Sunsong Power Steering Return Line Hose Assembly P/N:3402731

Keep power steering fluid flowing back where it belongs with the Sunsong power steering return line hose assembly, part number 3402731. It is a direct-fit replacement for the 1997-2003 BMW 540i. It runs in the cooler-to-reservoir position, carrying returning fluid from the power steering cooler back to the reservoir. See the Buyer's Guide tab for engine-specific application details.

• Rated for return duty: Sunsong return hoses are built to exceed original equipment performance standards. They have a maximum working pressure of 250 psi and are suited to low-pressure, high-temperature operation.
• Precision-engineered assembly: The assembly is engineered to exact fit. It includes the additional components Sunsong lists as necessary for replacing the wearable parts.
• Corrosion-resistant tubing: The tubing resists corrosion and rust from high humidity, road salt, water, and grime.
• Pressure tested: Each return hose goes through a high-pressure quality assurance test before it leaves the factory.

Sunsong is a vertically integrated manufacturer that researches, develops, and builds automotive fluid transfer hoses and lines. It designs its products around what installers need, with a focus on delivering exact form, fit, and function.

Signs this part may need replacing: power steering fluid seeping or dripping near the hose, a hose that looks wet, cracked, or swollen, a reservoir that keeps running low, or a pump that whines or groans as the fluid level drops. Diagnose the source of any leak before replacing parts.

Interchange: 32411095515 · 81486 · 80602 · 352165 · 23402731 · PSH0114R