HomeSteering > Power Steering Hoses, Pumps, and Related ComponentsSunsong 3403703 Power Steering Pressure Line Hose Assembly
Part #: 3403703

Sunsong 3403703 Power Steering Pressure Line Hose Assembly

14 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$69.43Free 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: Lincoln and Ford, MKX, MKZ, and Edge
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 3403703 power steering pressure line hose assembly is designed for reliable hydraulic fluid transfer in Ford and Lincoln vehicles. Specifically compatible with Ford Edge and Lincoln MKX and MKZ models, this hose assembly ensures proper steering system performance without a bracket or PS switch port.

  • Compatible with Ford Edge, Lincoln MKX, and MKZ models
  • Power steering pressure line hose assembly, part number 3403703
  • End 1 fitting: 16mm banjo type
  • End 2 fitting: 11mm captive o-ring type
  • Hose material: CSM (chlorosulfonated polyethylene) for durability
  • Length: 56.3 inches (1430 mm)
  • No bracket or power steering switch port included
  • Technical tip reference: TT1000

Detailed Product Description

The Sunsong 3403703 power steering pressure line hose assembly is engineered to meet the hydraulic requirements of select Ford and Lincoln vehicles. Constructed with CSM hose material, it offers resistance to heat, ozone, and wear, which is critical for maintaining fluid integrity under pressure. The hose measures 56.3 inches (1430 mm) in length, providing an exact fit for the steering system routing in Ford Edge, Lincoln MKX, and MKZ models.

This assembly features a 16mm banjo fitting on one end and an 11mm captive o-ring fitting on the other, ensuring secure connections to the power steering pump and steering gear. The absence of a bracket and power steering switch port simplifies installation and reduces potential failure points. The part number 3403703 corresponds directly to this specific configuration, making it a precise replacement for the original equipment.

Common Applications and Issues Addressed

  • Replacement of worn or leaking power steering pressure hoses
  • Resolving low steering assist or fluid pressure loss
  • Eliminating power steering fluid leaks causing steering noise or difficulty
  • Restoring proper hydraulic pressure for smooth steering response
  • Addressing hose damage from heat, abrasion, or aging

Installation Notes and Tips

  • Verify compatibility with Ford Edge, Lincoln MKX, or MKZ before installation
  • Ensure all fittings are clean and free of debris prior to assembly
  • Use the technical tip TT1000 as a reference for installation procedures
  • Check for proper torque on banjo and captive o-ring fittings to prevent leaks
  • Inspect surrounding components for wear or damage during replacement

Quality Assurance and Warranty

Sunsong power steering hoses are manufactured to meet or exceed OEM specifications for durability and performance. The 3403703 hose assembly undergoes rigorous quality control to ensure leak-free operation and long service life. While specific warranty details may vary, Sunsong products typically include a limited warranty against defects in materials and workmanship. Consult product documentation or supplier for exact warranty terms.

BrandSunsong
Part Number3403703
End 1 Fitting Size (mm)16
End 1 Fitting TypeBanjo
End 2 Fitting Size (mm)11
End 2 Fitting TypeCaptive O-Ring
Hose Material 1CSM
Length (in)56.3
Length (mm)1430
Tech TipTT1000

This part fits 14 vehicles. Search below:

YearMakeModelPositionNotes
2015LincolnMKXN/A
2015LincolnMKZN/A
2014FordEdgeN/A
2014LincolnMKXN/A
2014LincolnMKZN/A
2013FordEdgeN/A
2013LincolnMKXN/A
2013LincolnMKZN/A
2012FordEdgeN/A
2012LincolnMKXN/A
2012LincolnMKZN/A
2011FordEdgeN/A
2011LincolnMKXN/A
2011LincolnMKZN/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:

3662025541692759979-3300BT4Z3A719ABT4Z3A719BBT4Z3A719CBT4Z3A719D

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