Dorman 625-648 Engine Oil Cooler Hose Assembly - Inlet
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Dorman

Dorman 625-648 Engine Oil Cooler Hose Assembly - Inlet

Brand Dorman 625-648
Position Inlet
Color Natural
End 1 Type Male Threads
End 2 Type Male Threads
Length 28
Material Rubber/Metal
Package Contents Oil Cooler Line
Fits Cadillac · 5 vehicles

OE direct replacement. Matches the fit and function of the original equipment components.

Rubber and metal construction. Built for dependable oil flow in a durable hose assembly.

Oil cooler hose assembly. Restores proper circulation between the cooler and engine.

Cross-references Sunsong 5801040 and 25551474 for the same application. See all 2.

$57.80Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $57.80
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 Cadillac V8 Applications

This Dorman engine oil cooler hose assembly is built to match the fit and function of the original oil cooler line for reliable oil circulation between the engine and oil cooler. It is a direct-fit replacement for select Cadillac DeVille and Fleetwood applications, including inlet-side service.

Key Features

  • Engine oil cooler hose assembly for restoring oil flow between the engine and cooler
  • Rubber/metal construction for a balance of flexibility and line support
  • 28-inch length for the specified OE-style routing
  • Male threads on both ends for threaded connection points
  • Natural finish and OE-style form factor for service replacement
  • Dorman Part Number 625-648 for easy identification

Detailed Description

Designed as an OE-style replacement, this Dorman 625-648 oil cooler line helps restore proper oil circulation in vehicles that use an inlet-side engine oil cooler hose assembly. The rubber/metal construction is selected to mirror the original component’s fit and function, while the 28-inch length and male-threaded ends support the factory-style connection layout. This part is a practical choice for Cadillac DeVille and Cadillac Fleetwood oil cooler line service where the original hose has aged, leaked, or lost integrity. Cross-reference part numbers include 25551474 and Sunsong 5801040 for the same application.

Vehicle Fitment

  • Fits 1991-1993 Cadillac DeVille, Inlet
  • Fits 1991-1992 Cadillac Fleetwood, Inlet

Common Repair Uses

  • Oil cooler line leakage at threaded connections
  • Restricted oil circulation between the engine and oil cooler
  • Cracked, hardened, or deteriorated hose material
  • Corrosion or wear in the original oil cooler hose assembly
  • Restoration of inlet-side oil cooler plumbing on Cadillac applications

Installation Notes and Tips

Verify inlet-side routing, thread engagement, and hose length before installation. Inspect mating fittings and sealing surfaces for wear or contamination, and confirm the replacement line follows the original path without kinks or tension. Use the vehicle’s service information for torque and routing specifications.

Quality Assurance

Dorman designs this oil cooler hose assembly to match the original equipment component’s fit and function for dependable repair and restoration of proper oil circulation.

Related reading

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1993CadillacDeVilleInlet—
1992CadillacDeVilleInlet—
1992CadillacFleetwoodInlet—
1991CadillacDeVilleInlet—
1991CadillacFleetwoodInlet—
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Sunsong — 580104025551474