Sunsong 3403640 Power Steering Return Line Hose Assembly - Gear To Cooler

Overview of Sunsong Power Steering Return Line Hose Assembly

The Sunsong 3403640 power steering return line hose assembly is designed specifically for BMW 525i, 528i, and 530i models. Engineered to meet OEM specifications, this hose assembly ensures reliable fluid return in your vehicle's power steering system.

• Compatible with BMW 525i, 528i, and 530i models
• Part number 3403640 for precise identification
• 31.2 inches (792 mm) in length for exact fitment
• End 1 fitting: 16 mm banjo type
• End 2 fitting: 7/16 inch beaded tube
• Constructed with durable CSM hose material
• Includes technical tip TT1000 for installation guidance

Detailed Product Description and Specifications

The Sunsong 3403640 power steering return line hose assembly features a 16 mm banjo fitting on one end and a 7/16 inch beaded tube fitting on the other, ensuring secure connections within the power steering system. The hose is made from chlorosulfonated polyethylene (CSM), a material known for its resistance to heat, oil, and abrasion, which contributes to the longevity and reliability of the component. Measuring 31.2 inches (792 mm) in length, this hose assembly is tailored to fit the power steering return line requirements of BMW 525i, 528i, and 530i vehicles, providing a precise replacement part that maintains system integrity.

Common Applications and Problem Resolution

• Replacement of worn or leaking power steering return hoses in BMW 525i, 528i, and 530i
• Eliminates fluid leaks that cause steering difficulty or noise
• Prevents power steering system pressure loss and potential pump damage
• Addresses hose deterioration due to heat and chemical exposure
• Restores proper fluid flow for consistent steering performance

Installation Notes and Technical Tips

When installing the Sunsong 3403640 hose assembly, ensure the banjo fitting (16 mm) and beaded tube fitting (7/16 inch) are properly seated and secured to prevent leaks. The hose length of 31.2 inches should match the original equipment to avoid tension or kinks. Refer to technical tip TT1000 for detailed installation guidance, which can assist in achieving a correct and leak-free fitment. It is recommended to inspect related power steering components during installation for overall system health.

Quality Assurance and Warranty Information

Sunsong power steering hoses are manufactured to meet or exceed industry standards for durability and performance. The 3403640 hose assembly undergoes rigorous quality control to ensure compatibility and reliability in BMW 525i, 528i, and 530i models. While specific warranty terms may vary, Sunsong products typically include coverage against manufacturing defects, providing confidence in the part's longevity and function.