Sunsong 3403650 Power Steering Pressure Line Hose Assembly

Overview of Sunsong Power Steering Pressure Line Hose Assembly

The Sunsong 3403650 power steering pressure line hose assembly is designed for precise fitment on select BMW models, including the 1 Series M, 135i, 335i, 335is, and 335i xDrive. Engineered to meet OEM specifications, this hose assembly ensures reliable hydraulic performance in your vehicle's power steering system.

• Compatible with BMW 1 Series M, 135i, 335i, 335is, and 335i xDrive
• Part number 3403650 for accurate identification
• 61.9 inches (1573 mm) in length for proper routing
• Constructed with durable CSM hose material
• Banjo fitting type on both ends with 16 mm and 14 mm sizes
• No bracket included, designed for direct replacement
• Does not include a power steering switch port

Detailed Product Description

This Sunsong power steering pressure line hose assembly (part number 3403650) is manufactured using high-quality chlorosulfonated polyethylene (CSM) material, known for its resistance to heat, oil, and abrasion. The hose measures 61.9 inches (1573 mm) in length, providing the correct reach for installation in compatible BMW models. Both ends feature banjo fittings, with the first end sized at 16 mm and the second at 14 mm, ensuring a secure and leak-free connection within the power steering system. The absence of a bracket simplifies installation by matching the original equipment setup. This hose assembly does not include a power steering switch port, consistent with the factory design for the specified vehicles.

Compatible Vehicles and Applications

This power steering pressure line hose assembly is compatible with the following BMW models:

• BMW 1 Series M
• BMW 135i
• BMW 335i
• BMW 335is
• BMW 335i xDrive

It is intended for use in the power steering system to maintain hydraulic pressure and fluid flow, critical for steering responsiveness and control.

Common Issues Addressed by This Hose Assembly

• Leaking or cracked power steering pressure hoses
• Loss of hydraulic pressure causing steering difficulty
• Damaged or worn banjo fittings leading to fluid leaks
• Hose deterioration from heat and chemical exposure
• Replacement of original equipment hoses to restore system integrity

Installation Notes and Tips

• Ensure the vehicle is safely lifted and supported before beginning installation
• Drain power steering fluid to prevent spills during hose removal
• Verify banjo fitting sizes (16 mm and 14 mm) match the vehicle’s connection points
• Inspect and replace any worn or damaged washers on banjo fittings
• Follow torque specifications for banjo bolt installation to avoid leaks
• Bleed the power steering system after installation to remove air

Quality Assurance and Warranty

The Sunsong 3403650 power steering pressure line hose assembly is manufactured to meet or exceed OEM standards for durability and performance. While specific warranty details may vary, Sunsong products typically come with a limited warranty against defects in materials and workmanship. This ensures confidence in the product’s reliability when installed on compatible BMW 1 Series M, 135i, 335i, 335is, and 335i xDrive models.