Sunsong 3402731 Power Steering Return Line Hose Assembly - Cooler To Reservoir

Overview of Sunsong Power Steering Return Line Hose Assembly

The Sunsong 3402731 power steering return line hose assembly is designed specifically for BMW 540i models. This durable hose assembly ensures reliable fluid return in the power steering system, maintaining optimal steering performance and vehicle safety.

• Compatible with BMW 540i power steering systems
• 25 inches (635 mm) in length for precise fitment
• End 1: 11 mm id hose fitting
• End 2: 1/2 inch male single bead quick connect fitting
• Constructed with CSM hose material for durability
• No bracket included
• Part number 3402731 for accurate identification

Detailed Product Description

The Sunsong 3402731 power steering return line hose assembly is engineered to meet the specifications required by BMW 540i vehicles. Featuring a 25-inch length, this hose assembly connects the power steering system’s return line with an 11 mm inner diameter hose fitting on one end and a 1/2 inch male single bead quick connect fitting on the other. The hose is made from chlorosulfonated polyethylene (CSM), a material known for its resistance to heat, oil, and abrasion, ensuring long-lasting performance under demanding conditions. This assembly does not include a bracket or power steering switch port, simplifying installation and compatibility with the BMW 540i’s existing hardware.

Common Applications and Issues Addressed

• Replacement of worn or leaking power steering return line hoses in BMW 540i
• Resolving power steering fluid leaks that cause steering difficulty or noise
• Preventing power steering system pressure loss due to damaged hoses
• Maintaining proper fluid flow to avoid pump damage or steering failure
• Addressing hose degradation from heat and chemical exposure over time

Installation Notes and Tips

• Ensure the vehicle is cooled and pressure is relieved before removal
• Verify the hose length and fitting sizes match the BMW 540i specifications
• Use appropriate tools to disconnect the male single bead quick connect fitting without damage
• Inspect surrounding components for wear or damage during installation
• Follow Sunsong’s technical tip TT1000 for best installation practices

Quality Assurance and Warranty

Sunsong power steering return line hose assemblies are manufactured to meet OEM standards for fit, form, and function. The use of CSM hose material provides resistance to heat and chemical exposure, contributing to the product’s durability. Part number 3402731 undergoes quality control inspections to ensure reliability in BMW 540i applications. Warranty coverage details should be confirmed with the product documentation or supplier.