HomeSteering > Power Steering Hoses, Pumps, and Related ComponentsSunsong 3402431 Power Steering Pressure Line Hose Assembly
Part #: 3402431

Sunsong 3402431 Power Steering Pressure Line Hose Assembly

⚙️ 8 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick and Pontiac, Allure, LaCrosse, and Grand Prix
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Overview of Sunsong Power Steering Pressure Line Hose Assembly

The Sunsong 3402431 power steering pressure line hose assembly is designed for reliable hydraulic performance in select Buick and Pontiac vehicles. Engineered to meet OEM specifications, this hose assembly ensures proper fluid flow and pressure for smooth steering operation in models like the Buick Allure, LaCrosse, and Pontiac Grand Prix.

  • Compatible with Buick Allure, LaCrosse, and Pontiac Grand Prix
  • Part number 3402431 for precise identification
  • 58.8 inches (1493 mm) length for exact fitment
  • End 1 fitting: 16 mm male o-ring
  • End 2 fitting: 18 mm male o-ring
  • Constructed with durable CSM hose material
  • No bracket included
  • No power steering switch port

Detailed Product Description and Specifications

This Sunsong power steering pressure line hose assembly (part number 3402431) is manufactured using high-quality chlorosulfonated polyethylene (CSM) hose material, known for its resistance to heat, oil, and abrasion. The hose measures 58.8 inches (1493 mm) in length, providing an exact replacement for the original equipment in compatible Buick and Pontiac models. Both ends feature male o-ring fittings, with the first end sized at 16 mm and the second at 18 mm, ensuring a secure and leak-free connection within the power steering system. This assembly does not include a bracket or a power steering switch port, aligning with the original design of the specified vehicles.

Applications and Common Issues Addressed

  • Replacement for worn or leaking power steering pressure hoses in Buick Allure, LaCrosse, and Pontiac Grand Prix
  • Resolves power steering fluid leaks that cause steering difficulty or noise
  • Prevents loss of hydraulic pressure affecting steering responsiveness
  • Eliminates hose swelling or cracking due to age or heat exposure
  • Restores proper fluid flow to power steering pump and rack

Installation Notes and Technical Tips

When installing the Sunsong 3402431 power steering pressure line hose assembly, ensure all fittings are clean and free of debris to prevent leaks. The hose length and fitting sizes must match the original equipment to maintain system integrity. This assembly does not include a bracket, so reuse the existing mounting hardware. Follow the technical tip Tt1000 for proper torque specifications and hose routing to avoid kinks or interference with other engine components.

Quality Assurance and Warranty Information

Sunsong power steering hoses are manufactured to meet or exceed OEM standards for durability and performance. The 3402431 hose assembly undergoes rigorous quality control to ensure resistance to pressure, heat, and chemical exposure typical in power steering systems. While specific warranty details may vary, Sunsong products generally include a limited warranty against defects in materials and workmanship under normal use.

BrandSunsong
Part Number3402431
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)58.8
Length (mm)1493
Tech TipTT1000

This part fits 8 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2009BuickAllureN/A
2009BuickLaCrosseSuperN/A
2008BuickAllureN/A
2008BuickLaCrosseSuperN/A
2008PontiacGrand PrixN/A
2007PontiacGrand PrixN/A
2006PontiacGrand PrixN/A
2005PontiacGrand PrixN/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:

152910183656735519492281

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