Sunsong 3402345 Power Steering Pressure Line Hose Assembly
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Sunsong

Sunsong 3402345 Power Steering Pressure Line Hose Assembly

Brand Sunsong 3402345
End 1 Fitting Size (mm) 16
End 1 Fitting Type Male O-Ring
End 2 Fitting Size (mm) 16
End 2 Fitting Type Swivel O-Ring
Hose Material 1 CSM
Length (in) 72.8
Length (mm) 1849
Tech Tip TT1000
Fits Cadillac · 2 vehicles

Exact-fit assembly. Precision engineered for a direct replacement and trouble-free installation.

Zinc-coated steel tubing. Helps resist corrosion and rust from humidity, road salt, water, and grime.

Pressure-tested construction. Built to exceed OE performance standards with strong burst and tensile ratings.

Cross-references Edelmann 92273, Four Seasons 55191 and Gates 365664 for the same application. See all 6.

$57.86Free shipping
In stock · usually ships same day before 1pm CST
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Not what you need? See all Power Steering Pressure Line Hose Assembly options

Power Steering Pressure Line for CTS

This Sunsong power steering pressure line hose assembly is built for 2003-2004 Cadillac CTS applications and is engineered to restore steering system pressure delivery. Part number 3402345 is made to match the original routing and connection style for a direct-fit replacement.

Key Features

  • Fits 2003-2004 Cadillac CTS, N/A
  • Male O-ring to swivel O-ring end connections, both 16 mm
  • 72.8 in. (1849 mm) hose length
  • CSM hose material for steering system service
  • Rated for 1,500 psi maximum working pressure
  • 8,700 psi burst pressure rating and 1,600 lb tensile strength
  • High-grade steel tubing with zinc electroplating for corrosion resistance
  • High-pressure tested before leaving the factory

Detailed Description

Sunsong 3402345 is a power steering pressure line hose assembly for the Cadillac CTS that replaces the pressure-side hose between steering components. It is precision engineered for exact fit and built with steel tubing protected by zinc coating to resist rust from humidity, road salt, water, and grime. This part cross-references Gates 365664 for the same application.

Common Problems This Part Can Help Solve

  • Power steering fluid leaks from a worn or damaged pressure hose
  • Loss of steering assist caused by pressure-line failure
  • Noise or stiffness in the steering system from restricted fluid flow
  • Corrosion-related hose deterioration on the Cadillac CTS
  • Fitment issues from an incorrect replacement hose

Installation Notes and Tips

Verify the end fittings, hose length, and routing against the original line before installation. This assembly uses a 16 mm male O-ring end and a 16 mm swivel O-ring end, so matching the connection style is important for proper sealing. Confirm the vehicle application as 2003-2004 Cadillac CTS, N/A, and inspect related steering components for wear before completing the repair.

Quality Assurance

Each Sunsong pressure hose is high-pressure tested before shipment to help ensure dependable installation and operation. The hose assembly is built to exceed original equipment performance standards for pressure, burst strength, and tensile load.

Related reading

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2004CadillacCTSBaseN/A—
2003CadillacCTS—N/A—
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Edelmann — 92273Four Seasons — 55191Gates — 365664979-50838895543689060185