Sunsong 3404421 Power Steering Pressure Line Hose Assembly - From Pump (Upper)

Overview of Sunsong Power Steering Pressure Line Hose Assembly

The Sunsong 3404421 power steering pressure line hose assembly is designed specifically for BMW 525i and 530i models. Engineered to meet OEM specifications, this hose assembly ensures reliable hydraulic fluid transfer within the power steering system.

• Compatible with BMW 525i and 530i models
• Length: 92 inches (2336 mm) for precise fitment
• End 1 fitting: 14 mm banjo type
• End 2 fitting: 16 mm male type
• Constructed with durable CSM hose material
• No bracket included
• Does not include a power steering switch port

Detailed Product Description

The Sunsong 3404421 power steering pressure line hose assembly features a 92-inch length, providing an exact fit for BMW 525i and 530i vehicles. The hose is made from CSM (chlorosulfonated polyethylene) material, known for its resistance to heat, oil, and abrasion, which is critical for maintaining system integrity under high pressure. The assembly includes a 14 mm banjo fitting on one end and a 16 mm male fitting on the other, ensuring secure connections to the power steering pump and steering gear. This hose assembly does not come with a bracket or a power steering switch port, aligning with the original equipment design for these BMW models.

Common Applications and Problem Resolution

• Replaces worn or leaking power steering pressure hoses on BMW 525i and 530i
• Addresses power steering fluid leaks causing steering difficulty
• Restores proper hydraulic pressure for smooth steering response
• Prevents hose failure due to material degradation or fitting damage
• Eliminates noise and vibration caused by faulty pressure lines

Installation Notes and Tips

When installing the Sunsong 3404421 hose assembly, ensure all fittings are clean and free of debris before connection. Use appropriate torque specifications for the 14 mm banjo and 16 mm male fittings to avoid leaks. Since this assembly does not include a bracket, verify that the existing mounting points on the vehicle are intact and secure. Bleed the power steering system after installation to remove air and maintain optimal performance.

Quality Assurance and Warranty

Sunsong power steering components are manufactured to meet or exceed OEM standards for durability and performance. The 3404421 hose assembly undergoes rigorous testing to ensure resistance to pressure, heat, and chemical exposure. While specific warranty details are not provided, Sunsong products typically come with a limited warranty against defects in materials and workmanship.