Sunsong 3404346 Power Steering Pressure Line Hose Assembly

Name: Sunsong 3404346 Power Steering Pressure Line Hose Assembly
Brand: Sunsong
SKU: FTTD-3404346
Price: 53.33 USD
Availability: InStock

2 vehicles fit this part

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OE Direct Replacement — Bolt-on fit, no modifications needed

Fitment: Hummer, H2

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Not what you need? See all Power Steering Pressure Line Hose Assembly options

Power Steering Pressure Line for Hummer H2

Sunsong 3404346 is a power steering pressure line hose assembly built for 2008-2009 Hummer H2 applications. It is engineered to meet demanding steering-system pressure requirements while maintaining an exact-fit layout for straightforward replacement.

Fits 2008-2009 Hummer H2
Power steering pressure line hose assembly
End 1 fitting: 16 mm male O-ring
End 2 fitting: 18 mm male O-ring
38.5 in. (977 mm) hose length
CSM hose material for steering-fluid service
Cross-reference: Dorman - HELP 80875
Cross-reference: Gates 352473

Built for Steering Pressure

This Sunsong pressure hose is designed for the hydraulic demands of the power steering system and is rated for a 1,500 psi maximum working pressure, 8,700 psi burst pressure, and 1,600 lb tensile strength. The hose assembly uses high-grade steel tubing with zinc electroplating to improve resistance to corrosion from humidity, road salt, water, and grime. For 2008-2009 Hummer H2 service, part number 3404346 provides a direct replacement format with male O-ring ends sized to match the application.

Common Replacement Reasons

Steering fluid leaks at the pressure hose
Cracked, hardened, or swollen hose material
Corrosion on steel tubing or fittings
Loss of steering assist from pressure-line failure
Noise or inconsistent steering response caused by hose deterioration

Installation Notes

Verify the 16 mm and 18 mm male O-ring end sizes before installation and compare the 38.5 in. hose length to the original routing on the vehicle. Inspect mating surfaces, seals, and nearby steering components for wear or contamination before connecting the new hose. Confirm the line follows the factory path on the Hummer H2 to avoid contact with heat sources or moving parts.

Quality Assurance

Each hose is pressure-tested before it leaves the factory to confirm proper operation and installation readiness. Sunsong 3404346 is manufactured to exceed original equipment performance standards for pressure-line service on the Hummer H2.

Brand	Sunsong
Part Number	3404346
Bracket (Y/N)	N
End 1 Fitting Size (mm)	16
End 1 Fitting Type	Male o-ring
End 2 Fitting Size (mm)	18
End 2 Fitting Type	Male o-ring
Hose Material 1	Csm
Length (in)	38.5
Length (mm)	977
PS Switch Port (Y/N)	N
Tech Tip	Tt1000

This part fits 2 vehicles. Search below:

Year	Make	Model	Position	Notes
2009	Hummer	H2	N/A
2008	Hummer	H2	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:

352473547380875

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