HomeSteering > Power Steering Hoses, Pumps, and Related ComponentsSunsong 3401643 Power Steering Pressure Line Hose Assembly
Part #: 3401643

Sunsong 3401643 Power Steering Pressure Line Hose Assembly

⚙️ 21 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and Pontiac, Bel Air, Biscayne, Brookwood, Kingswood, Townsman, Caprice, Impala, Laurentian, Parisienne, El Camino, and Strato-Chief
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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.

BrandSunsong
Part Number3401643
End 1 Fitting Size (in)5/8
End 1 Fitting TypeFemale
End 2 Fitting Size (in)11/16
End 2 Fitting TypeMale Inverted Flare
Hose Material 1CSM
Length (in)33.6
Length (mm)853
Tech TipTT1000|TT1001|TT1002

This part fits 21 vehicles. Search below:

YearMakeModelPositionNotes
1974ChevroletBel AirN/A
1973ChevroletBel AirN/A
1972ChevroletBel AirN/A
1971ChevroletBel AirN/A
1970ChevroletBel AirN/AMay require adapter
1970ChevroletBel AirN/A
1970ChevroletBel AirN/AMay Require Adapter
1970ChevroletCapriceN/AMay require adapter
1970ChevroletCapriceN/A
1970ChevroletCapriceN/AMay Require Adapter
1970ChevroletImpalaN/AMay require adapter
1970ChevroletImpalaN/A
1970ChevroletImpalaN/AMay Require Adapter
1970PontiacLaurentianN/AMay require adapter
1970PontiacParisienneN/AMay require adapter
1969ChevroletBel AirN/A
1969ChevroletCapriceN/A
1969ChevroletEl CaminoN/A
1969ChevroletImpalaN/A
1969PontiacLaurentianN/A
1969PontiacParisienneN/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:

35258036-3525803964563396876953756271057

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.