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Sunsong 3402988 Power Steering Return Line Hose Assembly - Gear To Pipe
Overview of Sunsong Power Steering Return Line Hose Assembly
The Sunsong 3402988 power steering return line hose assembly is designed specifically for Toyota Sienna models. This hose assembly ensures reliable fluid return in the power steering system, maintaining smooth steering performance and system integrity.
- Compatible with Toyota Sienna power steering systems
- End 1 fitting: 3/8 inch ID hose
- End 2 fitting: 3/8 inch beaded tube
- Hose material: CSM (Chlorosulfonated Polyethylene) for durability
- Overall length: 29.7 inches (755 mm)
- Tech Tip: Tt1000 for installation guidance
Detailed Product Description
The Sunsong 3402988 power steering return line hose assembly is engineered with a 3/8 inch ID hose fitting on one end and a 3/8 inch beaded tube fitting on the other, providing a secure and leak-resistant connection within the power steering system. Constructed from CSM material, this hose offers resistance to heat, ozone, and hydraulic fluids, which is essential for maintaining performance under demanding conditions. Measuring 29.7 inches (755 mm) in length, it is tailored to fit the routing requirements of the Toyota Sienna's power steering return line.
Applications and Problem Resolution
This power steering return line hose assembly is used to return hydraulic fluid from the steering gear back to the power steering pump reservoir. It addresses several common issues including:
- Leaking or cracked return hoses causing fluid loss
- Reduced steering responsiveness due to fluid flow restrictions
- Swollen or deteriorated hoses from heat and chemical exposure
- Noise or whining from air entering the power steering system
- Preventing contamination and maintaining system pressure
Installation Notes and Tips
When installing the Sunsong 3402988 hose assembly on a Toyota Sienna, ensure the following:
- Verify the hose length and fitting types match the vehicle’s specifications
- Use the Tech Tip Tt1000 for proper routing and securing of the hose
- Inspect all connections for tightness to prevent leaks
- Replace any worn clamps or seals during installation
- Bleed the power steering system after installation to remove air
Quality Assurance and Warranty
Sunsong power steering components are manufactured to meet or exceed OEM standards for fit, form, and function. The 3402988 return line hose assembly undergoes rigorous quality control to ensure durability and reliability in Toyota Sienna vehicles. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Sunsong |
| Part Number | 3402988 |
| End 1 Fitting Size (in) | 3/8 |
| End 1 Fitting Type | ID Hose |
| End 2 Fitting Size (in) | 3/8 |
| End 2 Fitting Type | Beaded tube |
| Hose Material 1 | CSM |
| Length (in) | 29.7 |
| Length (mm) | 755 |
| Tech Tip | TT1000 |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2010 | Toyota | Sienna | AWD | Gear To Pipe | |
| 2009 | Toyota | Sienna | AWD | Gear To Pipe | |
| 2008 | Toyota | Sienna | AWD | Gear To Pipe | |
| 2007 | Toyota | Sienna | AWD | Gear To Pipe | |
| 2006 | Toyota | Sienna | AWD | Gear To Pipe | |
| 2005 | Toyota | Sienna | AWD | Gear To Pipe | |
| 2004 | Toyota | Sienna | AWD | Gear To Pipe |
* 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.