Dorman 918-634 Power Steering Cooler

Power Steering Cooler for Ford Super Duty

This Dorman power steering cooler is built to match the original cooler’s fit and function on select Ford heavy-duty trucks. It uses aluminum construction with a black finish and is shaped for direct replacement service on 2017-2021 Ford F-250 Super Duty and 2017-2021 Ford F-350 Super Duty applications.

Part number 918-634 is a practical OE-style replacement for drivers looking to restore power steering fluid cooling performance on Ford F-250 Super Duty and Ford F-350 Super Duty models. This part cross-references Ford (e.g., HC3Z3D746C) for the same application.

Key Features

• Direct-fit power steering cooler for specified Ford Super Duty trucks
• Aluminum construction for dependable heat transfer and durability
• Black finish for a clean OE-style appearance
• Push-in fitting type for the listed vehicle applications
• Overall width: 12.92 in; length: 34; height: 8; thickness: 2
• Inlet and outlet fitting inside diameter: 0.12; inlet fitting outside diameter: 0.65; outlet fitting outside diameter: 0.24
• Compatible with 2017-2021 Ford F-250 Super Duty and 2017-2021 Ford F-350 Super Duty

Detailed Description

Dorman 918-634 is engineered to replace the original power steering cooler on select Ford trucks with a fit and function that follows the OE layout. The aluminum cooler is designed for reliable fluid temperature control in demanding steering systems, helping maintain consistent steering performance under load. For buyers searching for a 2017-2021 Ford F-250 Super Duty power steering cooler or a 2017-2021 Ford F-350 Super Duty power steering cooler, this part provides a direct replacement option with the correct dimensions and push-in fittings.

Use part number 918-634 when replacing a damaged, leaking, or restricted cooler on the listed Super Duty models. The compact black aluminum design supports straightforward service on trucks that rely on stable power steering fluid cooling during towing, hauling, and daily driving.

What It Helps Address

• Power steering fluid overheating
• Leaks from a damaged or corroded cooler
• Reduced steering assist caused by restricted fluid flow
• Noisy steering operation related to elevated fluid temperatures
• OE cooler replacement needs on Ford Super Duty trucks

Installation Notes and Tips

Verify the vehicle year, model, and cooler connection style before installation. Confirm the push-in fitting dimensions and overall cooler size match the original unit on the truck. Inspect surrounding hoses and lines for wear, contamination, or damage before installing the replacement cooler.

Quality Assurance

Dorman manufactures this cooler to match original fit and function on the specified vehicles, using quality materials for dependable service. Part number 918-634 is built as an OE-style replacement for Ford F-250 Super Duty and Ford F-350 Super Duty applications.