Sunsong 3404310 Power Steering Return Line Hose Assembly - Pipe To Reservoir

Sunsong 3404310 Return Hose for Lexus RX350 and RX330

Sunsong 3404310 is a power steering return line hose assembly built for low-pressure, high-temperature return-side service. It is engineered for exact fit on select Lexus applications, including the Lexus RX350 and Lexus RX330, with corrosion-resistant steel tubing and application-specific mounting components where required.

Key Features

• Return line hose assembly for power steering systems
• Max working pressure of 250 psi for return-side operation
• High-grade steel tubing with zinc electroplating for rust and corrosion resistance
• Precision-engineered fit for select Lexus RX350 and RX330 applications
• Restores worn wearable parts with application-specific brackets, grommets, heat shields, bushings, and protective sleeves as required
• Part number 3404310 for easy identification and ordering

Detailed Description

This Sunsong power steering return line hose assembly is built to replace the return hose routing from the pipe to the reservoir on select Lexus vehicles. It is a direct-fit solution for 2007-2009 Lexus RX350, Pipe To Reservoir, and 2006 Lexus RX330, Pipe To Reservoir, From 2/1. The 3404310 hose assembly is made to meet original equipment performance standards and uses zinc-coated steel tubing to help resist road salt, water, grime, and humidity.

This part cross-references 93032 and 444060E020 for the same application. If you are searching for a Lexus RX350 power steering return hose or a Lexus RX330 pipe to reservoir hose assembly, Sunsong 3404310 provides a fit-focused replacement option.

Common Problems This Part Can Address

• Power steering fluid seepage at the return line
• Cracked, rusted, or fatigued hose tubing
• Corrosion on exposed steering line components
• Noise or poor steering response caused by a failing return hose
• Leak-related fluid loss in the steering reservoir circuit

Installation Notes and Tips

Verify the vehicle year, model, and return-line routing before installation. This assembly is specified for pipe-to-reservoir applications, so confirm the existing hose path and connection points on the vehicle. Inspect adjacent brackets, bushings, and sleeves during replacement to ensure the steering return line is restored to proper condition.

Quality Assurance

Sunsong designs this return hose assembly to exceed original equipment performance standards for return-side steering service. The zinc-plated steel construction is selected to improve resistance to corrosion in demanding underhood and road conditions.