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Sunsong 3401643 Power Steering Pressure Line Hose Assembly
Power Steering Pressure Line Hose Assembly Overview
The Sunsong 3401643 power steering pressure line hose assembly is designed for reliable hydraulic fluid transfer in select Chevrolet and Pontiac vehicles. This hose assembly ensures proper steering performance for models such as the Chevrolet Bel Air, Caprice, El Camino, and Impala, as well as the Pontiac Laurentian and Parisienne.
- Length: 33.6 inches (853 mm) for precise fitment
- End 1 fitting: 5/8 inch female connection
- End 2 fitting: 11/16 inch male inverted flare connection
- Constructed with durable CSM hose material for resistance to heat and pressure
- No bracket included, designed for direct installation
- Does not include a power steering switch port
Detailed Product Description
The Sunsong 3401643 power steering pressure line hose assembly is engineered to meet the specifications required by classic Chevrolet and Pontiac vehicles. Its 33.6-inch length and specific fitting sizes—5/8 inch female on one end and 11/16 inch male inverted flare on the other—allow for a secure and leak-free connection within the power steering system. The hose is made from chlorosulfonated polyethylene (CSM), a material known for its durability and resistance to hydraulic fluid degradation, heat, and abrasion. This assembly does not include a mounting bracket or a power steering switch port, simplifying installation in compatible models.
Compatible Vehicles and Applications
This power steering pressure line hose assembly is compatible with the following vehicles:
- Chevrolet Bel Air
- Chevrolet Caprice
- Chevrolet El Camino
- Chevrolet Impala
- Pontiac Laurentian
- Pontiac Parisienne
It is designed to replace worn or damaged pressure hoses in these models, restoring proper hydraulic pressure and steering response.
Common Issues Addressed by This Hose Assembly
- Leaking or cracked power steering pressure hoses
- Reduced steering responsiveness due to fluid loss
- Hose swelling or deterioration from heat exposure
- Unusual noises or whining from the power steering pump
- Fluid contamination caused by hose failure
Installation Notes and Tips
- Ensure the vehicle is safely supported and the steering system is depressurized before installation
- Verify the correct orientation of the 5/8 inch female and 11/16 inch male inverted flare fittings
- Inspect all connections for leaks after installation
- Use recommended power steering fluid compatible with your vehicle
- Refer to technical tips Tt1000, Tt1001, and Tt1002 for additional guidance
Quality Assurance and Warranty
Sunsong power steering components are manufactured to meet or exceed OEM standards for durability and performance. The 3401643 hose assembly undergoes rigorous quality control to ensure reliable operation under normal driving conditions. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Sunsong |
| Part Number | 3401643 |
| 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) | 33.6 |
| Length (mm) | 853 |
| Tech Tip | TT1000|TT1001|TT1002 |
This part fits 21 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1974 | Chevrolet | Bel Air | N/A | |
| 1973 | Chevrolet | Bel Air | N/A | |
| 1972 | Chevrolet | Bel Air | N/A | |
| 1971 | Chevrolet | Bel Air | N/A | |
| 1970 | Chevrolet | Bel Air | N/A | May require adapter |
| 1970 | Chevrolet | Bel Air | N/A | |
| 1970 | Chevrolet | Bel Air | N/A | May Require Adapter |
| 1970 | Chevrolet | Caprice | N/A | May require adapter |
| 1970 | Chevrolet | Caprice | N/A | |
| 1970 | Chevrolet | Caprice | N/A | May Require Adapter |
| 1970 | Chevrolet | Impala | N/A | May require adapter |
| 1970 | Chevrolet | Impala | N/A | |
| 1970 | Chevrolet | Impala | N/A | May Require Adapter |
| 1970 | Pontiac | Laurentian | N/A | May require adapter |
| 1970 | Pontiac | Parisienne | N/A | May require adapter |
| 1969 | Chevrolet | Bel Air | N/A | |
| 1969 | Chevrolet | Caprice | N/A | |
| 1969 | Chevrolet | El Camino | N/A | |
| 1969 | Chevrolet | Impala | N/A | |
| 1969 | Pontiac | Laurentian | N/A | |
| 1969 | Pontiac | Parisienne | 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.