Sunsong 3402980 Power Steering Return Line Hose Assembly

Power Steering Return Hose for Toyota and Scion

Sunsong 3402980 is a power steering return line hose assembly built for low-pressure, high-temperature return-side service. It is engineered for direct replacement on select Toyota Echo and Scion xA and xB applications, with exact-fit routing and corrosion-resistant tubing where required.

Key Features

• Power steering return line hose assembly for return-side fluid flow
• Max working pressure of 250 psi for low-pressure hydraulic service
• CSM hose material with 3/8 in. ID hose fittings at both ends
• 42.1 in. overall length for application-specific routing
• High-grade steel tubing with zinc electroplating for rust and corrosion resistance
• Precision-engineered fit for 2000-2005 Toyota Echo, 2004-2006 Scion xA, and 2004-2006 Scion xB

Detailed Description

This Sunsong power steering return line hose assembly, part number 3402980, is built to restore the return side of the steering hydraulic circuit on select Toyota and Scion vehicles. It uses 3/8 in. ID hose ends and a 42.1 in. length to match the original routing on 2000-2005 Toyota Echo, 2004-2006 Scion xA, and 2004-2006 Scion xB models. The assembly is made for low-pressure, high-temperature operation and includes corrosion-resistant steel tubing with zinc coating where applicable to help withstand humidity, road salt, water, and grime.

This part cross-references Dorman - HELP 81112 for the same application. If you are searching for a Toyota Echo power steering return hose or a Scion xB power steering return line hose assembly, Sunsong 3402980 provides an OE-style replacement built around the original fitment requirements.

Common Problems This Part Can Address

• Power steering fluid seepage from a worn return hose
• Cracked or hardened hose material from heat and age
• Corrosion on exposed steering line tubing
• Improper hose routing after a failed original assembly
• Noise or steering performance issues caused by fluid loss

Installation Notes and Tips

Verify vehicle fitment by year and model before installation. This assembly is intended for return-side power steering service, so confirm the hose routing, end sizes, and overall length match the original part on your Toyota Echo, Scion xA, or Scion xB. Inspect related brackets, grommets, heat shields, bushings, and protective sleeves on the vehicle and replace worn components as needed to restore the original condition of the wearable parts.

Quality Assurance

Sunsong states that this return hose assembly exceeds original equipment performance standards for its intended low-pressure application. The design uses high-grade steel tubing with zinc electroplating to improve resistance to corrosion and rust in harsh road conditions.