OE Quality
60-Day Returns

Sunsong 3403725 Power Steering Reservoir Hose
Overview of Sunsong Power Steering Reservoir Hose 3403725
The Sunsong power steering reservoir hose 3403725 is designed specifically for Subaru Legacy and Outback models. This hose ensures reliable fluid transfer within the power steering system, maintaining optimal steering performance and vehicle safety.
- Compatible with Subaru Legacy and Outback models
- End 1 and End 2 fitting size: 16 mm
- End fitting type: ID hose on both ends
- Constructed from durable CPE hose material
- Length: 16.9 inches (430 mm)
- Technical tip reference: TT1000
Detailed Product Description
The Sunsong power steering reservoir hose 3403725 features a 16 mm internal diameter fitting on both ends, designed as ID hoses to ensure a secure and leak-free connection. Made from CPE (chlorinated polyethylene), this hose material offers resistance to heat, pressure, and common automotive fluids, making it suitable for the demanding environment of the power steering system. With a length of 16.9 inches (430 mm), it fits precisely within the power steering assembly of Subaru Legacy and Outback vehicles, providing consistent fluid flow between the reservoir and pump.
Applications and Common Issues Addressed
- Replacement for worn or cracked power steering reservoir hoses
- Prevents fluid leaks that can cause steering performance issues
- Restores proper hydraulic pressure in the power steering system
- Eliminates hose swelling or softening due to heat exposure
- Helps avoid steering noise or stiffness caused by hose failure
Installation Notes and Tips
When installing the Sunsong power steering reservoir hose 3403725, ensure both 16 mm ID hose fittings are securely connected to the corresponding reservoir and pump ports. Inspect the hose routing to avoid kinks or sharp bends that could restrict fluid flow. The technical tip TT1000 can be referenced for additional installation guidance. It is recommended to check for leaks after installation and to use appropriate clamps to maintain hose integrity under pressure.
Quality Assurance and Warranty
Sunsong manufactures this power steering reservoir hose to meet OEM specifications for Subaru Legacy and Outback models. The use of CPE material ensures durability and resistance to common automotive stresses. While specific warranty details are not provided, Sunsong products typically adhere to industry standards for quality and reliability, supporting long-term vehicle performance.
| Brand | Sunsong |
| Part Number | 3403725 |
| End 1 Fitting Size (mm) | 16 |
| End 1 Fitting Type | ID Hose |
| End 2 Fitting Size (mm) | 16 |
| End 2 Fitting Type | ID Hose |
| Hose Material 1 | CPE |
| Length (in) | 16.9 |
| Length (mm) | 430 |
| Tech Tip | TT1000 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2004 | Subaru | Legacy | N/A | |
| 2004 | Subaru | Outback | N/A | |
| 2003 | Subaru | Legacy | N/A | |
| 2002 | Subaru | Legacy | N/A | |
| 2001 | Subaru | Legacy | N/A | |
| 2000 | Subaru | Legacy | 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.