Dorman 625-621 Engine Oil Cooler Hose Assembly - Inlet (Upper)
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Dorman

Dorman 625-621 Engine Oil Cooler Hose Assembly - Inlet (Upper)

Brand Dorman 625-621
Position Inlet (Upper)
Color Natural
End 1 Type Male Threads
End 2 Type Quick Disconnect
Length 28
Material Rubber/Metal
Package Contents Oil Cooler Line
Fits Chevrolet and GMC · 48 vehicles

OE direct replacement. Matches original fit and function for reliable repair.

Rubber and metal construction. Built for durable oil cooler hose performance.

Quick disconnect end. Simplifies connection at one end of the hose assembly.

Cross-references 12472225, B64267 and SK625621 for the same application. See all 3.

$57.88Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $57.88
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Engine Oil Cooler Hose Assembly options

Engine Oil Cooler Hose Assembly for GM Trucks

Dorman 625-621 is an engine oil cooler hose assembly built to match the fit and function of the original equipment line for proper oil circulation between the oil cooler and engine. It is a direct replacement for select Chevrolet C1500, C2500, K1500, K2500 and GMC C1500, C2500, K1500, K2500 applications from 1988-1993.

  • Rubber/metal construction for OE-style routing and connection points
  • 28-inch length for the specified upper inlet application
  • Male threads on one end and quick disconnect on the other
  • Natural finish
  • Direct replacement oil cooler line for service and restoration work

Fitment and Application Details

This Dorman 625-621 oil cooler hose assembly is made for the inlet (upper) position on 1988-1993 Chevrolet C1500, C2500, K1500, and K2500 trucks, as well as 1988-1993 GMC C1500, C2500, K1500, and K2500 trucks. If you are replacing a worn Chevrolet C1500 oil cooler hose assembly or servicing a GMC K2500 upper inlet line, this part follows the original equipment layout for the listed vehicles.

This part cross-references 12472225 and B64267 for the same application.

What This Part Helps Address

  • Oil seepage at a deteriorated cooler line
  • Restricted oil flow between the engine and oil cooler
  • Cracked or hardened hose material from age and heat
  • Damaged quick-disconnect or threaded connection points
  • Loss of proper upper inlet oil cooler line routing

Installation Notes and Tips

Verify the inlet (upper) position before installation and compare the end styles, length, and routing to the removed line. Confirm thread engagement and quick-disconnect fitment on the vehicle before final assembly. For best results, inspect adjacent oil cooler components and sealing surfaces during replacement.

Quality Assurance

Dorman designs this engine oil cooler hose assembly to match original equipment fit and function for reliable repair and restoration of proper oil circulation. Part number 625-621 is built as an OE-style replacement for the listed Chevrolet and GMC truck applications.

Related reading

This part fits 48 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1993ChevroletC15004.3LV6Inlet (Upper)—
1993ChevroletC25004.3LV6Inlet (Upper)—
1993ChevroletK15004.3LV6Inlet (Upper)—
1993ChevroletK25004.3LV6Inlet (Upper)—
1993GMCC15004.3LV6Inlet (Upper)—
1993GMCC25004.3LV6Inlet (Upper)—
1993GMCK15004.3LV6Inlet (Upper)—
1993GMCK25004.3LV6Inlet (Upper)—
1992ChevroletC15004.3LV6Inlet (Upper)—
1992ChevroletC25004.3LV6Inlet (Upper)—
1992ChevroletK15004.3LV6Inlet (Upper)—
1992ChevroletK25004.3LV6Inlet (Upper)—
1992GMCC15004.3LV6Inlet (Upper)—
1992GMCC25004.3LV6Inlet (Upper)—
1992GMCK15004.3LV6Inlet (Upper)—
1992GMCK25004.3LV6Inlet (Upper)—
1991ChevroletC15004.3LV6Inlet (Upper)—
1991ChevroletC25004.3LV6Inlet (Upper)—
1991ChevroletK15004.3LV6Inlet (Upper)—
1991ChevroletK25004.3LV6Inlet (Upper)—
1991GMCC15004.3LV6Inlet (Upper)—
1991GMCC25004.3LV6Inlet (Upper)—
1991GMCK15004.3LV6Inlet (Upper)—
1991GMCK25004.3LV6Inlet (Upper)—
1990ChevroletC15004.3LV6Inlet (Upper)—
1990ChevroletC25004.3LV6Inlet (Upper)—
1990ChevroletK15004.3LV6Inlet (Upper)—
1990ChevroletK25004.3LV6Inlet (Upper)—
1990GMCC15004.3LV6Inlet (Upper)—
1990GMCC25004.3LV6Inlet (Upper)—
1990GMCK15004.3LV6Inlet (Upper)—
1990GMCK25004.3LV6Inlet (Upper)—
1989ChevroletC15004.3LV6Inlet (Upper)—
1989ChevroletC25004.3LV6Inlet (Upper)—
1989ChevroletK15004.3LV6Inlet (Upper)—
1989ChevroletK25004.3LV6Inlet (Upper)—
1989GMCC15004.3LV6Inlet (Upper)—
1989GMCC25004.3LV6Inlet (Upper)—
1989GMCK15004.3LV6Inlet (Upper)—
1989GMCK25004.3LV6Inlet (Upper)—
1988ChevroletC15004.3LV6Inlet (Upper)—
1988ChevroletC25004.3LV6Inlet (Upper)—
1988ChevroletK15004.3LV6Inlet (Upper)—
1988ChevroletK25004.3LV6Inlet (Upper)—
1988GMCC15004.3LV6Inlet (Upper)—
1988GMCC25004.3LV6Inlet (Upper)—
1988GMCK15004.3LV6Inlet (Upper)—
1988GMCK25004.3LV6Inlet (Upper)—
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
12472225B64267SK625621