OE Quality
60-Day Returns

Sunsong 3403952 Power Steering Pressure Line Hose Assembly
Overview of Sunsong Power Steering Pressure Line Hose Assembly
The Sunsong 3403952 power steering pressure line hose assembly is designed for reliable hydraulic fluid transfer in Ford and Lincoln vehicles. Engineered to meet specific fitment requirements, this hose assembly supports models such as the Ford Flex, Lincoln MKS, MKT, and Taurus.
- Compatible with Ford Flex, Lincoln MKS, MKT, and Taurus models
- Length: 57 inches (1447 mm) for precise fitment
- End 1 fitting: 14 mm male o-ring
- End 2 fitting: 16 mm swivel o-ring
- Constructed with durable CSM hose material
- Includes power steering switch port for system integration
- Bracket not included
Detailed Product Description
The Sunsong 3403952 power steering pressure line hose assembly is built with high-quality chlorosulfonated polyethylene (CSM) material, providing resistance to heat, pressure, and hydraulic fluid degradation. Measuring 57 inches (1447 mm) in length, it ensures proper routing and connection between the power steering pump and steering gear. The hose features a 14 mm 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. Additionally, this assembly includes a power steering switch port, enabling integration with the vehicle’s power steering system for optimal performance. This hose assembly is designed specifically for Ford and Lincoln vehicles, including the Flex, MKS, MKT, and Taurus models, ensuring compatibility and reliable operation.
Common Applications and Issues Addressed
- Replacement of worn or leaking power steering pressure hoses
- Resolving power steering fluid leaks causing steering difficulty
- Addressing pressure loss in the power steering system
- Eliminating hose damage from heat or abrasion
- Restoring proper hydraulic fluid flow for smooth steering response
Installation Notes and Tips
When installing the Sunsong 3403952 power steering pressure line hose assembly, ensure all fittings are clean and free of debris before connection. The 14 mm male o-ring and 16 mm swivel o-ring fittings require proper torque to prevent leaks without damaging the seals. Verify the hose routing matches the original to avoid kinks or interference with other components. The included power steering switch port should be connected according to the vehicle’s service manual. Refer to technical tip TT1000 for additional installation guidance.
Quality Assurance and Warranty
Sunsong power steering hoses are manufactured to meet or exceed OEM specifications for durability and performance. The 3403952 hose assembly undergoes rigorous testing to ensure resistance to pressure, heat, and fluid compatibility. While specific warranty details are not provided, Sunsong products typically come with a limited warranty against defects in materials and workmanship. For detailed warranty information, consult the product documentation or manufacturer resources.
| Brand | Sunsong |
| Part Number | 3403952 |
| Bracket (Y/N) | N |
| End 1 Fitting Size (mm) | 14 |
| 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) | 57 |
| Length (mm) | 1447 |
| PS Switch Port (Y/N) | Y |
| Tech Tip | Tt1000 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2012 | Ford | Flex | N/A | |
| 2012 | Ford | Taurus | N/A | |
| 2012 | Lincoln | MKS | N/A | |
| 2012 | Lincoln | MKT | N/A | |
| 2011 | Ford | Flex | N/A | |
| 2011 | Ford | Taurus | N/A | |
| 2011 | Lincoln | MKS | N/A | |
| 2011 | Lincoln | MKT | N/A | |
| 2010 | Ford | Flex | N/A | |
| 2010 | Ford | Taurus | N/A | |
| 2010 | Lincoln | MKS | N/A | |
| 2010 | Lincoln | MKT | 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.