HomeSteering > Power Steering Hoses, Pumps, and Related ComponentsSunsong 3401034 Power Steering Pressure Line Hose Assembly
Part #: 3401034

Sunsong 3401034 Power Steering Pressure Line Hose Assembly

⚙️ 19 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, Buick, Cadillac, and Oldsmobile, Commercial Chassis, Roadmaster, Fleetwood, Caprice, Custom Cruiser, LeSabre, and Park Avenue
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Overview of Sunsong Power Steering Pressure Line Hose Assembly

The Sunsong 3401034 power steering pressure line hose assembly is designed for reliable hydraulic performance in select GM vehicles. Engineered to meet the specifications of Buick, Cadillac, Chevrolet, and Oldsmobile models, this hose assembly ensures proper fluid flow and pressure management in your power steering system.

  • Compatible with Buick Caprice, Chevrolet Commercial Chassis, and Oldsmobile Custom Cruiser
  • Length: 25.6 inches (650 mm) for precise fitment
  • End fittings: Male o-ring type, 16 mm and 18 mm sizes
  • Constructed with durable CSM hose material for heat and abrasion resistance
  • Includes power steering switch port for system monitoring
  • Part number 3401034 for accurate identification and replacement

Technical Specifications and Features

This power steering pressure line hose assembly features a 25.6-inch length, suitable for specific GM full-size and luxury vehicles such as the Cadillac Fleetwood and Buick LeSabre. Both ends utilize male o-ring fittings, with 16 mm on one end and 18 mm on the other, ensuring a secure and leak-free connection. The hose is made from chlorosulfonated polyethylene (CSM), a material known for its resistance to heat, oil, and abrasion, which contributes to the longevity and reliability of the power steering system.

Applications and Vehicle Compatibility

The Sunsong 3401034 is compatible with a range of GM vehicles, including:

  • Buick Caprice and LeSabre
  • Cadillac Fleetwood, Park Avenue, and Roadmaster
  • Chevrolet Commercial Chassis
  • Oldsmobile Custom Cruiser

This part is designed to replace the original power steering pressure line hose assembly in these models, maintaining proper hydraulic pressure and fluid flow.

Common Issues Addressed by This Hose Assembly

  • Leaking or cracked power steering pressure lines causing fluid loss
  • Reduced steering responsiveness due to pressure drops
  • Power steering pump damage from inadequate fluid delivery
  • Noise or whining from air entering the hydraulic system
  • Failure of the power steering switch port affecting system diagnostics

Installation Notes and Tips

When installing the Sunsong 3401034 power steering pressure line hose assembly, ensure the following:

  • Verify the hose length and fitting sizes (16 mm and 18 mm male o-ring) match your vehicle’s specifications
  • Inspect the power steering switch port connection for proper engagement
  • Use appropriate tools to avoid damaging fittings during installation
  • Bleed the power steering system after installation to remove air and ensure optimal performance
  • Refer to technical tips TT1000, TT1001, TT1004, and TT1008 for additional guidance

Quality Assurance and Warranty Information

Sunsong power steering components are manufactured to meet or exceed OEM standards for durability and performance. The 3401034 hose assembly undergoes rigorous quality control to ensure leak-free operation and resistance to wear. While specific warranty details may vary, Sunsong typically offers coverage against defects in materials and workmanship. Consult your supplier or product documentation for exact warranty terms.

BrandSunsong
Part Number3401034
End 1 Fitting Size (mm)16
End 1 Fitting TypeMale O-Ring
End 2 Fitting Size (mm)18
End 2 Fitting TypeMale O-Ring
Hose Material 1CSM
Length (in)25.6
Length (mm)650
PS Switch Port (Y/N)Y
Tech TipTT1000|TT1001|TT1004|TT1008

This part fits 19 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
1994ChevroletCommercial ChassisN/A
1993BuickRoadmasterN/A
1993CadillacFleetwoodN/A
1993ChevroletCapriceClassicN/A
1993ChevroletCapriceClassic LTZN/A
1993ChevroletCapriceClassic LSN/A
1993ChevroletCommercial ChassisN/A
1992BuickRoadmasterN/A
1992ChevroletCapriceClassicN/A
1992ChevroletCapriceClassic LTZN/A
1992ChevroletCapriceBaseN/A
1992ChevroletCommercial ChassisN/A
1992OldsmobileCustom CruiserBaseN/A
1991BuickLeSabreN/A
1991BuickPark AvenueN/A
1991BuickRoadmasterEstate WagonN/A
1991ChevroletCapriceN/A
1991ChevroletCommercial ChassisN/A
1991OldsmobileCustom CruiserBaseN/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:

260131592601316036-36020036020071792776979-1032

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