HomeSteering > Power Steering Hoses, Pumps, and Related ComponentsSunsong 3404129 Power Steering Pressure Line Hose Assembly
Part #: 3404129

Sunsong 3404129 Power Steering Pressure Line Hose Assembly

⚙️ 29 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$107.72Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ 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: BMW, 128i, 228i, 323i, 325i, 328i, 328i xDrive, and 330i
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Sunsong Power Steering Pressure Line Hose Assembly

The Sunsong 3404129 power steering pressure line hose assembly is designed for select BMW models, including the 128i, 228i, 323i, 325i, 328i, 328i xDrive, and 330i. This hose assembly ensures reliable fluid transfer within the power steering system, maintaining optimal steering performance.

  • Compatible with BMW 128i, 228i, 323i, 325i, 328i, 328i xDrive, and 330i models
  • Part number 3404129 for precise identification
  • 61 inches (1549 mm) in length for proper fitment
  • Constructed with durable CSM hose material
  • Banjo fitting type on both ends with 14 mm and 16 mm sizes
  • No bracket or power steering switch port included

Detailed Product Description

The Sunsong 3404129 power steering pressure line hose assembly is engineered with high-quality chlorosulfonated polyethylene (CSM) material, providing resistance to heat, pressure, and fluid degradation. Measuring 61 inches (1549 mm) in length, this hose assembly features banjo fittings on both ends—14 mm on one end and 16 mm on the other—to ensure a secure and leak-free connection within the power steering system. The absence of a bracket simplifies installation in compatible BMW models, while the design excludes a power steering switch port, focusing solely on fluid transfer efficiency.

Applications and Common Issues Addressed

  • Replacement for worn or leaking power steering pressure hoses in BMW 128i, 228i, 323i, 325i, 328i, 328i xDrive, and 330i
  • Resolves power steering fluid leaks that cause steering difficulty or noise
  • Prevents pressure loss in the power steering system for consistent steering response
  • Addresses hose degradation due to heat and chemical exposure
  • Eliminates potential contamination from cracked or damaged hoses

Installation Notes and Tips

When installing the Sunsong 3404129 hose assembly, ensure the banjo fittings are properly aligned and torqued to manufacturer specifications to prevent leaks. The hose length of 61 inches (1549 mm) is designed for direct replacement in compatible BMW models without modification. Since this assembly does not include a bracket or power steering switch port, verify existing mounting points and switch connections before installation.

Quality Assurance and Warranty

Sunsong manufactures this power steering pressure line hose assembly to meet or exceed OEM standards for durability and performance. The use of CSM hose material ensures resistance to common automotive fluids and environmental factors. While specific warranty details are not provided, Sunsong products typically undergo rigorous quality control to support reliable operation in BMW vehicles.

BrandSunsong
Part Number3404129
Bracket (Y/N)N
End 1 Fitting Size (mm)14
End 1 Fitting TypeBanjo
End 2 Fitting Size (mm)16
End 2 Fitting TypeBanjo
Hose Material 1Csm
Length (in)61
Length (mm)1549
PS Switch Port (Y/N)N
Tech TipTt1000

This part fits 29 vehicles. Search below:

YearMakeModelPositionNotes
2014BMW228iN/AExc. Active Steering
2013BMW128iN/AExc. Active Steering
2013BMW328iN/AExc. Active Steering
2012BMW128iN/AExc. Active Steering
2012BMW325iN/AExc. Active Stg., w/ LH Drive
2012BMW328iN/AExc. Active Steering
2011BMW128iN/AExc. Active Steering
2011BMW323iN/AExc. Active Stg.
2011BMW325iN/AExc. Active Stg., w/ LH Drive
2011BMW328iN/AExc. Active Steering
2010BMW128iN/AExc. Active Steering
2010BMW323iN/AExc. Active Stg.
2010BMW325iN/AExc. Active Stg., w/ LH Drive
2010BMW328iN/AExc. Active Steering
2009BMW128iN/AExc. Active Steering
2009BMW323iN/AExc. Active Stg.
2009BMW325iN/AExc. Active Stg.
2009BMW328iN/AExc. Active Steering
2009BMW328i xDriveN/AExc. Active Steering
2008BMW128iN/AExc. Active Steering
2008BMW323iN/AExc. Active Stg.
2008BMW325iN/AExc. Active Stg.
2008BMW328iN/AExc. Active Steering
2007BMW323iN/AExc. Active Stg.
2007BMW325iN/AExc. Active Stg.
2007BMW328iN/AExc. Active Steering
2006BMW323iN/AExc. Active Stg.
2006BMW325iN/AExc. Active Steering (Hose is manufactured with built-in Silencer for noise elimination)
2006BMW330iN/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:

324167713893241677663932416784331352414542080822PSH0168

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