Sunsong 3402065 Power Steering Return Line Hose Assembly - Cooler To Reservoir

Overview of Sunsong Power Steering Return Line Hose Assembly

The Sunsong 3402065 power steering return line hose assembly is designed specifically for BMW 740i and 740iL models. This hose assembly ensures reliable fluid return in the power steering system, maintaining optimal steering performance and vehicle safety.

• Compatible with BMW 740i and 740iL models
• Part number 3402065 for precise identification
• 24.3 inches (616 mm) in length for exact fitment
• End 1 features a 12 mm beaded tube fitting
• End 2 includes a 7/16 inch ID hose fitting
• Constructed from durable NBR/CR hose material
• Includes technical tip TT1000 for installation guidance

Detailed Product Description and Specifications

The Sunsong 3402065 power steering return line hose assembly is engineered with a 12 mm beaded tube fitting on one end and a 7/16 inch ID hose fitting on the other, ensuring secure connections within the power steering system. The hose material combines nitrile butadiene rubber and chloroprene (NBR/CR), providing resistance to heat, oil, and wear, which is critical for maintaining fluid integrity and preventing leaks. Measuring 24.3 inches (616 mm) in length, this hose assembly is tailored to fit the power steering return line requirements of BMW 740i and 740iL vehicles, supporting proper fluid flow and system pressure.

Common Applications and Problem Resolution

• Replaces worn or cracked power steering return hoses in BMW 740i and 740iL
• Prevents power steering fluid leaks that can cause steering difficulty
• Addresses hose swelling or hardening due to age or heat exposure
• Restores proper fluid return flow to maintain steering responsiveness
• Eliminates noise or vibration caused by faulty return line components

Installation Notes and Technical Tips

When installing the Sunsong 3402065 power steering return line hose assembly, ensure the 12 mm beaded tube fitting and 7/16 inch ID hose fitting are securely connected to their respective ports. The included technical tip TT1000 provides guidance on proper hose routing and securing methods to avoid kinks or undue stress. Verify hose length and fitting compatibility with the BMW 740i or 740iL model year specifications before installation. Proper installation helps maintain system pressure and prevents premature hose failure.

Quality Assurance and Warranty Information

Sunsong power steering components are manufactured to meet or exceed OEM standards for durability and performance. The 3402065 hose assembly undergoes rigorous quality control to ensure resistance to heat, oil, and pressure typical in power steering systems. While specific warranty details may vary, Sunsong products generally include a limited warranty against defects in materials and workmanship, providing confidence in long-term reliability for BMW 740i and 740iL owners.