OE Quality
60-Day Returns

Sunsong 3402813 Power Steering Pressure Line Hose Assembly
Overview of Sunsong Power Steering Pressure Line Hose Assembly
The Sunsong 3402813 power steering pressure line hose assembly is designed specifically for Toyota 4Runner models. Engineered to meet OEM specifications, this hose assembly ensures reliable hydraulic fluid transfer within the power steering system.
- Compatible with Toyota 4Runner power steering systems
- Length: 64.5 inches (1638 mm) for precise fitment
- End 1 fitting: 16 mm banjo type
- End 2 fitting: 16 mm male inverted flare
- Constructed with durable CSM hose material
- Includes power steering switch port for system integration
- No bracket included
Detailed Product Description
The Sunsong 3402813 power steering pressure line hose assembly is built with high-quality chlorosulfonated polyethylene (CSM) hose material, providing resistance to heat, pressure, and hydraulic fluid degradation. The assembly measures 64.5 inches (1638 mm) in length, ensuring proper routing and fitment within the Toyota 4Runner power steering system. It features a 16 mm banjo fitting on one end and a 16 mm male inverted flare fitting on the other, facilitating secure connections to the pump and steering gear. Additionally, this hose assembly includes a power steering switch port, allowing for integration with the vehicle’s power steering pressure sensor system. This part number 3402813 is engineered to maintain hydraulic pressure and fluid flow, contributing to consistent steering performance.
Common Applications and Problem Resolution
- Replacement for leaking or cracked power steering pressure hoses on Toyota 4Runner
- Addresses low power steering fluid pressure causing steering difficulty
- Resolves fluid contamination issues due to hose deterioration
- Eliminates noise or whining from faulty pressure line connections
- Prevents power steering pump damage from inadequate fluid flow
Installation Notes and Technical Tips
When installing the Sunsong 3402813 hose assembly, ensure all fittings are clean and free of debris before connection. Use appropriate torque specifications for the 16 mm banjo and male inverted flare fittings to avoid leaks. The included power steering switch port should be connected according to the vehicle’s wiring diagram. Refer to technical tips TT1000 and TT1001 for additional guidance on installation and system bleeding procedures. No bracket is included with this assembly, so verify existing mounting points on the Toyota 4Runner.
Quality Assurance and Warranty Information
Sunsong power steering hoses are manufactured to meet or exceed OEM standards for durability and performance. The 3402813 hose assembly undergoes rigorous quality control to ensure resistance to pressure, heat, and fluid compatibility. While specific warranty terms may vary, Sunsong typically offers coverage against manufacturing defects. Consult product documentation or authorized distributors for detailed warranty information.
| Brand | Sunsong |
| Part Number | 3402813 |
| End 1 Fitting Size (mm) | 16 |
| End 1 Fitting Type | Banjo |
| End 2 Fitting Size (mm) | 16 |
| End 2 Fitting Type | Male Inverted Flare |
| Hose Material 1 | CSM |
| Length (in) | 64.5 |
| Length (mm) | 1638 |
| PS Switch Port (Y/N) | Y |
| Tech Tip | TT1000|TT1001 |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2002 | Toyota | 4Runner | N/A | |
| 2001 | Toyota | 4Runner | N/A | |
| 2000 | Toyota | 4Runner | N/A | |
| 1999 | Toyota | 4Runner | N/A | |
| 1998 | Toyota | 4Runner | 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.