Rein PSH0583 Power Steering Return Line Hose Assembly - Cooler To Reservoir

Overview

Rein PSH0583 is an OE-quality power steering return line hose assembly built for application-specific replacement service. It is engineered with a braided rubber compound hose, coated steel tubing, and rust-resistant end fittings to support clean, direct-fit service on the power steering return circuit.

Compatible With Nissan 370Z and select INFINITI applications, this hose assembly is built to reduce labor time with preassembled sections and OE-style construction. The Rein PSH0583 part number is used for the same application as the listed interchange reference.

Key Features

• Direct-fit replacement hose and line assembly for the low-pressure return circuit
• OE-quality braided rubber compound hose construction
• Coated, rust-resistant heavy-duty tubing and end fittings
• Preassembled hose crimp ends and brackets where required
• Protective jackets and heat sleeves included where required by the OE design

Detailed Description

Rein PSH0583 is a power steering return line hose assembly for cooler-to-reservoir routing. It is built with OE-comparable rubber compound hose and heavy-duty carbon steel tubing, with protective coatings chosen to resist corrosion. The assembly is tested for low-temperature flexibility and corrosion resistance, and its preassembled design follows OE specifications to simplify replacement work. This part number, PSH0583, is associated with fitments including Nissan 370Z, INFINITI QX50, and other listed models.

This part cross-references Nissan 49721JK03A for the same application.

What It Helps Address

• Leaking or cracked low-pressure return hose sections
• Corrosion at tubing, fittings, or crimped connections
• Fluid loss in the power steering return circuit
• Noise or poor steering assist caused by hose deterioration
• Time-consuming replacement jobs that benefit from preassembled routing

Installation Notes

Install as a cooler-to-reservoir power steering return line assembly. Verify routing, connection points, and vehicle-specific notes such as w/o 4WS or build-date requirements before installation. The preassembled design is intended to reduce the need for special tools and sealing hardware where specified by the OE manufacturer.

Quality Assurance

Rein OE Quality hose assemblies are tested for low-temperature flexibility and corrosion resistance to exceed industry standards. The assembly is built to OE specifications and carries a 24-month or 24,000-mile warranty.