Dorman 918-591 Power Steering Cooler

Brand Dorman 918-591
Material Aluminio
Material Aluminum
Material Goma
Material Rubber
Length 37
Color Black
Color Negro
Color Noir
Thickness 0.5
Height 17
Inlet Fitting Inside Diameter 0.4
Outlet Fitting Inside Diameter 0.6
Inlet Fitting Outside Diameter 0.6
Fitting Type Empujar hacia adentro
Fitting Type Push-in
Outlet Fitting Outside Diameter 0.6
Ancho total 17 in
Contenidos del paquete 1 refrigerante de la dirección hidraulica
Overall Width 17 in
Package Contents 1 power steering cooler
Fits Ford and Lincoln · 8 vehicles

OE-style fit. Matches the original cooler's fit and function for straightforward replacement.

Aluminum construction. Helps deliver reliable cooling performance and durability.

Push-in fittings. Simplify hose connection for a cleaner installation.

Cross-references Dorman - HELP 93556, Gates 367084 and Sunsong 3404880 for the same application. See all 5.

$171.36Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
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Step 2 — Quantity
Order total $171.36
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Power Steering Cooler for Edge and MKX

Dorman 918-591 is a power steering cooler built to match the fit and function of the original cooler on specified vehicles. It uses aluminum and rubber construction for dependable fluid cooling and durable service in the steering system.

  • Direct-fit power steering cooler for specified Ford and Lincoln applications
  • Aluminum and rubber construction
  • Black finish
  • Push-in fitting type for OE-style connection points
  • Designed to match original fit and function
  • Compatible with 2007-2010 Ford Edge and 2007-2010 Lincoln MKX

Detailed Product Overview

This Dorman power steering cooler, part number 918-591, is engineered for vehicles that use an OE-style cooler in the steering circuit. It measures 37 inches in length, 17 inches in overall width, and 17 inches in height, with a 0.5-inch thickness. The cooler features aluminum construction with rubber components and push-in fittings sized to align with the original connection points on the application.

Use this cooler on 2007-2010 Ford Edge and 2007-2010 Lincoln MKX models when replacing a worn, leaking, or damaged steering cooler. Dorman 918-591 is also cross-referenced with Dorman - HELP 93556 for the same application.

Common Issues This Part Can Address

  • Power steering fluid overheating
  • Leaks from a damaged or corroded cooler
  • Reduced steering system cooling performance
  • Physical damage to the original cooler assembly
  • Service replacement for OE-style cooler failure

Installation Notes and Tips

Verify the inlet and outlet fitting sizes before installation: inlet fitting inside diameter 0.4 inch, inlet fitting outside diameter 0.6 inch, and outlet fitting inside diameter and outside diameter 0.6 inch. Confirm vehicle application by year, make, and model before ordering. For best results, inspect the steering hoses and surrounding lines for wear or contamination during replacement.

Quality Assurance

Dorman states that this cooler is made from quality materials and engineered for reliable performance and durability. It is designed to match the fit and function of the original cooler on specified vehicles, including Ford Edge and Lincoln MKX applications.

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelNotes
2010FordEdge—
2010LincolnMKX—
2009FordEdge—
2009LincolnMKX—
2008FordEdge—
2008LincolnMKX—
2007FordEdge—
2007LincolnMKX—
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - HELP — 93556Gates — 367084Sunsong — 34048807T4Z3D746A7T4Z3D746B