HomeSteering > Power Steering Hoses, Pumps, and Related ComponentsSunsong 3402557 Power Steering Pressure Line Hose Assembly
Part #: 3402557

Sunsong 3402557 Power Steering Pressure Line Hose Assembly

13 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$39.05Free 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: Ford and Lincoln, F-150, F-350 Super Duty, and Mark LT
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 3402557 power steering pressure line hose assembly is designed for reliable hydraulic performance in Ford and Lincoln trucks. This hose assembly is engineered to meet the specific requirements of Ford F-150, F-350 Super Duty, and Lincoln Mark LT models, ensuring proper fit and function.

  • Compatible with Ford F-150, F-350 Super Duty, and Lincoln Mark LT
  • Part number 3402557 for precise identification
  • 58 inches (1473 mm) in length for exact fitment
  • End 1 fitting: 14 mm captive o-ring
  • End 2 fitting: 16 mm swivel o-ring
  • Constructed with durable CSM hose material
  • No bracket included
  • No power steering switch port

Technical Details and Specifications

The Sunsong 3402557 power steering pressure line hose assembly features a 58-inch length, providing the necessary reach for installation in compatible Ford and Lincoln trucks. The hose is made from CSM (chlorosulfonated polyethylene) material, known for its resistance to heat, oil, and abrasion, which is critical for power steering system durability. The assembly includes a 14 mm captive o-ring fitting on one end and a 16 mm swivel o-ring fitting on the other, allowing for secure connections and flexibility during installation. This hose does not include a bracket or a power steering switch port, simplifying the design and focusing on core pressure line functionality.

Applications and Problem Solving

This power steering pressure line hose assembly is used to transfer hydraulic fluid under pressure from the power steering pump to the steering gear. It is essential for maintaining steering responsiveness and control in the following vehicles:

  • Ford F-150
  • Ford F-350 Super Duty
  • Lincoln Mark LT

Common issues this part addresses include:

  • Leaking or cracked power steering pressure hoses
  • Loss of hydraulic pressure causing steering difficulty
  • Damaged or worn fittings leading to fluid leaks
  • Hose deterioration from heat and abrasion

Installation Notes and Tips

When installing the Sunsong 3402557 power steering pressure line hose assembly, ensure the following:

  • Verify compatibility with your specific Ford or Lincoln model and year
  • Inspect fittings for proper seating and o-ring condition
  • Use the correct torque specifications to avoid overtightening
  • Check for any signs of wear or damage on adjacent components
  • Bleed the power steering system after installation to remove air

Quality Assurance and Warranty

Sunsong power steering components are manufactured to meet or exceed OEM standards for durability and performance. The 3402557 hose assembly undergoes rigorous testing to ensure leak-free operation and resistance to environmental factors. While specific warranty details may vary, Sunsong typically offers coverage against defects in materials and workmanship. Refer to the product documentation for exact warranty terms.

BrandSunsong
Part Number3402557
End 1 Fitting Size (mm)14
End 1 Fitting TypeCaptive O-Ring
End 2 Fitting Size (mm)16
End 2 Fitting TypeSwivel O-Ring
Hose Material 1CSM
Length (in)58
Length (mm)1473
Tech TipTT1000

This part fits 13 vehicles. Search below:

YearMakeModelPositionNotes
2008FordF-150N/Aw/o Switch Port, w/o Bracket
2008FordF-350 Super DutyN/Aw/o Switch Port, w/o Bracket
2008LincolnMark LTN/Aw/o Switch Port, w/o Bracket
2007FordF-150N/Aw/o Switch Port, w/o Bracket
2007FordF-350 Super DutyN/Aw/o Switch Port, w/o Bracket
2007LincolnMark LTN/Aw/o Switch Port, w/o Bracket
2006FordF-150N/Aw/o Switch Port, w/o Bracket
2006FordF-350 Super DutyN/Aw/o Switch Port, w/o Bracket
2006LincolnMark LTN/Aw/o Switch Port, w/o Bracket
2005FordF-150N/Aw/o Switch Port, w/o Bracket
2005FordF-350 Super DutyN/Aw/o Switch Port, w/o Bracket
2004FordF-150N/Aw/o Switch Port, w/o Bracket
2004FordF-350 Super DutyN/Aw/o Switch Port, w/o Bracket

* 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:

3659155500492501

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