Dorman 624-039 | Upper Automatic Transmission Oil Cooler Hose Assembly

Part Number
Transmission Oil Cooler Line

Fits: 91-93 Buick Riviera, 91-93 Cadillac Eldorado, 91-93 Cadillac Seville, 91-92 Oldsmobile Toronado, 94-95 Cadillac DeVille

Special Price $51.84 Regular Price $60.99
In stock
Only 8 left
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Estimated Ship Date: 1 Business Day or Less

This replacement automatic transmission oil cooler hose is constructed of quality metal and rubber components to ensure leak-free delivery of critical fluid between the transmission and the transmission oil cooler.

BRAND: Dorman - OE Solutions


  • Quality construction - manufactured from metal and rubber with OE-style fittings to provide a reliable replacement
  • Vehicle tested - has undergone on-vehicle testing to ensure quality, proper fit and performance
  • Transmission Oil Cooler Line
  • Buick 1993-91, Cadillac 1995-91, Oldsmobile 1992-91
  • Excellent value - OE quality at a lower price
  • Auto, Trans, Oil, Cooler, Hose, Assembly, Transmission, Assemblies
  • Reliable replacement - this automatic transmission oil cooler hose is precision-engineered to replace the stock hose assembly on specific vehicles


Contains SpringNo
End 1 TypeMale Threads
End 2 TypeNone
Hose ColorNatural
Hose MaterialMetal
Hose Material Rubber
Maximum Operating Temperature (°F)329
Maximum Working Pressure100
Minimum Operating Temperature (°F)-40
Package Contents1 Transmission Line



  • General Motors: 3539658
  • Sunsong: 5801088


  • 1991-1993 Buick Riviera - Position: Upper
    • Radiator to Lower Auxiliary Cooler
  • 1994-1995 Cadillac DeVille - Position: Upper
    • Upper Radiator to Lower Auxiliary Cooler w/Auxiliary Oil Cooler
  • 1991-1992 Oldsmobile Toronado - Position: Upper
    • Radiator to Lower Auxiliary Cooler
  • 1991-1993 Cadillac Eldorado - Position: Upper
    • Radiator to Lower Auxiliary Cooler
  • 1991-1993 Cadillac Seville - Position: Upper
    • Radiator to Lower Auxiliary Cooler
Customer Questions
Can I use Dorman parts to replace OEM parts?
Yes, Dorman parts can often be used as replacements for OEM parts, but it is important to carefully compare specifications and ensure compatibility.
How do I install Dorman shift linkage bushing?
To install a Dorman shift linkage bushing, first locate the old bushing and remove it if necessary. Apply lubricant to the Dorman bushing and slide it onto the shift linkage, tapping it into place with a soft tool until fully seated. Check the alignment and function of the shift linkage after installation.
Where is Dorman manufactured?
Dorman is a global automotive parts supplier with manufacturing facilities in the United States, Mexico, Canada, China, and India. Its headquarters and largest manufacturing facility are located in Colmar, Pennsylvania, USA.
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