OE Quality
60-Day Returns

Sunsong 3401638 Power Steering Pressure Line Hose Assembly
Overview of Sunsong Power Steering Pressure Line Hose Assembly
The Sunsong 3401638 power steering pressure line hose assembly is designed specifically for Ford Focus models. Engineered to meet OEM specifications, this hose assembly ensures reliable hydraulic fluid transfer within the power steering system.
- Compatible with Ford Focus vehicles
- Includes bracket for secure mounting
- End 1 fitting: 11 mm male captive o-ring
- End 2 fitting: 16 mm swivel o-ring
- Constructed with durable CSM hose material
- Overall length: 78.1 inches (1983 mm)
- Equipped with power steering switch port
Detailed Product Description and Specifications
The Sunsong 3401638 power steering pressure line hose assembly features a robust CSM (chlorosulfonated polyethylene) hose material, known for its resistance to heat, oil, and abrasion. This assembly includes a bracket for proper alignment and secure installation within the engine bay. The hose ends are fitted with an 11 mm male captive o-ring on one side and a 16 mm swivel o-ring on the other, facilitating a tight, leak-resistant connection to the power steering pump and steering gear. Measuring 78.1 inches (1983 mm) in length, this hose assembly is designed to maintain optimal fluid pressure and flow for the power steering system in Ford Focus vehicles. Additionally, the integrated power steering switch port allows for compatibility with the vehicle’s pressure sensor system.
Compatible Vehicles and Applications
This power steering pressure line hose assembly is compatible with Ford Focus models requiring part number 3401638. It is intended for use in the power steering system to transfer hydraulic fluid from the pump to the steering gear, ensuring smooth and responsive steering performance.
- Replaces worn or leaking power steering pressure hoses
- Addresses issues such as fluid leaks and low steering responsiveness
- Prevents power steering pump damage caused by fluid loss
- Eliminates noise or whining caused by air entering the system
- Restores proper hydraulic pressure for steering control
Installation Notes and Technical Tips
When installing the Sunsong 3401638 hose assembly, ensure the bracket is securely fastened to prevent hose movement and potential wear. Verify that the male captive o-ring and swivel o-ring fittings are properly seated to avoid leaks. The hose length of 78.1 inches allows for precise routing within the engine compartment. Refer to technical tips TT1000, TT1001, and TT1002 for additional guidance on installation and maintenance procedures.
Quality Assurance and Warranty Information
Sunsong power steering components are manufactured to meet industry standards for durability and performance. The 3401638 hose assembly undergoes rigorous quality control to ensure leak-free operation and long service life. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Sunsong |
|---|---|
| Part Number | 3401638 |
| Bracket (Y/N) | Y |
| End 1 Fitting Size (mm) | 11 |
| End 1 Fitting Type | Male Captive O-Ring |
| End 2 Fitting Size (mm) | 16 |
| End 2 Fitting Type | Swivel O-Ring |
| Hose Material 1 | CSM |
| Length (in) | 78.1 |
| Length (mm) | 1983 |
| PS Switch Port (Y/N) | Y |
| Tech Tip | TT1000|TT1001|TT1002 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2007 | Ford | Focus | N/A | |
| 2006 | Ford | Focus | N/A | To 8/13 |
| 2006 | Ford | Focus | N/A | |
| 2005 | Ford | Focus | N/A |
* 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.