OE Quality
60-Day Returns

Sunsong 3403704 Power Steering Hose Assembly
Overview of Sunsong Power Steering Hose Assembly 3403704
The Sunsong power steering hose assembly 3403704 is designed specifically for Nissan 370Z models, providing a reliable connection within the power steering system. This hose assembly features a durable CSM hose material and includes a bracket for secure mounting.
- Compatible with Nissan 370Z power steering systems
- Durable CSM hose material for resistance to heat and pressure
- Includes mounting bracket for stable installation
- Length of 128.5 inches (3237 mm) to match OEM specifications
- Various fitting types on both ends for precise connection
Detailed Product Description
The Sunsong 3403704 power steering hose assembly is engineered to meet the specific requirements of the Nissan 370Z. Constructed with CSM (chlorosulfonated polyethylene) hose material, it offers excellent resistance to heat, oil, and abrasion, ensuring long-term durability under demanding driving conditions. The assembly measures 128.5 inches (3237 mm) in length, matching the original equipment dimensions for proper fitment. Both ends of the hose feature various fitting types to accommodate the vehicle’s power steering pump and rack connections. Additionally, the included bracket helps secure the hose assembly in place, reducing vibration and potential wear.
Common Applications and Problem Resolution
- Replacement for leaking or cracked power steering hoses on Nissan 370Z
- Addresses power steering fluid loss due to hose damage
- Eliminates steering noise caused by worn or loose hose fittings
- Prevents power steering system pressure drops from hose failure
- Restores proper fluid flow for consistent steering performance
Installation Notes and Tips
When installing the Sunsong 3403704 power steering hose assembly, ensure the bracket is properly aligned and secured to prevent hose movement. Verify that the various fittings on each end match the vehicle’s power steering pump and rack connections to avoid leaks. It is recommended to inspect the power steering fluid level and bleed the system after installation to remove any air pockets.
Quality Assurance and Warranty
Sunsong power steering hose assemblies are manufactured to meet or exceed OEM standards for fit, form, and function. The 3403704 part number undergoes rigorous quality control to ensure durability and performance. While specific warranty details are not provided, Sunsong products typically come with a limited warranty against defects in materials and workmanship.
| Brand | Sunsong |
| Part Number | 3403704 |
| Bracket (Y/N) | Y |
| End 1 Fitting Type | Various |
| End 2 Fitting Type | Various |
| Hose Material 1 | Csm |
| Length (in) | 128.5 |
| Length (mm) | 3237 |
| PS Switch Port (Y/N) | N |
| Tech Tip | Tt1000 |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2015 | Nissan | 370Z | N/A | OEM Type Pressure and Return Hose Assembly |
| 2014 | Nissan | 370Z | N/A | OEM Type Pressure and Return Hose Assembly |
* 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.