HomeSteering > Power Steering Hoses, Pumps, and Related ComponentsSunsong 3402999 Power Steering Return Line Hose Assembly
Part #: 3402999

Sunsong 3402999 Power Steering Return Line Hose Assembly

⚙️ 5 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, Tundra
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Overview of Sunsong Power Steering Return Line Hose Assembly

The Sunsong 3402999 power steering return line hose assembly is designed specifically for Toyota Tundra models. Engineered to meet OEM specifications, this hose assembly ensures reliable fluid return flow within the power steering system.

  • Compatible with Toyota Tundra power steering systems
  • Length: 68.3 inches (1728 mm) for precise fitment
  • End 1 fitting: 3/8 inch ID hose connection
  • End 2 fitting: 17 mm male o-ring type
  • Constructed with durable CSM hose material for resistance to heat and wear
  • Part number 3402999 for accurate identification and replacement

Detailed Product Description and Specifications

This power steering return line hose assembly from Sunsong features a 68.3-inch length, providing the correct routing and fit for Toyota Tundra vehicles. The hose is made from chlorosulfonated polyethylene (CSM), a material known for its excellent resistance to heat, oil, and abrasion, which is critical for maintaining system integrity under demanding conditions.

The assembly includes a 3/8 inch inner diameter hose fitting on one end, designed as an ID hose connection, and a 17 mm male o-ring fitting on the other end. These fittings ensure a secure, leak-free connection within the power steering system. The part number 3402999 corresponds to this specific configuration, making it easier to source the correct replacement hose for your Toyota Tundra.

Common Applications and Problem Resolution

  • Replaces worn or cracked power steering return line hoses on Toyota Tundra
  • Addresses fluid leaks caused by damaged or deteriorated hose assemblies
  • Prevents power steering fluid loss that can lead to steering performance issues
  • Helps eliminate noise or vibration related to faulty return line hoses
  • Restores proper fluid flow for consistent power steering operation

Installation Notes and Technical Tips

When installing the Sunsong 3402999 power steering return line hose assembly, ensure all fittings are clean and free of debris before connection. The hose length of 68.3 inches allows for proper routing without kinks or excessive tension. The ID hose fitting (3/8 inch) and male o-ring fitting (17 mm) must be securely seated to prevent leaks. Refer to technical tip TT1000 for additional installation guidance specific to this hose assembly.

Quality Assurance and Warranty Information

Sunsong power steering hoses are manufactured to meet or exceed OEM standards for durability and performance. The use of CSM hose material provides resistance to heat and chemical exposure, contributing to long service life. Part number 3402999 undergoes quality control inspections to ensure fitment accuracy and leak-free operation. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandSunsong
Part Number3402999
End 1 Fitting Size (in)3/8
End 1 Fitting TypeID Hose
End 2 Fitting Size (mm)17
End 2 Fitting TypeMale O-Ring
Hose Material 1CSM
Length (in)68.3
Length (mm)1728
Tech TipTT1000

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
2004ToyotaTundraN/A
2003ToyotaTundraN/A
2002ToyotaTundraN/A
2001ToyotaTundraN/A
2000ToyotaTundraN/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:

3402999366151444100C011re5537692713

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