Sunsong 3404256 Power Steering Return Line Hose Assembly

Power Steering Return Hose for Lexus GS

Sunsong 3404256 is a power steering return line hose assembly built for select Lexus GS applications. It is engineered for low-pressure, high-temperature return flow and uses corrosion-resistant steel tubing with a zinc coating for added protection against road salt, moisture, and grime.

For Lexus GS300, GS400, and GS430 service, this return hose assembly follows the original routing and connection style to support a direct-fit repair. The Sunsong 3404256 also includes the required brackets and related wear components called out by the application.

Key Features

• Power steering return line hose assembly for select Lexus GS models
• Max working pressure of 250 psi for return-side steering operation
• CSM hose material for low-pressure, high-temperature service
• Steel tubing with zinc electroplating for corrosion and rust resistance
• Banjo fittings, 16 mm at both ends
• Bracket included for application-specific fitment
• Length: 144.6 in. / 3673 mm
• Cross-reference: this part cross-references 4441030430 for the same application

Detailed Description

Sunsong 3404256 is a replacement power steering return line hose assembly for 1998-2001 Lexus GS300, 1998-2000 Lexus GS400, and 2001 Lexus GS430. It is built to meet or exceed original equipment performance standards for the return side of the steering system, where fluid moves under lower pressure but can still see elevated temperatures. The assembly uses high-grade steel tubing with zinc plating to help resist corrosion from humidity, water, grime, and winter road exposure. With 16 mm banjo fittings at both ends and application-specific brackets, this Lexus GS power steering return hose supports a precise OE-style repair.

Common Repair Symptoms

• Power steering fluid leaking from the return line
• Cracked, hardened, or deteriorated hose material
• Corrosion on the steel line or fittings
• Steering fluid seepage near banjo connections
• Noise or poor steering assist caused by fluid loss

Installation Notes and Tips

Verify the vehicle year and model before installation. This assembly is listed for 1998-2001 Lexus GS300, 1998-2000 Lexus GS400, and 2001 Lexus GS430, with notes indicating complete return assembly coverage. Inspect banjo sealing surfaces, brackets, and adjacent steering components during service so the replacement line seats correctly and routes as intended.

Quality Assurance

Sunsong manufactures this return hose assembly with OE-level fit and material specifications, including corrosion-resistant steel tubing and application-matched hardware provisions. The design focuses on restoring the steering return circuit to original condition on the specified Lexus GS applications.