HomeSteering > Power Steering Hoses, Pumps, and Related ComponentsSunsong 3402988 Power Steering Return Line Hose Assembly - Gear To Pipe
Part #: 3402988

Sunsong 3402988 Power Steering Return Line Hose Assembly - Gear To Pipe

Gear To Pipe
⚙️ 7 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: Toyota, Sienna
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Overview of Sunsong Power Steering Return Line Hose Assembly

The Sunsong 3402988 power steering return line hose assembly is designed specifically for Toyota Sienna models. This hose assembly ensures reliable fluid return in the power steering system, maintaining smooth steering performance and system integrity.

  • Compatible with Toyota Sienna power steering systems
  • End 1 fitting: 3/8 inch ID hose
  • End 2 fitting: 3/8 inch beaded tube
  • Hose material: CSM (Chlorosulfonated Polyethylene) for durability
  • Overall length: 29.7 inches (755 mm)
  • Tech Tip: Tt1000 for installation guidance

Detailed Product Description

The Sunsong 3402988 power steering return line hose assembly is engineered with a 3/8 inch ID hose fitting on one end and a 3/8 inch beaded tube fitting on the other, providing a secure and leak-resistant connection within the power steering system. Constructed from CSM material, this hose offers resistance to heat, ozone, and hydraulic fluids, which is essential for maintaining performance under demanding conditions. Measuring 29.7 inches (755 mm) in length, it is tailored to fit the routing requirements of the Toyota Sienna's power steering return line.

Applications and Problem Resolution

This power steering return line hose assembly is used to return hydraulic fluid from the steering gear back to the power steering pump reservoir. It addresses several common issues including:

  • Leaking or cracked return hoses causing fluid loss
  • Reduced steering responsiveness due to fluid flow restrictions
  • Swollen or deteriorated hoses from heat and chemical exposure
  • Noise or whining from air entering the power steering system
  • Preventing contamination and maintaining system pressure

Installation Notes and Tips

When installing the Sunsong 3402988 hose assembly on a Toyota Sienna, ensure the following:

  • Verify the hose length and fitting types match the vehicle’s specifications
  • Use the Tech Tip Tt1000 for proper routing and securing of the hose
  • Inspect all connections for tightness to prevent leaks
  • Replace any worn clamps or seals during installation
  • Bleed the power steering system after installation to remove air

Quality Assurance and Warranty

Sunsong power steering components are manufactured to meet or exceed OEM standards for fit, form, and function. The 3402988 return line hose assembly undergoes rigorous quality control to ensure durability and reliability in Toyota Sienna vehicles. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandSunsong
Part Number3402988
End 1 Fitting Size (in)3/8
End 1 Fitting TypeID Hose
End 2 Fitting Size (in)3/8
End 2 Fitting TypeBeaded tube
Hose Material 1CSM
Length (in)29.7
Length (mm)755
Tech TipTT1000

This part fits 7 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2010ToyotaSiennaAWDGear To Pipe
2009ToyotaSiennaAWDGear To Pipe
2008ToyotaSiennaAWDGear To Pipe
2007ToyotaSiennaAWDGear To Pipe
2006ToyotaSiennaAWDGear To Pipe
2005ToyotaSiennaAWDGear To Pipe
2004ToyotaSiennaAWDGear To Pipe

* 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:

340298836662944410080525555593147PSH0541

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