Sunsong 3401730 Power Steering Pressure Line Hose Assembly - From Pump or Pump To Hydroboost

Power Steering Pressure Line for Dodge and Plymouth

Sunsong 3401730 is a power steering pressure line hose assembly built for select Dodge B-Series and Plymouth PB-Series vans with pump-to-hydroboost or from-pump routing. It is engineered for direct-fit service on 1980-1984 applications and is built to handle demanding steering system pressure while supporting reliable fluid transfer.

Key Features

• Max working pressure of 1,500 psi with an 8,700 psi burst pressure rating
• Tensile strength rated at 1,600 lb for added durability
• High-grade steel tubing with zinc electroplating for corrosion resistance
• Precision-engineered hose assembly for exact fitment
• CSM hose material for steering system service
• End fittings: 16 mm female and 16 mm male O-ring
• Length: 33.8 in. (858 mm)

Detailed Description

This Sunsong power steering pressure line hose assembly is designed for select Dodge B100, B200, B300, B150, B250, and B350 vans, as well as Plymouth PB150, PB250, and PB350 models across the 1980-1984 range. Part number 3401730 is built to OE-style dimensions and pressure requirements, making it a direct replacement for worn or leaking steering pressure lines on vehicles with pump-to-hydroboost or from-pump routing. The hose assembly is manufactured with corrosion-resistant steel tubing and is pressure tested before it leaves the factory to support dependable operation in demanding underhood conditions.

This part cross-references Dayco 71135 and Gates 357000 for the same application.

What It Helps Repair

• Power steering fluid leaks at the pressure line
• Hard or inconsistent steering assist
• Pressure loss in the steering hydraulic circuit
• Corrosion-related hose or tube deterioration
• Noise caused by a failing or restricted pressure hose

Installation Notes and Fitment

• Fits 1980 Dodge B100, From Pump
• Fits 1980 Dodge B100, Pump To Hydroboost
• Fits 1980 Dodge B200, From Pump
• Fits 1980 Dodge B200, Pump To Hydroboost
• Fits 1980 Dodge B300, From Pump
• Fits 1980 Dodge B300, Pump To Hydroboost
• Fits 1981 Dodge B150, From Pump
• Fits 1981 Dodge B150, Pump To Hydroboost
• Fits 1981 Dodge B250, From Pump
• Fits 1981 Dodge B250, Pump To Hydroboost
• Fits 1981 Dodge B350, From Pump
• Fits 1981 Dodge B350, Pump To Hydroboost
• Fits 1981-1983 Plymouth PB150, From Pump
• Fits 1981-1983 Plymouth PB150, Pump To Hydroboost
• Fits 1981-1983 Plymouth PB250, From Pump
• Fits 1981-1983 Plymouth PB250, Pump To Hydroboost
• Fits 1981-1983 Plymouth PB350, From Pump
• Fits 1981-1983 Plymouth PB350, Pump To Hydroboost
• Fits 1982-1983 Dodge B150, From Pump; exclude hydroboost-equipped vehicles
• Fits 1982-1983 Dodge B250, From Pump; exclude hydroboost-equipped vehicles
• Fits 1982-1983 Dodge B350, From Pump; exclude hydroboost-equipped vehicles
• Fits 1982-1984 Dodge B150, Pump To Hydroboost; for vehicles with hydroboost systems
• Fits 1982-1984 Dodge B250, Pump To Hydroboost; for vehicles with hydroboost systems
• Fits 1982-1984 Dodge B350, Pump To Hydroboost; for vehicles with hydroboost systems
• Fits 1984 Dodge B150, From Pump; w/o hydroboost, to 12/17
• Fits 1984 Dodge B250, From Pump; w/o hydroboost, to 12/17
• Fits 1984 Dodge B350, From Pump; w/o hydroboost, to 12/17

Verify the routing, fitting style, and hydroboost configuration before installation. The listed end fittings are 16 mm female and 16 mm male O-ring, and the hose length is 33.8 in. for proper routing on the intended applications.

Quality Assurance

Each hose is pressure tested at the factory before shipment. Sunsong builds this assembly to exceed original equipment performance standards with corrosion-resistant materials and exact-fit engineering for dependable service on Dodge and Plymouth steering systems.