OE Quality
60-Day Returns

Sunsong 3401377 Power Steering Pressure Line Hose Assembly
Overview of Sunsong Power Steering Pressure Line Hose Assembly
The Sunsong 3401377 power steering pressure line hose assembly is designed specifically for Ford Excursion, F-250 Super Duty, and F-350 Super Duty models. This hose assembly ensures reliable fluid transfer within the power steering system, maintaining optimal steering performance.
- Compatible with Ford Excursion, F-250 Super Duty, and F-350 Super Duty
- Length: 28.5 inches (724 mm) for precise fitment
- End 1 fitting: 1/2 inch male o-ring
- End 2 fitting: 16 mm swivel o-ring
- Constructed with durable CSM hose material
- No bracket included
- No power steering switch port
Detailed Product Description
The Sunsong 3401377 power steering pressure line hose assembly is engineered with a 28.5-inch length to match the original equipment specifications for select Ford trucks. It features a 1/2 inch male o-ring fitting on one end and a 16 mm swivel o-ring fitting on the other, allowing for secure and leak-resistant connections within the power steering system. The hose is made from chlorosulfonated polyethylene (CSM), a material known for its resistance to heat, oil, and abrasion, which contributes to the durability and longevity of the component. This assembly does not include a bracket or a power steering switch port, aligning with the original design for the specified Ford models.
Common Applications and Issues Addressed
- Replacement for worn or leaking power steering pressure hoses on Ford Excursion, F-250 Super Duty, and F-350 Super Duty
- Eliminates power steering fluid leaks that cause steering difficulty
- Prevents loss of hydraulic pressure affecting steering responsiveness
- Addresses hose damage from heat, abrasion, or aging
- Restores proper fluid flow to power steering pump and rack
Installation Notes and Tips
- Ensure compatibility with Ford Excursion, F-250 Super Duty, and F-350 Super Duty before installation
- Use appropriate tools to avoid damaging fittings during removal and installation
- Inspect related components such as clamps and brackets for wear
- Follow torque specifications for fittings to prevent leaks
- Refer to technical tips Tt1000 and Tt1001 for additional installation guidance
Quality Assurance and Warranty
Sunsong power steering hoses are manufactured to meet or exceed OEM standards for fit, form, and function. The 3401377 hose assembly undergoes rigorous quality control to ensure durability and leak-free performance. While specific warranty details are not provided, Sunsong products typically come with a limited warranty against defects in material and workmanship. Consult product documentation or supplier for exact warranty terms.
| Brand | Sunsong |
| Part Number | 3401377 |
| End 1 Fitting Size (in) | 1/2 |
| End 1 Fitting Type | Male O-Ring |
| End 2 Fitting Size (mm) | 16 |
| End 2 Fitting Type | Swivel O-Ring |
| Hose Material 1 | CSM |
| Length (in) | 28.5 |
| Length (mm) | 724 |
| Tech Tip | TT1000|TT1001 |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2005 | Ford | Excursion | N/A | |
| 2004 | Ford | Excursion | N/A | |
| 2004 | Ford | F-250 Super Duty | N/A | |
| 2004 | Ford | F-350 Super Duty | N/A | |
| 2003 | Ford | Excursion | N/A | |
| 2003 | Ford | F-250 Super Duty | N/A | |
| 2003 | Ford | F-350 Super Duty | N/A | |
| 2002 | Ford | Excursion | N/A | |
| 2002 | Ford | F-250 Super Duty | N/A | |
| 2002 | Ford | F-350 Super Duty | N/A | |
| 2001 | Ford | Excursion | N/A | |
| 2001 | Ford | F-250 Super Duty | N/A | |
| 2001 | Ford | F-350 Super Duty | N/A | |
| 2000 | Ford | Excursion | N/A | |
| 2000 | Ford | F-250 Super Duty | N/A | |
| 2000 | Ford | F-350 Super Duty | N/A | |
| 1999 | Ford | F-250 Super Duty | N/A | From 3/22 |
| 1999 | Ford | F-350 Super Duty | N/A | From 3/22 |
* 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.