Rein PSH0537 Power Steering Pressure Line Hose Assembly

OE-Style Power Steering Hose Assembly

Rein PSH0537 is a direct-fit power steering pressure line hose assembly for the 1999-2003 Lexus RX300. It is built for OE-style replacement service, with application-specific construction that follows the original routing and connection points for the vehicle.

For Lexus RX300 power steering pressure hose replacement, PSH0537 is engineered to address high-pressure fluid transfer while helping reduce labor time during service.

Key Features

• Direct-fit replacement hose and line assembly
• SAE J188 compliant high-pressure rubber hose with an internal noise absorber
• SAE J526 compliant heavy-duty tubing and end fittings with corrosion-resistant coating
• Pre-assembled coated hose crimp ends and brackets where required
• Protective jacket and heat sleeve included where required
• Pressure switch port included as specified by the OE design

Detailed Description

Rein PSH0537 is a power steering pressure line hose assembly designed for the 1999-2003 Lexus RX300. The assembly uses SAE J188 compliant rubber hose and SAE J526 compliant tubing sections with coated, rust-resistant steel end fittings. Rein also incorporates an internal noise absorber and protective shielding to match OE-style service requirements. This part cross-references Toyota 4441048030 for the same application.

Built to follow the original vehicle layout, this Lexus RX300 power steering hose assembly supports a clean replacement for worn, leaking, or damaged high-pressure lines. The part number PSH0537 is a practical choice when servicing the power steering system on 1999, 2000, 2001, 2002, and 2003 Lexus RX300 models.

Common Repair Uses

• Power steering fluid leaks from the high-pressure line
• Cracked or deteriorated hose material
• Corroded tubing or end fittings
• Noise or vibration in the steering hydraulic circuit
• Loss of steering assist caused by pressure line failure

Installation Notes

Verify routing, bracket locations, and pressure switch port placement against the original hose before installation. Inspect mating seals and related steering components for wear, and confirm the system is properly bled after service. PSH0537 is intended for the 1999-2003 Lexus RX300 application listed above.

Quality Assurance

Rein manufactures this OE-quality hose assembly with testing for tensile strength, burst pressure, low-temperature flexibility, impulse resistance, and corrosion resistance. PSH0537 includes a 24-month/24,000-mile warranty.