)
2001GMCSierra 2500 HD6.6LV8Transmission to Radiator (Lower)
2001GMCSierra 35006.6LV8Transmission to Radiator (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:

157675965801021

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