Sunsong 3404940 Power Steering Return Line Hose Assembly - Intermediate Pipe

Power Steering Return Line Hose Assembly for Lexus ES350

The Sunsong 3404940 power steering return line hose assembly is designed specifically for the Lexus ES350. Engineered to meet OEM specifications, this hose assembly ensures reliable fluid return and maintains optimal steering performance.

• Length: 43.3 inches (1100 mm) for precise fitment
• End 1 fitting type: ID hose connection
• End 2 fitting type: 3/8 inch bubble flare
• Durable CSM hose material for resistance to heat and wear
• No bracket included, designed for direct replacement
• No power steering switch port, compatible with standard systems

Durable Construction and Precise Fitment

This Sunsong power steering return line hose assembly (part number 3404940) is constructed from high-quality chlorosulfonated polyethylene (CSM) material, providing excellent resistance to heat, oil, and abrasion. The hose length of 43.3 inches (1100 mm) ensures a proper fit within the Lexus ES350’s power steering system. The assembly features an ID hose fitting on one end and a 3/8 inch bubble flare fitting on the other, allowing for secure and leak-free connections. Without a bracket or power steering switch port, this hose is designed for straightforward replacement in compatible Lexus ES350 models.

Compatible Vehicles and Applications

This power steering return line hose assembly is compatible with the Lexus ES350, providing a direct replacement for worn or damaged return lines. It is intended for use in the power steering system to facilitate the return of hydraulic fluid from the steering gear back to the reservoir, helping maintain smooth steering operation.

• Replaces leaking or cracked power steering return hoses
• Addresses low power steering fluid pressure issues
• Prevents fluid contamination and steering system damage
• Eliminates steering noise caused by hose failure
• Restores proper hydraulic fluid flow in the power steering system

Installation Notes and Tips

When installing the Sunsong 3404940 power steering return line hose assembly, ensure the vehicle is safely lifted and the power steering system is depressurized. Carefully remove the old hose, noting the orientation of fittings. Verify that the new hose’s 43.3-inch length and fitting types match the original. Avoid twisting or kinking the hose during installation to maintain fluid flow integrity. After installation, check for leaks and refill the power steering fluid reservoir as needed.

Quality Assurance and Warranty

Sunsong power steering hoses are manufactured to meet or exceed industry standards for durability and performance. While specific warranty details for part number 3404940 are not provided, Sunsong products typically undergo rigorous quality control to ensure reliability in automotive applications. For warranty information, refer to the product packaging or contact the manufacturer directly.