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Sunsong 3402821 Power Steering Pressure Line Hose Assembly - Pump To Rack
Overview of Sunsong Power Steering Pressure Line Hose Assembly
The Sunsong 3402821 power steering pressure line hose assembly is designed specifically for BMW 525i, 528i, and 530i models. This hose assembly ensures reliable hydraulic fluid transfer within the power steering system, maintaining optimal steering performance.
- Compatible with BMW 525i, 528i, and 530i models
- Length: 57.8 inches (1467 mm) for precise fitment
- End 1 fitting: 14 mm banjo type
- End 2 fitting: 16 mm male o-ring type
- Constructed with durable CSM hose material
- No bracket included
- No power steering switch port
Detailed Product Description
The Sunsong 3402821 power steering pressure line hose assembly is engineered with a 57.8-inch (1467 mm) length to match the specific routing requirements of BMW 525i, 528i, and 530i vehicles. It features a 14 mm banjo fitting on one end and a 16 mm male o-ring fitting on the other, ensuring secure connections to the power steering pump and steering gear. The hose is made from CSM (chlorosulfonated polyethylene) material, known for its resistance to heat, oil, and abrasion, which contributes to long-lasting performance under demanding conditions. This assembly does not include a bracket or a power steering switch port, aligning with the original equipment specifications for the compatible BMW models.
Common Applications and Issues Addressed
- Replacement of worn or leaking power steering pressure hoses
- Resolving low power steering fluid pressure causing steering difficulty
- Eliminating fluid leaks that can damage engine components
- Restoring proper hydraulic flow for smooth steering response
- Preventing hose failure due to material degradation or abrasion
Installation Notes and Tips
- Ensure the hose length and fitting types match the vehicle’s original specifications
- Inspect all connections for leaks after installation
- Use proper torque settings on banjo and o-ring fittings to avoid damage
- Flush the power steering system if contamination is suspected before installing the new hose
- Refer to the technical tip Tt1000 for additional installation guidance
Quality Assurance and Warranty
Sunsong power steering components are manufactured to meet or exceed OEM standards for durability and performance. The 3402821 hose assembly undergoes rigorous quality control to ensure reliable operation in BMW 525i, 528i, and 530i models. While specific warranty details may vary, Sunsong products typically include coverage against defects in materials and workmanship to provide confidence in your replacement part.
| Brand | Sunsong |
|---|---|
| Part Number | 3402821 |
| End 1 Fitting Size (mm) | 14 |
| End 1 Fitting Type | Banjo |
| End 2 Fitting Size (mm) | 16 |
| End 2 Fitting Type | Male O-Ring |
| Hose Material 1 | CSM |
| Length (in) | 57.8 |
| Length (mm) | 1467 |
| Tech Tip | TT1000 |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2003 | BMW | 525i | Pump To Rack | |
| 2003 | BMW | 530i | Pump To Rack | |
| 2002 | BMW | 525i | Pump To Rack | |
| 2002 | BMW | 530i | Pump To Rack | |
| 2001 | BMW | 525i | Pump To Rack | |
| 2001 | BMW | 530i | Pump To Rack | |
| 2000 | BMW | 528i | Pump To Rack | |
| 1999 | BMW | 528i | Pump To Rack | |
| 1998 | BMW | 528i | Pump To Rack |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.