HomeSteering > Power Steering Hoses, Pumps, and Related ComponentsSunsong 3401749 Power Steering Pressure Line Hose Assembly - Hydroboost To Gear
Part #: 3401749

Sunsong 3401749 Power Steering Pressure Line Hose Assembly - Hydroboost To Gear

Hydroboost To Gear
9 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Lincoln, Ford, and Mercury, Continental, Mark V, LTD, Grand Marquis, and Marquis
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Overview of Sunsong Power Steering Pressure Line Hose Assembly

The Sunsong 3401749 power steering pressure line hose assembly is designed for reliable hydraulic fluid transfer in select Ford, Lincoln, and Mercury vehicles. This hose assembly ensures proper steering system performance for models such as the Continental, Grand Marquis, LTD, and Marquis.

  • Length: 35.8 inches (909 mm) for precise fitment
  • End 1 fitting: 5/8 inch male inverted flare
  • End 2 fitting: 1/2 inch male o-ring
  • Hose material: CSM (chlorosulfonated polyethylene) for durability
  • No bracket included
  • No power steering switch port

Detailed Product Description

The Sunsong 3401749 power steering pressure line hose assembly is engineered with CSM hose material, known for its resistance to heat, oil, and abrasion, making it suitable for the demanding environment of power steering systems. The hose measures 35.8 inches in length, providing an exact replacement for the original equipment in compatible Ford, Lincoln, and Mercury vehicles. The assembly features a 5/8 inch male inverted flare fitting on one end and a 1/2 inch male o-ring fitting on the other, ensuring secure and leak-free connections within the steering system. This hose assembly does not include a bracket or a power steering switch port, aligning with the original design specifications for the listed vehicle models.

Compatible Vehicles and Applications

This power steering pressure line hose assembly is compatible with the following makes and models:

  • Ford Continental
  • Lincoln Continental
  • Mercury Grand Marquis
  • Ford LTD
  • Mercury Marquis

It is specifically designed to replace worn or damaged pressure line hoses in these vehicles, maintaining proper hydraulic pressure and steering responsiveness.

Common Issues Addressed by This Hose Assembly

  • Leaking power steering fluid due to cracked or worn hoses
  • Reduced steering responsiveness caused by pressure loss
  • Noise or whining from the power steering pump due to fluid leaks
  • Potential steering system failure from compromised hose integrity
  • Preventing contamination of the power steering system from external debris

Installation Notes and Tips

  • Ensure the vehicle is safely lifted and supported before beginning installation
  • Relieve power steering system pressure prior to hose removal
  • Verify the correct orientation of the 5/8 inch male inverted flare and 1/2 inch male o-ring fittings
  • Inspect all connections for leaks after installation
  • Use recommended power steering fluid to refill the system and bleed air properly

Quality Assurance and Warranty

Sunsong power steering components are manufactured to meet or exceed OEM specifications for durability and performance. The 3401749 hose assembly undergoes rigorous quality control to ensure reliable operation in compatible Ford, Lincoln, and Mercury vehicles. While specific warranty details may vary, Sunsong typically offers coverage against defects in materials and workmanship. Consult product documentation or the supplier for exact warranty terms.

BrandSunsong
Part Number3401749
End 1 Fitting Size (in)5/8
End 1 Fitting TypeMale Inverted Flare
End 2 Fitting Size (in)1/2
End 2 Fitting TypeMale O-Ring
Hose Material 1CSM
Length (in)35.8
Length (mm)909
Tech TipTT1000|TT1001

This part fits 9 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
1979LincolnContinentalHydroboost To GearFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1978FordLTDHydroboost To Gearw/ Hydroboost, w/o Skid Control
1978LincolnContinentalBaseHydroboost To GearFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1978MercuryGrand MarquisHydroboost To Gearw/ Hydroboost, w/o Skid Control
1978MercuryMarquisHydroboost To Gearw/ Hydroboost, w/o Skid Control
1977FordLTDHydroboost To Gearw/ Hydroboost, w/o Skid Control
1977LincolnContinentalBaseHydroboost To GearFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1977MercuryGrand MarquisHydroboost To Gearw/ Hydroboost, w/o Skid Control
1977MercuryMarquisHydroboost To Gearw/ Hydroboost, w/o Skid Control

* 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:

35425036-35425039671023979-1124D7AZ3A719DD7LC3F524AAD7LY3A719CD7VC3F524AAD7VY3A719D

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