OE Quality
60-Day Returns

Sunsong 3402370 Power Steering Pressure Line Hose Assembly - To Gear
Overview of Sunsong Power Steering Pressure Line Hose Assembly
The Sunsong 3402370 power steering pressure line hose assembly is designed specifically for Lincoln LS models. Engineered to meet OEM specifications, this hose assembly ensures reliable hydraulic fluid transfer within the power steering system, maintaining optimal steering performance.
- Compatible with Lincoln LS power steering systems
- Length: 52.3 inches (1328 mm) for precise fitment
- End 1 fitting: 13 mm male captive o-ring
- End 2 fitting: 16 mm swivel o-ring
- Constructed with durable CSM hose material
- Includes power steering switch port for system integration
- No bracket included
Detailed Product Description and Specifications
The Sunsong 3402370 power steering pressure line hose assembly features a 52.3-inch length, providing an exact fit for the Lincoln LS power steering system. The hose is made from CSM (chlorosulfonated polyethylene) material, known for its resistance to heat, oil, and abrasion, which helps maintain system integrity under demanding conditions. The assembly includes a 13 mm male captive o-ring fitting on one end and a 16 mm swivel o-ring fitting on the other, ensuring secure and leak-free connections. Additionally, this hose assembly is equipped with a power steering switch port, allowing for proper sensor integration and system monitoring.
Applications and Common Issues Addressed
- Replacement for worn or leaking power steering pressure lines on Lincoln LS vehicles
- Resolves power steering fluid leaks that cause steering difficulty or noise
- Prevents loss of hydraulic pressure affecting steering responsiveness
- Addresses hose damage from heat, abrasion, or aging
- Supports proper function of power steering switch sensors
Installation Notes and Technical Tips
When installing the Sunsong 3402370 power steering pressure line hose assembly, ensure all fittings are clean and free of debris to prevent leaks. The male captive o-ring and swivel o-ring fittings require proper seating and torque according to manufacturer specifications. This assembly does not include a mounting bracket, so verify existing bracket condition before installation. Refer to technical tips TT1000, TT1001, TT1002, TT1004, and TT1008 for detailed guidance on installation and system bleeding procedures.
Quality Assurance and Warranty Information
Sunsong power steering components are manufactured to meet or exceed industry standards for durability and performance. The 3402370 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, as terms may vary.
| Brand | Sunsong |
| Part Number | 3402370 |
| End 1 Fitting Size (mm) | 13 |
| 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) | 52.3 |
| Length (mm) | 1328 |
| PS Switch Port (Y/N) | Y |
| Tech Tip | TT1000|TT1001|TT1002|TT1004|TT1008 |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2005 | Lincoln | LS | To Gear | ||
| 2004 | Lincoln | LS | Base | To Gear | |
| 2003 | Lincoln | LS | To Gear |
* 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.