HomeSteering > Power Steering Hoses, Pumps, and Related ComponentsDorman 918-321 Power Steering Cooler
Part #: 918-321

Dorman 918-321 Power Steering Cooler

N/A
⚙️ 12 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$138.07Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, F-250 Super Duty and F-350 Super Duty
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Power Steering Cooler for Ford F-250 and F-350 Super Duty

The Dorman 918-321 power steering cooler is designed to maintain optimal fluid temperature in your Ford F-250 Super Duty and F-350 Super Duty. Constructed from durable aluminum with precise dimensions, this cooler helps protect your power steering system from overheating during heavy-duty operation.

  • Material: High-quality aluminum for efficient heat dissipation
  • Length: 22 inches for effective cooling surface area
  • Thickness: 1.5 inches ensuring compact yet robust design
  • Height: 9.5 inches to fit within designated engine compartments
  • Color: Black finish for corrosion resistance and durability
  • Inlet and outlet fitting outside diameter: 10.5 mm with barb fitting type
  • Inlet and outlet inside diameter: 5.2 mm for secure hose connections
  • Overall width: 2 inches for streamlined installation
  • Package includes one power steering cooler

Detailed Product Description

The Dorman 918-321 power steering cooler is engineered specifically for Ford F-250 Super Duty and F-350 Super Duty models, providing reliable cooling performance to extend the life of your power steering system. Its aluminum construction offers excellent thermal conductivity, allowing the cooler to efficiently dissipate heat generated during power steering operation. The cooler’s dimensions—22 inches in length, 9.5 inches in height, and 1.5 inches in thickness—are optimized to fit within the engine bay without interfering with other components. The black finish adds a layer of protection against corrosion, ensuring long-term durability. Both inlet and outlet fittings feature a 10.5 mm outside diameter with barb fittings, compatible with standard power steering hoses, and an inside diameter of 5.2 mm to maintain proper fluid flow.

Common Applications and Problem Solving

  • Prevents power steering fluid overheating under heavy load or towing conditions
  • Reduces risk of power steering pump failure due to excessive heat
  • Helps maintain consistent steering performance in Ford F-250 and F-350 Super Duty trucks
  • Minimizes fluid degradation and extends power steering system lifespan
  • Addresses issues related to power steering fluid boiling or foaming

Installation Notes and Tips

  • Ensure compatibility with Ford F-250 Super Duty and F-350 Super Duty models before installation
  • Inspect existing power steering hoses and fittings for wear or damage prior to installation
  • Use proper tools to secure barb fittings and prevent leaks
  • Bleed the power steering system after installation to remove air pockets
  • Consult vehicle service manual for torque specifications and installation procedures

Quality Assurance and Warranty

Dorman power steering coolers are manufactured to meet or exceed OEM standards for fit, form, and function. The 918-321 part number undergoes rigorous quality control to ensure durability and reliable performance in demanding conditions. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to Dorman’s official documentation for complete warranty information.

BrandDorman
Part Number918-321
ColorBlack
Fitting TypeBarb
Height9.5
Inlet Fitting Outside Diameter10.5
Inlet Inside Diameter5.2 mm
Length22
MaterialAluminum
Outlet Fitting Outside Diameter10.5
Outlet Inside Diameter5.2 mm
Overall Width2 in
Package Contents1 Power Steering Cooler
Thickness1.5

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2010FordF-250 Super Duty6.8LV10GASN/A
2010FordF-250 Super Duty5.4LV8GASN/A
2010FordF-350 Super Duty6.8LV10GASN/A
2010FordF-350 Super Duty5.4LV8GASN/A
2009FordF-250 Super Duty6.8LV10GASN/A
2009FordF-250 Super Duty5.4LV8GASN/A
2009FordF-350 Super Duty6.8LV10GASN/A
2009FordF-350 Super Duty5.4LV8GASN/A
2008FordF-250 Super Duty6.8LV10GASN/A
2008FordF-250 Super Duty5.4LV8GASN/A
2008FordF-350 Super Duty6.8LV10GASN/A
2008FordF-350 Super Duty5.4LV8GASN/A

* 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:

7C3Z3D746A

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