OE Quality
60-Day Returns

Sunsong 3403734 Power Steering Return Line Hose Assembly - Cooler To Reservoir
Overview of Sunsong Power Steering Return Line Hose Assembly
The Sunsong 3403734 power steering return line hose assembly is designed specifically for Subaru B9 Tribeca and Tribeca models. This hose assembly ensures reliable fluid return in the power steering system, maintaining smooth steering performance.
- Compatible with Subaru B9 Tribeca and Tribeca models
- Part number 3403734 for precise identification
- 13.4 inches (340 mm) in length for exact fitment
- 3/8 inch inner diameter hose fittings on both ends
- Constructed with durable CSM hose material for resistance to heat and wear
Detailed Product Description
The Sunsong 3403734 power steering return line hose assembly features 3/8 inch inner diameter hose fittings on both ends, designed as ID hoses to connect seamlessly within the power steering system. Measuring 13.4 inches (340 mm) in length, this hose assembly is engineered to fit the Subaru B9 Tribeca and Tribeca models accurately. The hose material is CSM (chlorosulfonated polyethylene), known for its durability and resistance to heat, oil, and abrasion, which helps maintain system integrity under demanding conditions. This part is essential for returning power steering fluid from the steering gear back to the reservoir, ensuring consistent hydraulic pressure and steering response.
Common Applications and Issues Addressed
- Replacement of worn or cracked power steering return hoses
- Resolving fluid leaks in the power steering return line
- Eliminating steering noise caused by air entering the system
- Preventing power steering fluid contamination and pressure loss
- Maintaining proper hydraulic fluid flow for smooth steering operation
Installation Notes and Tips
When installing the Sunsong 3403734 power steering return line hose assembly, ensure the vehicle is safely lifted and the power steering system is depressurized. Verify the hose length and fitting sizes match the original equipment. Use appropriate clamps and fittings to secure the hose ends, avoiding twisting or kinking the hose during installation. The Tech Tip TT1000 can be referenced for additional guidance on installation procedures and torque specifications.
Quality Assurance and Warranty Information
Sunsong power steering components are manufactured to meet or exceed OEM specifications for fit, form, and function. The 3403734 hose assembly undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Sunsong typically offers coverage against defects in material and workmanship. Consult product documentation or the supplier for exact warranty terms.
| Brand | Sunsong |
|---|---|
| Part Number | 3403734 |
| End 1 Fitting Size (in) | 3/8 |
| End 1 Fitting Type | ID Hose |
| End 2 Fitting Size (in) | 3/8 |
| End 2 Fitting Type | ID Hose |
| Hose Material 1 | CSM |
| Length (in) | 13.4 |
| Length (mm) | 340 |
| Tech Tip | TT1000 |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2012 | Subaru | Tribeca | Cooler To Reservoir | |
| 2011 | Subaru | Tribeca | Cooler To Reservoir | |
| 2010 | Subaru | Tribeca | Cooler To Reservoir | |
| 2009 | Subaru | Tribeca | Cooler To Reservoir | |
| 2008 | Subaru | Tribeca | Cooler To Reservoir | |
| 2007 | Subaru | B9 Tribeca | Cooler To Reservoir | |
| 2006 | Subaru | B9 Tribeca | Cooler To Reservoir |
* 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.