HomeSteering > Power Steering Hoses, Pumps, and Related ComponentsSunsong 3403734 Power Steering Return Line Hose Assembly - Cooler To Reservoir
Part #: 3403734

Sunsong 3403734 Power Steering Return Line Hose Assembly - Cooler To Reservoir

Cooler To Reservoir
7 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Subaru, Tribeca and B9 Tribeca
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Overview of Sunsong Power Steering Return Line Hose Assembly

The Sunsong 3403734 power steering return line hose assembly is designed specifically for Subaru B9 Tribeca and Tribeca models. This hose assembly ensures reliable fluid return in the power steering system, maintaining smooth steering performance.

  • Compatible with Subaru B9 Tribeca and Tribeca models
  • Part number 3403734 for precise identification
  • 13.4 inches (340 mm) in length for exact fitment
  • 3/8 inch inner diameter hose fittings on both ends
  • Constructed with durable CSM hose material for resistance to heat and wear

Detailed Product Description

The Sunsong 3403734 power steering return line hose assembly features 3/8 inch inner diameter hose fittings on both ends, designed as ID hoses to connect seamlessly within the power steering system. Measuring 13.4 inches (340 mm) in length, this hose assembly is engineered to fit the Subaru B9 Tribeca and Tribeca models accurately. The hose material is CSM (chlorosulfonated polyethylene), known for its durability and resistance to heat, oil, and abrasion, which helps maintain system integrity under demanding conditions. This part is essential for returning power steering fluid from the steering gear back to the reservoir, ensuring consistent hydraulic pressure and steering response.

Common Applications and Issues Addressed

  • Replacement of worn or cracked power steering return hoses
  • Resolving fluid leaks in the power steering return line
  • Eliminating steering noise caused by air entering the system
  • Preventing power steering fluid contamination and pressure loss
  • Maintaining proper hydraulic fluid flow for smooth steering operation

Installation Notes and Tips

When installing the Sunsong 3403734 power steering return line hose assembly, ensure the vehicle is safely lifted and the power steering system is depressurized. Verify the hose length and fitting sizes match the original equipment. Use appropriate clamps and fittings to secure the hose ends, avoiding twisting or kinking the hose during installation. The Tech Tip TT1000 can be referenced for additional guidance on installation procedures and torque specifications.

Quality Assurance and Warranty Information

Sunsong power steering components are manufactured to meet or exceed OEM specifications for fit, form, and function. The 3403734 hose assembly undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Sunsong typically offers coverage against defects in material and workmanship. Consult product documentation or the supplier for exact warranty terms.

BrandSunsong
Part Number3403734
End 1 Fitting Size (in)3/8
End 1 Fitting TypeID Hose
End 2 Fitting Size (in)3/8
End 2 Fitting TypeID Hose
Hose Material 1CSM
Length (in)13.4
Length (mm)340
Tech TipTT1000

This part fits 7 vehicles. Search below:

YearMakeModelPositionNotes
2012SubaruTribecaCooler To Reservoir
2011SubaruTribecaCooler To Reservoir
2010SubaruTribecaCooler To Reservoir
2009SubaruTribecaCooler To Reservoir
2008SubaruTribecaCooler To Reservoir
2007SubaruB9 TribecaCooler To Reservoir
2006SubaruB9 TribecaCooler To Reservoir

* 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:

340373434611XA01A34611XA06081649

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