Sunsong 3405219 Power Steering Pressure Line Hose Assembly

BMW Power Steering Pressure Hose

The Sunsong 3405219 power steering pressure line hose assembly is built for BMW steering systems that demand precise fluid transfer and durable construction. It is a direct-fit replacement for select 2006-2009 BMW 5 Series xDrive/xi models, including the 528i xDrive, 528xi, 525xi, and 530xi.

With high-pressure capability, corrosion-resistant tubing, and exact-fit engineering, this hose supports reliable steering response in demanding driving conditions. The Sunsong 3405219 is a practical choice for restoring pressure line performance on BMW 528i xDrive and related applications.

Key Features

• Power steering pressure line hose assembly for select BMW applications
• Max working pressure: 1,500 psi
• Burst pressure rating: 8,700 psi
• Tensile strength: 1,600 lb
• High-grade steel tubing with zinc electroplating for corrosion and rust resistance
• Precision-engineered fit for original-style routing and connection points
• End fittings: Male O-Ring, 14 mm and 16 mm
• Material: CSM

Detailed Description

Sunsong 3405219 is a power steering pressure line hose assembly engineered to replace worn or leaking pressure hoses in BMW steering systems. It is listed for 2006-2007 BMW 525xi, 2006-2007 BMW 530xi, 2008 BMW 528xi, and 2009 BMW 528i xDrive. The hose is built with high-grade steel tubing and a zinc coating to help resist corrosion from humidity, road salt, water, and grime. Its pressure ratings and tensile strength support dependable operation under steering-system load, while the exact-fit design helps restore proper hose routing and connection integrity.

This part cross-references Gates 366301 and Nissens 92848 for the same application.

Common Issues This Part Can Help Resolve

• Power steering fluid leaks from a damaged pressure hose
• Loss of steering assist caused by pressure-line failure
• Corrosion-related hose deterioration in harsh road conditions
• Improper hose fitment after a previous replacement
• Steering noise or inconsistent assist linked to restricted fluid flow

Installation Notes and Tips

Before installation, compare the original hose routing, fitting sizes, and connection style to confirm match-up with the vehicle. This assembly uses Male O-Ring ends in 14 mm and 16 mm sizes. Inspect adjacent steering components, seals, and fluid condition during replacement, and verify that all connections are clean before tightening. After installation, bleed the power steering system according to BMW service procedures and check for leaks with the engine running.

Quality Assurance

Each Sunsong 3405219 hose is pressure-tested before leaving the factory to help ensure consistent performance and trouble-free installation. The hose is engineered to meet demanding pressure requirements for long service life in compatible BMW steering applications.