OE Quality
60-Day Returns

Sunsong 3404553 Power Steering Return Line Hose Assembly - Cooler To Reservoir
Reliable Power Steering Return Line Hose for Mazda CX-9
The Sunsong 3404553 power steering return line hose assembly is designed specifically for the Mazda CX-9. Engineered to meet OEM specifications, this hose ensures proper fluid return and maintains the integrity of your vehicle's power steering system.
- Compatible with Mazda CX-9 models requiring power steering return line hose replacement
- Durable construction to withstand high pressure and temperature variations
- Direct replacement for part number 3404553 ensuring proper fit and function
- Includes technical tip reference Tt1000 for installation guidance
- Manufactured by Sunsong, a trusted brand in steering components
Product Details and Technical Specifications
The Sunsong power steering return line hose assembly (part number 3404553) is crafted to provide a secure and leak-free connection within the power steering system of the Mazda CX-9. This hose is built to handle the return flow of hydraulic fluid from the steering gear back to the power steering pump. The technical tip Tt1000 included with this product offers valuable installation insights to ensure proper routing and connection, reducing the risk of premature wear or failure.
Common Applications and Problem Resolution
- Replacement of worn or cracked power steering return line hoses on Mazda CX-9
- Eliminating power steering fluid leaks that cause steering difficulty
- Resolving low power steering fluid pressure issues affecting steering response
- Preventing contamination of the power steering system due to hose degradation
- Addressing noise or whining sounds caused by faulty return line hoses
Installation Notes and Tips
When installing the Sunsong 3404553 power steering return line hose assembly, refer to the included technical tip Tt1000 for detailed guidance. Ensure all connections are tightened to manufacturer torque specifications to prevent leaks. Inspect surrounding components for wear during installation to maintain overall system integrity. Proper routing of the hose is critical to avoid kinks or contact with moving parts.
Quality Assurance and Warranty Information
Sunsong manufactures this power steering return line hose assembly to meet strict quality standards, ensuring durability and reliable performance. While specific warranty details are not provided, Sunsong products typically undergo rigorous testing to comply with industry requirements for steering components.
| Brand | Sunsong |
| Part Number | 3404553 |
| Tech Tip | Tt1000 |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2015 | Mazda | CX-9 | Cooler To Reservoir | |
| 2014 | Mazda | CX-9 | Cooler To Reservoir | |
| 2013 | Mazda | CX-9 | Cooler To Reservoir | |
| 2012 | Mazda | CX-9 | Cooler To Reservoir | |
| 2011 | Mazda | CX-9 | Cooler To Reservoir | |
| 2010 | Mazda | CX-9 | Cooler To Reservoir | |
| 2009 | Mazda | CX-9 | Cooler To Reservoir | |
| 2008 | Mazda | CX-9 | Cooler To Reservoir | |
| 2007 | Mazda | CX-9 | 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.