HomeSteering > Power Steering Hoses, Pumps, and Related ComponentsSunsong 3402979 Power Steering Return Line Hose Assembly - From Gear
Part #: 3402979

Sunsong 3402979 Power Steering Return Line Hose Assembly - From Gear

From Gear
6 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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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Scion, tC
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Power Steering Return Line Hose Assembly Overview

The Sunsong 3402979 power steering return line hose assembly is designed specifically for Scion tC models. This durable component ensures reliable fluid return in the power steering system, maintaining smooth steering performance and system integrity.

  • Compatible with Scion tC power steering systems
  • Length: 38.6 inches (981 mm) for precise fitment
  • End 1 fitting: 3/8 inch bubble flare
  • End 2 fitting: 17 mm male
  • Constructed with steel hose material for durability

Detailed Product Description

The Sunsong power steering return line hose assembly (part number 3402979) features a steel hose construction that provides strength and resistance to wear under high-pressure conditions. The hose measures 38.6 inches (981 mm) in length, ensuring proper routing and fitment within the Scion tC power steering system. The assembly includes a 3/8 inch bubble flare fitting on one end and a 17 mm male fitting on the other, designed to match factory specifications for a secure and leak-free connection.

Common Applications and Problem Resolution

This power steering return line hose assembly is used to return 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
  • Noise or whining from air entering the system
  • Wear and corrosion of original return line components

Installation Notes and Tips

  • Ensure the vehicle is safely lifted and supported before installation
  • Drain power steering fluid to prevent spills during hose replacement
  • Verify fitting sizes: 3/8 inch bubble flare and 17 mm male to match existing connections
  • Inspect surrounding components for wear or damage during installation
  • Refill and bleed the power steering system after installation to remove air

Quality Assurance and Warranty

Sunsong power steering hoses are manufactured to meet or exceed OEM standards for fit, form, and function. The 3402979 return line hose assembly undergoes rigorous quality control to ensure durability and leak-free performance. While specific warranty details may vary, Sunsong products typically include a limited warranty against defects in materials and workmanship.

BrandSunsong
Part Number3402979
End 1 Fitting Size (in)3/8
End 1 Fitting TypeBubble Flare
End 2 Fitting Size (mm)17
End 2 Fitting TypeMale
Hose Material 1Steel
Length (in)38.6
Length (mm)981
Tech TipTT1000|TT1001

This part fits 6 vehicles. Search below:

YearMakeModelPositionNotes
2010SciontCFrom Gear
2009SciontCFrom Gear
2008SciontCFrom Gear
2007SciontCFrom Gear
2006SciontCFrom Gear
2005SciontCFrom Gear

* 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:

340297936556144410210605517992180

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