Dorman 918-580 Power Steering Cooler

Power Steering Cooler for Nissan Frontier and Xterra

Dorman 918-580 is a direct replacement power steering cooler for select Nissan Frontier trucks and Xterra SUVs. It addresses the common failure mode of the original wire-style cooler by using a more durable stacked-fin design for improved resistance to corrosion and physical damage.

• OE FIX replacement for the factory power steering cooler
• Stacked-fin construction for added durability
• Aluminum cooler body with black finish
• Male inlet and outlet fittings
• Direct-fit application for select Nissan Frontier and Nissan Xterra models

Fitment and Application Details

Compatible with 2010-2019 Nissan Frontier and 2010-2015 Nissan Xterra. Fits 2010-2019 Nissan Frontier, N/A. Fits 2010-2015 Nissan Xterra, N/A. Dorman 918-580 is built for drivers replacing a damaged or corroded steering fluid cooler on these Nissan applications.

This part cross-references Nissan OE numbers 49790ZL00A and 49790ZL02A for the same application.

What This Cooler Helps Address

• Corrosion in the original wire-style cooler fins
• Bent or broken cooler fins from road debris or age
• Loss of cooling efficiency in the power steering system
• Heat-related stress on steering fluid circulation
• Replacement needs after the factory cooler deteriorates

Installation Notes and Tips

Verify the vehicle year and model before ordering. Compare the inlet and outlet fitting sizes and overall dimensions to the original cooler to confirm proper alignment with the factory mounting location. Inspect surrounding power steering hoses and connections for wear during replacement.

Quality Assurance

Dorman engineers this OE FIX cooler as a stronger alternative to the original design, using a stacked-fin layout intended to improve service life in the same Nissan Frontier and Xterra applications.