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Sunsong 3401846 Power Steering Pressure Line Hose Assembly
Power Steering Pressure Line Hose Assembly
Sunsong 3401846 is a power steering pressure line hose assembly built for direct replacement on select Buick and Jeep applications. It is engineered to handle high-pressure steering fluid flow while maintaining a precise fit for service on classic vehicles such as the Buick LeSabre, Buick Skylark, and Jeep Wagoneer.
Key Features
- Max working pressure of 1,500 psi for demanding steering system operation
- Burst pressure rating of 8,700 psi and tensile strength of 1,600 lb
- High-grade steel tubing with zinc electroplating for corrosion and rust resistance
- Precision-engineered hose assembly for exact fit and reliable routing
- 30.5 in. overall length with 5/8 in. female end and 11/16 in. male inverted flare end
- CSM hose material for durability in power steering service
Detailed Description
This Sunsong power steering pressure line hose assembly, part number 3401846, is built to restore pressure-side steering fluid transfer on compatible Buick and Jeep vehicles. It is listed for 1964-1969 Buick LeSabre, 1964-1969 Buick Skylark, 1968 Jeep Wagoneer, and 1969 Jeep Wagoneer without restrictor. The hose assembly uses high-grade steel tubing with zinc coating to resist corrosion from humidity, road salt, water, and grime, helping maintain long-term service life in underhood conditions.
The 3401846 hose is engineered to original fit dimensions and includes the specified end fittings for proper connection. Sunsong states that each hose is pressure tested before it leaves the factory, supporting consistent installation and operation. This part cross-references Gates 355340 for the same application.
Common Issues This Part Can Address
- Power steering fluid leaks from a worn or damaged pressure hose
- Loss of steering assist caused by pressure-side hose failure
- Cracked, corroded, or fatigued hose tubing
- Improper fit or routing from an incorrect replacement hose
- Noise or erratic steering performance related to pressure loss
Installation Notes and Tips
Verify end fitting sizes and hose routing before installation. This assembly uses a 5/8 in. female end and an 11/16 in. male inverted flare end, with a 30.5 in. length. Confirm vehicle application details, including the 1969 Jeep Wagoneer without restrictor note, before ordering and installation. Inspect mating components and sealing surfaces so the new hose can seat correctly and maintain system pressure.
Quality Assurance
Sunsong pressure hoses are manufactured to exceed original equipment performance standards, and each hose is high-pressure tested at the factory before shipment. The 3401846 is built for durable service and consistent operation in power steering systems.
| Brand | Sunsong |
|---|---|
| Part Number | 3401846 |
| End 1 Fitting Size (in) | 5/8 |
| End 1 Fitting Type | Female |
| End 2 Fitting Size (in) | 11/16 |
| End 2 Fitting Type | Male Inverted Flare |
| Hose Material 1 | CSM |
| Length (in) | 30.5 |
| Length (mm) | 774 |
| Tech Tip | TT1000 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 1969 | Buick | Skylark | N/A | ||
| 1969 | Jeep | Wagoneer | Base | N/A | w/o Restrictor |
| 1968 | Buick | Skylark | N/A | ||
| 1968 | Jeep | Wagoneer | Base | N/A | |
| 1967 | Buick | LeSabre | N/A | ||
| 1967 | Buick | Skylark | N/A | ||
| 1966 | Buick | LeSabre | N/A | ||
| 1966 | Buick | Skylark | N/A | ||
| 1965 | Buick | LeSabre | N/A | ||
| 1965 | Buick | Skylark | N/A | ||
| 1964 | Buick | LeSabre | Base | N/A | |
| 1964 | Buick | Skylark | 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.