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Sunsong 3401841 Power Steering Pressure Line Hose Assembly
Power Steering Pressure Hose for Buick Park Avenue
Sunsong 3401841 is a power steering pressure line hose assembly built for 2001-2005 Buick Park Avenue models with Magnetic Variable Assist. It is engineered to meet demanding pressure requirements and restore proper steering fluid transfer in the power steering system.
Key Features
- Fits 2001-2005 Buick Park Avenue, N/A, with Magnetic Variable Assist
- Male O-ring fittings: 16 mm end 1 and 18 mm end 2
- 42.5 in. hose length for the specified application
- CSM hose material for fluid-handling durability
- High-grade steel tubing with zinc electroplating for corrosion resistance
- Pressure tested before leaving the factory
- Cross-references Dayco 80257 for the same application
Detailed Description
This Sunsong pressure hose assembly, part number 3401841, is built for Buick Park Avenue steering systems that use Magnetic Variable Assist. The hose is precision engineered for exact fitment and is manufactured to exceed original equipment performance standards with a 1,500 psi maximum working pressure, 8,700 psi burst pressure rating, and 1,600 lb tensile strength. The steel tubing is zinc plated to help resist rust and corrosion from humidity, road salt, water, and grime. Sunsong 3401841 is a direct-fit pressure line solution for restoring steering fluid flow in the 2001-2005 Buick Park Avenue.
What This Hose Helps Address
- Steering fluid leaks from a worn or damaged pressure line
- Loss of steering assist caused by hose deterioration
- Corrosion-related failure in the pressure hose assembly
- Improper fit from a previous replacement hose
- Pressure loss in the power steering circuit
Installation Notes and Tips
Verify the vehicle is a 2001-2005 Buick Park Avenue with Magnetic Variable Assist before ordering. Match the 16 mm and 18 mm male O-ring ends to the existing system connections and confirm hose routing against the original part. Inspect adjacent steering components, seals, and fluid condition during replacement to help ensure proper operation after installation.
Quality Assurance
Each hose is high-pressure tested at the factory before shipment to confirm performance and help support trouble-free installation and operation. The assembly is engineered to restore wearable parts to original condition where applicable and to provide a precise OE-style fit for the specified application.
| Brand | Sunsong |
|---|---|
| Part Number | 3401841 |
| 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) | 42.5 |
| Length (mm) | 1079 |
| Tech Tip | TT1000|TT1001 |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2005 | Buick | Park Avenue | N/A | w/ Magnetic Variable Assist |
| 2004 | Buick | Park Avenue | N/A | w/ Magnetic Variable Assist |
| 2003 | Buick | Park Avenue | N/A | w/ Magnetic Variable Assist |
| 2002 | Buick | Park Avenue | N/A | w/ Magnetic Variable Assist |
| 2001 | Buick | Park Avenue | N/A | w/ Magnetic Variable Assist |
* 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.