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Sunsong 3401709 Power Steering Pressure Line Hose Assembly
Overview of Sunsong Power Steering Pressure Line Hose Assembly
The Sunsong 3401709 power steering pressure line hose assembly is designed specifically for Nissan 720 and D21 models. This durable hose assembly ensures reliable hydraulic fluid transfer within the power steering system, maintaining optimal steering performance.
- Compatible with Nissan 720 and D21 models
- Length: 77.3 inches (1963 mm) for precise fitment
- End 1 fitting: 5/8 inch female connection
- End 2 fitting: 14 mm male inverted flare
- Constructed with CSM hose material for durability
- No bracket included
- No power steering switch port
Detailed Product Description
The Sunsong 3401709 power steering pressure line hose assembly is engineered to meet the specifications required by Nissan 720 and D21 vehicles. Featuring a 77.3-inch length, this hose assembly provides the correct routing and connection between the power steering pump and steering gear. The hose is made from chlorosulfonated polyethylene (CSM), a material known for its resistance to heat, oil, and abrasion, which helps extend the service life of the component.
The assembly includes a 5/8 inch female fitting on one end and a 14 mm male inverted flare fitting on the other, ensuring a secure and leak-free connection. This hose does not include a bracket or a power steering switch port, which aligns with the original equipment design for the specified Nissan models. The part number 3401709 corresponds directly to this assembly, making it a precise replacement for maintaining proper steering system function.
Common Applications and Issues Addressed
- Replacement of worn or leaking power steering pressure hoses on Nissan 720 and D21
- 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 of the power steering system from hose failure
Installation Notes and Tips
- Verify compatibility with Nissan 720 or D21 before installation
- Ensure all fittings are clean and free of debris prior to assembly
- Use appropriate tools to avoid damaging fittings during installation
- Check for leaks after installation by running the engine and turning the steering wheel
- Follow vehicle manufacturer torque specifications for fittings
Quality Assurance and Warranty
Sunsong power steering hoses are manufactured to meet or exceed OEM standards for fit, form, and function. The 3401709 hose assembly undergoes rigorous testing to ensure durability and leak resistance under normal operating conditions. While specific warranty details may vary, Sunsong products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or supplier for exact warranty terms.
| Brand | Sunsong |
|---|---|
| Part Number | 3401709 |
| End 1 Fitting Size (in) | 5/8 |
| End 1 Fitting Type | Female |
| End 2 Fitting Size (mm) | 14 |
| End 2 Fitting Type | Male Inverted Flare |
| Hose Material 1 | CSM |
| Length (in) | 77.3 |
| Length (mm) | 1963 |
| Tech Tip | TT1000 |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Submodel | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|
| 1986 | Nissan | 720 | Deluxe | RWD | N/A | Early |
| 1986 | Nissan | 720 | Sport Truck | RWD | N/A | Early |
| 1986 | Nissan | 720 | Base | RWD | N/A | Early |
| 1986 | Nissan | D21 | RWD | N/A | Early | |
| 1985 | Nissan | 720 | Sport Truck | RWD | N/A | |
| 1985 | Nissan | 720 | Deluxe | RWD | N/A | |
| 1985 | Nissan | 720 | Base | RWD | N/A | |
| 1984 | Nissan | 720 | Deluxe | RWD | N/A | |
| 1984 | Nissan | 720 | Base | RWD | N/A | |
| 1984 | Nissan | 720 | Base | N/A | ||
| 1983 | Nissan | 720 | RWD | 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.