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Sunsong 3401390 Power Steering Pressure Line Hose Assembly - Hydroboost To Gear
Overview of Sunsong Power Steering Pressure Line Hose Assembly
The Sunsong 3401390 power steering pressure line hose assembly is designed for reliable hydraulic performance in select Ford and Mercury vehicles. Engineered to meet OEM specifications, this hose assembly ensures consistent power steering fluid flow for smooth steering response.
- Compatible with Ford Explorer, Explorer Sport, Explorer Sport Trac, Mountaineer, and Mustang models
- Length: 41.8 inches (1061 mm) for precise fitment
- End fittings: 16 mm swivel o-ring connections on both ends
- Constructed with durable CSM hose material for resistance to heat and pressure
- No bracket included, designed for direct replacement
Detailed Product Features and Specifications
The Sunsong 3401390 power steering pressure line hose assembly features 16 mm swivel o-ring fittings on both ends, providing secure and leak-resistant connections. The hose is made from chlorosulfonated polyethylene (CSM), a material known for its excellent resistance to heat, oil, and abrasion, which is critical for maintaining hydraulic integrity under demanding conditions. With a length of 41.8 inches (1061 mm), this hose assembly is tailored to fit the power steering systems of Ford Explorer, Explorer Sport, Explorer Sport Trac, Mercury Mountaineer, and Ford Mustang models. This assembly does not include a bracket or a power steering switch port, simplifying installation where those components are not required.
Applications and Common Issues Addressed
- Replaces worn or leaking power steering pressure hoses in compatible Ford and Mercury vehicles
- Prevents power steering fluid leaks that can cause steering difficulty or pump damage
- Restores proper hydraulic pressure for consistent steering performance
- Eliminates hose swelling or cracking due to age or heat exposure
- Helps avoid power steering pump failure caused by fluid loss or contamination
Installation Notes and Technical Tips
Installation of the Sunsong 3401390 power steering pressure line hose assembly requires proper handling of hydraulic components. Ensure the vehicle is safely lifted and the power steering system is depressurized before removal. The 16 mm swivel o-ring fittings should be inspected for damage and replaced if necessary to maintain a leak-free seal. Sunsong provides technical tips TT1000 and TT1002 to assist with installation and maintenance procedures. Since this assembly does not include a bracket, verify existing mounting points for secure hose routing.
Quality Assurance and Warranty Information
Sunsong power steering components are manufactured to meet or exceed OEM standards for durability and performance. The 3401390 hose assembly undergoes rigorous quality control to ensure resistance to pressure, heat, and fluid compatibility. While specific warranty details may vary, Sunsong typically offers coverage against defects in materials and workmanship to support long-term reliability in Ford Explorer, Mercury Mountaineer, and Ford Mustang applications.
| Brand | Sunsong |
| Part Number | 3401390 |
| End 1 Fitting Size (mm) | 16 |
| End 1 Fitting Type | Swivel O-Ring |
| End 2 Fitting Size (mm) | 16 |
| End 2 Fitting Type | Swivel O-Ring |
| Hose Material 1 | CSM |
| Length (in) | 41.8 |
| Length (mm) | 1061 |
| Tech Tip | TT1000|TT1002 |
This part fits 13 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2001 | Ford | Explorer | N/A | w/ Left Hand Drive, Requires Rerouting | |
| 2001 | Ford | Explorer Sport | N/A | Requires Rerouting | |
| 2001 | Ford | Explorer Sport Trac | N/A | Requires Rerouting | |
| 2001 | Mercury | Mountaineer | Base | N/A | Requires Rerouting |
| 2000 | Ford | Explorer | N/A | w/ Left Hand Drive, Requires Rerouting | |
| 2000 | Mercury | Mountaineer | Base | N/A | Requires Rerouting |
| 1999 | Ford | Explorer | N/A | Requires Rerouting | |
| 1999 | Mercury | Mountaineer | Base | N/A | Requires Rerouting |
| 1998 | Ford | Explorer | N/A | Requires Rerouting | |
| 1998 | Ford | Mustang | Hydroboost To Gear | ||
| 1998 | Mercury | Mountaineer | Base | N/A | Requires Rerouting |
| 1997 | Ford | Explorer | N/A | Requires Rerouting | |
| 1997 | Ford | Mustang | Hydroboost To Gear | From 7/30 |
* 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.