HomeSteering > Power Steering Hoses, Pumps, and Related ComponentsSunsong 3403750 Power Steering Return Line Hose Assembly
Part #: 3403750

Sunsong 3403750 Power Steering Return Line Hose Assembly

7 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mini, Cooper
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Overview of Sunsong Power Steering Return Line Hose Assembly

The Sunsong 3403750 power steering return line hose assembly is designed specifically for Mini Cooper models. This hose assembly ensures reliable fluid return in the power steering system, maintaining optimal steering performance and vehicle safety.

  • Compatible with Mini Cooper power steering systems
  • End 1 fitting: 16mm banjo type
  • End 2 fitting: 16mm ID hose type
  • Durable NBR (nitrile butadiene rubber) hose material
  • Length: 26.4 inches (670 mm)
  • Technical tip reference: TT1000

Detailed Product Description and Specifications

The Sunsong 3403750 power steering return line hose assembly features a 16mm banjo fitting on one end and a 16mm ID hose fitting on the other, providing a secure and leak-resistant connection within the power steering system of Mini Cooper vehicles. Constructed from nitrile butadiene rubber (NBR), the hose material offers resistance to heat, oil, and wear, which is essential for maintaining fluid integrity and system reliability. With a length of 26.4 inches (670 mm), this hose assembly fits precisely within the designated routing for Mini Cooper power steering return lines, ensuring proper fluid flow and pressure balance.

Common Applications and Problem Resolution

  • Replacement for worn or cracked power steering return hoses on Mini Cooper models
  • Addresses fluid leaks caused by damaged or degraded hose material
  • Prevents loss of power steering fluid pressure and steering responsiveness
  • Eliminates noise or vibration related to faulty return line connections
  • Restores proper fluid circulation in the power steering system

Installation Notes and Technical Tips

When installing the Sunsong 3403750 hose assembly, ensure the 16mm banjo fitting is securely fastened to the corresponding power steering pump or rack port. The 16mm ID hose end should be properly seated and clamped to prevent leaks. Refer to technical tip TT1000 for detailed installation guidance and torque specifications. It is recommended to inspect adjacent components for wear or damage during replacement to maintain overall system integrity.

Quality Assurance and Warranty Information

Sunsong power steering components are manufactured to meet or exceed OEM standards for durability and performance. The 3403750 hose assembly undergoes rigorous quality control to ensure compatibility and reliability in Mini Cooper vehicles. Warranty coverage details should be confirmed with the product documentation or supplier, typically covering defects in material and workmanship under normal use conditions.

BrandSunsong
Part Number3403750
End 1 Fitting Size (mm)16
End 1 Fitting TypeBanjo
End 2 Fitting Size (mm)16
End 2 Fitting TypeID Hose
Hose Material 1NBR
Length (in)26.4
Length (mm)670
Tech TipTT1000

This part fits 7 vehicles. Search below:

YearMakeModelPositionNotes
2008MiniCooperN/Aw/ Hydraulic Steering
2007MiniCooperN/Aw/ Hydraulic Steering
2006MiniCooperN/Aw/ Hydraulic Steering
2005MiniCooperN/Aw/ Hydraulic Steering
2004MiniCooperN/Aw/ Hydraulic Steering
2003MiniCooperN/Aw/ Hydraulic Steering
2002MiniCooperN/Aw/ Hydraulic Steering

* 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:

32416754459324167817443403750352863582481227PSH0139

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