HomeBelts and Cooling > Hoses and PipesDorman 624-138 Automatic Transmission Oil Cooler Hose Assembly - Inlet (Upper)
Part #: 624-138

Dorman 624-138 Automatic Transmission Oil Cooler Hose Assembly - Inlet (Upper)

Inlet (Upper)
⚙️ 14 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$35.60Free 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 Pontiac, Cavalier and Sunfire
🔄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 624-138 automatic transmission oil cooler hose assembly is designed for Chevrolet Cavalier and Pontiac Sunfire models. This durable hose assembly ensures proper transmission fluid flow and cooling, helping maintain optimal transmission performance under various operating conditions.

  • Length: 29 inches for precise fitment
  • Hose material: high-quality rubber for durability
  • Ends: Male threaded fittings on both ends for secure connections
  • Maximum working pressure: 100 PSI to handle transmission fluid pressure
  • Operating temperature range: -40°F to 329°F for reliable performance in extreme conditions
  • Natural hose color for easy identification
  • Non-flexible design for stable fluid flow

Durable Construction and Precise Fitment

This Dorman automatic transmission oil cooler hose assembly (part number 624-138) is engineered with rubber material that withstands high temperatures and pressures typical in transmission cooling systems. The 29-inch length and male threaded ends provide a secure and leak-resistant connection, specifically compatible with Chevrolet Cavalier and Pontiac Sunfire vehicles. The hose’s natural color allows for quick visual inspection during maintenance.

Compatible Vehicles and Applications

This transmission line is compatible with the following vehicles:

  • Chevrolet Cavalier
  • Pontiac Sunfire

It is designed to replace worn or damaged transmission oil cooler hoses, ensuring proper fluid circulation and preventing overheating or transmission damage.

Common Issues Addressed by This Hose Assembly

  • Leaking or cracked transmission oil cooler hoses
  • Transmission fluid overheating due to poor fluid circulation
  • Pressure loss in the transmission cooling system
  • Contamination from damaged or deteriorated hoses
  • Preventing transmission failure caused by inadequate cooling

Installation Notes and Tips

  • Ensure the vehicle is cool before starting installation to avoid burns
  • Check for proper alignment of male threaded ends to avoid cross-threading
  • Inspect surrounding components for wear or damage during replacement
  • Use appropriate tools to tighten fittings securely without over-tightening
  • Verify no leaks after installation by running the engine and checking fluid flow

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications. The 624-138 transmission oil cooler hose assembly undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship.

BrandDorman
Part Number624-138
Contains SpringNo
End 1 TypeMale Threads
End 2 TypeMale Threads
FlexibleNo
Hose ColorNatural
Hose MaterialRubber
Length29
Maximum Operating Temperature (┬░F)329
Maximum Working Pressure100
Minimum Operating Temperature (┬░F)-40
Package Contents1 Transmission Line

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2001ChevroletCavalier2.2LL4Inlet (Upper)
2001PontiacSunfire2.2LL4Inlet (Upper)
2000ChevroletCavalier2.2LL4Inlet (Upper)
2000PontiacSunfire2.2LL4Inlet (Upper)
1999ChevroletCavalier2.2LL4Inlet (Upper)
1999PontiacSunfire2.2LL4Inlet (Upper)
1998ChevroletCavalier2.2LL4Inlet (Upper)
1998PontiacSunfire2.2LL4Inlet (Upper)
1997ChevroletCavalier2.2LL4Inlet (Upper)
1997PontiacSunfire2.2LL4Inlet (Upper)
1996ChevroletCavalier2.2LL4Inlet (Upper)
1996PontiacSunfire2.2LL4Inlet (Upper)
1995ChevroletCavalier2.2LL4Inlet (Upper)
1995PontiacSunfire2.2LL4Inlet (Upper)

* 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:

225979665801169

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