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Sunsong 3402431 Power Steering Pressure Line Hose Assembly
Overview of Sunsong Power Steering Pressure Line Hose Assembly
The Sunsong 3402431 power steering pressure line hose assembly is designed for reliable hydraulic performance in select Buick and Pontiac vehicles. Engineered to meet OEM specifications, this hose assembly ensures proper fluid flow and pressure for smooth steering operation in models like the Buick Allure, LaCrosse, and Pontiac Grand Prix.
- Compatible with Buick Allure, LaCrosse, and Pontiac Grand Prix
- Part number 3402431 for precise identification
- 58.8 inches (1493 mm) length for exact fitment
- End 1 fitting: 16 mm male o-ring
- End 2 fitting: 18 mm male o-ring
- Constructed with durable CSM hose material
- No bracket included
- No power steering switch port
Detailed Product Description and Specifications
This Sunsong power steering pressure line hose assembly (part number 3402431) is manufactured using high-quality chlorosulfonated polyethylene (CSM) hose material, known for its resistance to heat, oil, and abrasion. The hose measures 58.8 inches (1493 mm) in length, providing an exact replacement for the original equipment in compatible Buick and Pontiac models. Both ends feature male o-ring fittings, with the first end sized at 16 mm and the second at 18 mm, ensuring a secure and leak-free connection within the power steering system. This assembly does not include a bracket or a power steering switch port, aligning with the original design of the specified vehicles.
Applications and Common Issues Addressed
- Replacement for worn or leaking power steering pressure hoses in Buick Allure, LaCrosse, and Pontiac Grand Prix
- Resolves power steering fluid leaks that cause steering difficulty or noise
- Prevents loss of hydraulic pressure affecting steering responsiveness
- Eliminates hose swelling or cracking due to age or heat exposure
- Restores proper fluid flow to power steering pump and rack
Installation Notes and Technical Tips
When installing the Sunsong 3402431 power steering pressure line hose assembly, ensure all fittings are clean and free of debris to prevent leaks. The hose length and fitting sizes must match the original equipment to maintain system integrity. This assembly does not include a bracket, so reuse the existing mounting hardware. Follow the technical tip Tt1000 for proper torque specifications and hose routing to avoid kinks or interference with other engine components.
Quality Assurance and Warranty Information
Sunsong power steering hoses are manufactured to meet or exceed OEM standards for durability and performance. The 3402431 hose assembly undergoes rigorous quality control to ensure resistance to pressure, heat, and chemical exposure typical in power steering systems. While specific warranty details may vary, Sunsong products generally include a limited warranty against defects in materials and workmanship under normal use.
| Brand | Sunsong |
| Part Number | 3402431 |
| End 1 Fitting Size (mm) | 16 |
| End 1 Fitting Type | Male O-Ring |
| End 2 Fitting Size (mm) | 18 |
| End 2 Fitting Type | Male O-Ring |
| Hose Material 1 | CSM |
| Length (in) | 58.8 |
| Length (mm) | 1493 |
| Tech Tip | TT1000 |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2009 | Buick | Allure | N/A | ||
| 2009 | Buick | LaCrosse | Super | N/A | |
| 2008 | Buick | Allure | N/A | ||
| 2008 | Buick | LaCrosse | Super | N/A | |
| 2008 | Pontiac | Grand Prix | N/A | ||
| 2007 | Pontiac | Grand Prix | N/A | ||
| 2006 | Pontiac | Grand Prix | N/A | ||
| 2005 | Pontiac | Grand Prix | 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.