OE Quality
60-Day Returns

Sunsong 3404797 Power Steering Pressure Line Hose Assembly
Overview of Sunsong Power Steering Pressure Line Hose Assembly
The Sunsong 3404797 power steering pressure line hose assembly is designed specifically for Mercedes-Benz CL550 and S550 models. Engineered to meet the demands of your vehicle's steering system, this hose assembly ensures reliable fluid transfer without leaks or pressure loss.
- Compatible with Mercedes-Benz CL550 and S550
- Length: 67.1 inches (1705 mm) for precise fitment
- End 1 fitting: 16 mm male
- End 2 fitting: 5/8 inch male
- Constructed with durable CSM hose material
- No bracket included
- No power steering switch port
Detailed Product Description
The Sunsong 3404797 power steering pressure line hose assembly is crafted from high-quality chlorosulfonated polyethylene (CSM) material, known for its resistance to heat, oil, and abrasion. Measuring 67.1 inches (1705 mm) in length, this hose assembly features a 16 mm male fitting on one end and a 5/8 inch male fitting on the other, ensuring a secure and leak-free connection within the power steering system. This part does not include a bracket or a power steering switch port, making it a direct replacement for specific Mercedes-Benz CL550 and S550 models requiring this configuration.
Common Applications and Issues Addressed
- Replacement of worn or cracked power steering pressure hoses
- Elimination of fluid leaks causing steering performance issues
- Restoration of proper hydraulic pressure for smooth steering response
- Prevention of hose failure due to material degradation
- Addressing noise or vibration related to faulty pressure lines
Installation Notes and Tips
- Verify compatibility with your Mercedes-Benz CL550 or S550 before installation
- Ensure all fittings are clean and free of debris prior to assembly
- Use appropriate tools to avoid damaging the male fittings during installation
- Check for leaks after installation by running the engine and turning the steering wheel
- Replace power steering fluid as recommended by the vehicle manufacturer
Quality Assurance and Warranty
Sunsong power steering components are manufactured to meet or exceed OEM specifications for durability and performance. While specific warranty details for part number 3404797 are not provided, Sunsong products typically come with a limited warranty against defects in material and workmanship. For precise warranty information, consult the product documentation or your parts supplier.
| Brand | Sunsong |
| Part Number | 3404797 |
| Bracket (Y/N) | N |
| End 1 Fitting Size (mm) | 16 |
| End 1 Fitting Type | Male |
| End 2 Fitting Size (in) | 5/8 |
| End 2 Fitting Type | Male |
| Hose Material 1 | Csm |
| Length (in) | 67.1 |
| Length (mm) | 1705 |
| PS Switch Port (Y/N) | N |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2011 | Mercedes-Benz | S550 | 4Matic | N/A | Exc. Active Body Control |
| 2010 | Mercedes-Benz | CL550 | N/A | ||
| 2010 | Mercedes-Benz | S550 | 4Matic | N/A | Exc. Active Body Control |
| 2009 | Mercedes-Benz | CL550 | N/A | ||
| 2009 | Mercedes-Benz | S550 | 4Matic | N/A | Exc. Active Body Control |
| 2008 | Mercedes-Benz | S550 | 4Matic | N/A | Exc. Active Body Control |
| 2007 | Mercedes-Benz | S550 | 4Matic | N/A | Exc. Active Body Control |
* 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.