HomeSteering > Power Steering Hoses, Pumps, and Related ComponentsDorman 918-320 Power Steering Cooler
Part #: 918-320

Dorman 918-320 Power Steering Cooler

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⚙️ 6 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, F-250 Super Duty and F-350 Super Duty
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Power Steering Cooler for Ford F-250 and F-350 Super Duty

The Dorman 918-320 power steering cooler is designed to maintain optimal fluid temperature in your Ford F-250 Super Duty and F-350 Super Duty models. Constructed from durable aluminum, this cooler helps protect your power steering system from overheating during heavy-duty operation.

Key Features of the Dorman 918-320 Power Steering Cooler

  • Material: High-quality aluminum for efficient heat dissipation and corrosion resistance
  • Length: 23 inches, suitable for proper fitment in Ford Super Duty chassis
  • Color: Black finish for added durability and corrosion protection
  • Thickness: 1.5 inches, designed for optimal cooling capacity
  • Height: 9.5 inches, compact size for easy installation
  • Inlet and outlet fitting outside diameter: 10.5 mm with barb fitting type for secure hose connections
  • Inlet and outlet inside diameter: 5.2 mm, compatible with standard power steering hoses
  • Overall width: 2 inches, engineered to fit within the engine bay without interference

Detailed Description of the Dorman 918-320 Power Steering Cooler

This power steering cooler is engineered specifically for Ford F-250 Super Duty and F-350 Super Duty trucks, ensuring compatibility and reliable performance. The aluminum construction provides effective heat transfer to reduce power steering fluid temperature, which helps maintain system efficiency and prolong component life. The black finish adds an extra layer of protection against environmental factors. With inlet and outlet barb fittings sized at 10.5 mm outside diameter and 5.2 mm inside diameter, the cooler integrates seamlessly with existing power steering hoses. Its dimensions—23 inches in length, 9.5 inches in height, and 1.5 inches in thickness—allow for straightforward installation without requiring modifications.

Common Issues Addressed by the Power Steering Cooler

  • Prevents power steering fluid overheating during heavy towing or extended driving
  • Reduces risk of premature power steering pump failure due to excessive heat
  • Helps maintain consistent steering performance under high load conditions
  • Minimizes fluid degradation caused by elevated temperatures
  • Protects seals and hoses from heat-related damage

Installation Notes and Tips

  • Compatible with Ford F-250 Super Duty and F-350 Super Duty models; verify vehicle year and configuration before installation
  • Ensure all fittings and hoses match the 10.5 mm barb connections for a secure fit
  • Inspect power steering fluid levels and condition during installation
  • Follow manufacturer torque specifications for mounting hardware
  • Bleed the power steering system after installation to remove air pockets

Quality Assurance and Warranty Information

Dorman power steering coolers are manufactured to meet or exceed OEM standards for durability and performance. The 918-320 part number undergoes rigorous quality control to ensure reliable operation in demanding conditions. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandDorman
Part Number918-320
ColorBlack
Fitting TypeBarb
Height9.5
Inlet Fitting Outside Diameter10.5
Inlet Inside Diameter5.2 mm
Length23
MaterialAluminum
Outlet Fitting Outside Diameter10.5
Outlet Inside Diameter5.2 mm
Overall Width2 in
Package Contents1 Power Steering Cooler
Thickness1.5

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006FordF-250 Super Duty6.0LV8N/AFrom 12/05/05
2006FordF-250 Super Duty6.8LV10N/AFrom 12/05/05
2006FordF-250 Super Duty5.4LV8N/AFrom 12/05/05
2006FordF-350 Super Duty6.0LV8N/AFrom 12/05/05
2006FordF-350 Super Duty6.8LV10N/AFrom 12/05/05
2006FordF-350 Super Duty5.4LV8N/AFrom 12/05/05

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

6C3Z3D746A

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.