OE Quality
60-Day Returns

Sunsong 3401787 Power Steering Pressure Line Hose Assembly
Power Steering Pressure Line Hose Assembly for Nissan 300ZX
The Sunsong 3401787 power steering pressure line hose assembly is designed specifically for Nissan 300ZX models. Engineered to meet OEM specifications, this hose assembly ensures reliable hydraulic fluid transfer within the power steering system.
- Compatible with Nissan 300ZX power steering systems
- End 1 fitting: 16mm banjo type for secure connection
- End 2 fitting: 14mm male o-ring for leak-free sealing
- Constructed with durable CSM hose material for heat and abrasion resistance
- Overall length of 60.6 inches (1539 mm) for precise fitment
- No bracket included, designed for direct replacement
- Does not include a power steering switch port
Detailed Product Description
The Sunsong 3401787 power steering pressure line hose assembly is manufactured with high-quality chlorosulfonated polyethylene (CSM) hose material, known for its excellent resistance to heat, oil, and abrasion. This ensures long-lasting performance under demanding driving conditions. The hose features a 16mm banjo fitting on one end and a 14mm male o-ring fitting on the other, providing a secure and leak-resistant connection to the power steering pump and steering gear. With a length of 60.6 inches (1539 mm), this assembly is tailored to fit the Nissan 300ZX without modification. The absence of a bracket and power steering switch port simplifies installation and replacement.
Common Applications and Issues Addressed
- Replacement of worn or leaking power steering pressure hoses on Nissan 300ZX
- Resolving power steering fluid leaks that cause steering difficulty
- Eliminating hose swelling or cracking due to age or heat exposure
- Restoring proper hydraulic pressure for smooth steering response
- Preventing contamination and damage to the power steering pump
Installation Notes and Tips
- Ensure the vehicle is safely lifted and supported before beginning installation
- Drain power steering fluid to avoid spills during hose removal
- Verify the correct orientation of the banjo and male o-ring fittings
- Use new sealing washers on the banjo fitting to prevent leaks
- Follow torque specifications for fittings to avoid damage
- Consult technical tips TT1000 and TT1001 for additional guidance
Quality Assurance and Warranty
Sunsong power steering components are manufactured to meet or exceed OEM standards for durability and performance. The 3401787 hose assembly undergoes rigorous quality control to ensure proper fit and function. While specific warranty details may vary, Sunsong products typically include coverage against defects in materials and workmanship. Refer to the product documentation for exact warranty terms.
| Brand | Sunsong |
|---|---|
| Part Number | 3401787 |
| End 1 Fitting Size (mm) | 16 |
| End 1 Fitting Type | Banjo |
| End 2 Fitting Size (mm) | 14 |
| End 2 Fitting Type | Male O-Ring |
| Hose Material 1 | CSM |
| Length (in) | 60.6 |
| Length (mm) | 1539 |
| Tech Tip | TT1000|TT1001 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 1989 | Nissan | 300ZX | Turbo | N/A | |
| 1988 | Nissan | 300ZX | N/A | ||
| 1987 | Nissan | 300ZX | N/A | ||
| 1986 | Nissan | 300ZX | N/A | ||
| 1985 | Nissan | 300ZX | N/A | ||
| 1984 | Nissan | 300ZX | 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.