Sunsong 3402804 Power Steering Return Line Hose Assembly - From Gear
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Sunsong

Sunsong 3402804 Power Steering Return Line Hose Assembly - From Gear

Brand Sunsong 3402804
Position From Gear
Bracket (Y/N) N
End 1 Fitting Size (in) 3/8
End 1 Fitting Type Id hose
End 2 Fitting Size (mm) 16
End 2 Fitting Type Male inverted flare
Hose Material 1 Csm
Length (in) 39
Length (mm) 990
PS Switch Port (Y/N) N
Tech Tip Tt1000
Fits Ford, Lincoln, and Mercury · 73 vehicles

Exact-fit engineering. Precision-built to restore original-condition performance.

Zinc-coated steel tubing. Helps resist corrosion and rust from humidity, salt, water, and grime.

High-pressure rated. Suitable for low-pressure, high-temperature operation up to 250 psi.

Cross-references Dorman - HELP 80114, Gates 353420 and Karlyn 5164 for the same application. See all 11.

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Not what you need? See all Power Steering Return Line Hose Assembly options

Power Steering Return Hose for Classic Ford and Lincoln

Sunsong 3402804 is a power steering return line hose assembly built for low-pressure, high-temperature return-side service. It is engineered for exact fit on select Ford, Lincoln, and Mercury applications, including classic LTD, Continental, Marquis, Marauder, and Colony Park models.

With a 39-inch hose length, 3/8-inch ID hose end, and 16 mm male inverted flare end, this return hose is made for direct replacement on vehicles that require a cut-to-fit steering return line from the gear. Sunsong 3402804 is a practical choice when restoring steering response and replacing a worn or leaking return hose.

Key Features

  • Power steering return line hose assembly for low-pressure return-side use
  • 39 in. length for cut-to-fit installation where specified
  • 3/8 in. ID hose end and 16 mm male inverted flare connection
  • CSM hose material for steering fluid service
  • Built to exceed original equipment performance standards with a 250 psi maximum working pressure
  • High-grade steel tubing with zinc electroplating for corrosion and rust resistance
  • Fits select Ford LTD, Lincoln Continental, Mercury Colony Park, Mercury Marquis, and Mercury Marauder applications

Detailed Description

This Sunsong power steering return line hose assembly is made for classic steering systems that route fluid back from the gear to the reservoir or cooler. Part number 3402804 is engineered for exact fit on listed applications and is suited for vehicles such as the 1968-1971 Ford LTD, 1970-1971 Lincoln Continental, and 1968-1971 Mercury Marquis. It also cross-references Dorman - HELP 80114 for the same application.

The hose assembly uses high-grade steel tubing with zinc coating to help resist corrosion from humidity, road salt, water, and grime. The return hose is specified for low-pressure, high-temperature operation and is built with the dimensions needed for steering return line service on classic Ford, Lincoln, and Mercury platforms.

Common Problems This Part Can Address

  • Power steering fluid leaks at the return line
  • Cracked, hardened, or deteriorated steering hose material
  • Corrosion on the original return line tubing
  • Poor steering fluid return caused by a restricted or damaged hose
  • Fitment issues when replacing a cut-to-fit steering return hose on classic Ford and Lincoln vehicles

Installation Notes and Tips

  • Verify the vehicle application and routing before trimming the hose to length.
  • Confirm the end connections match the 3/8 in. ID hose and 16 mm male inverted flare configuration.
  • Inspect the steering gear, cooler, and adjoining lines for wear before installation.
  • Use the listed fitment notes for vehicles that require cut-to-fit installation, including Ford LTD, Lincoln Continental, Mercury Colony Park, Mercury Marquis, and Mercury Marauder applications.
  • Follow the vehicle-specific routing path to avoid contact with heat sources and moving components.

Quality Assurance

Sunsong manufactures this return hose assembly to meet or exceed original equipment performance standards for steering return service. The zinc-coated steel tubing is specified to improve resistance to rust and corrosion in demanding underhood and underbody conditions.

Related reading

This part fits 73 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1972FordCustomN/APower Steering Return Line Hose Assembly with Adjustable Length Option
1972FordCustom 500N/APower Steering Return Line Hose Assembly with Adjustable Length Option
1972FordGalaxie 500N/APower Steering Return Line Hose Assembly with Adjustable Length Option
1972LincolnContinentalFrom GearFrom 5/15; Cut to fit
1972LincolnMark IVFrom GearFrom 5/15; Cut to fit
1971FordCountry SedanFrom GearFitment note: With cooler, cut-to-fit.
1971FordCountry SquireFrom GearFitment note: With cooler, cut-to-fit.
1971FordCustomFrom GearFitment note: With cooler, cut-to-fit.
1971FordCustomN/APower Steering Return Line Hose Assembly with Adjustable Length Option
1971FordCustom 500From GearFitment note: With cooler, cut-to-fit.
1971FordCustom 500N/APower Steering Return Line Hose Assembly with Adjustable Length Option
1971FordGalaxie 500From GearFitment note: With cooler, cut-to-fit.
1971FordGalaxie 500N/APower Steering Return Line Hose Assembly with Adjustable Length Option
1971FordLTDFrom GearFitment note: With cooler, cut-to-fit.
1971FordRanch WagonFrom GearFitment note: With cooler, cut-to-fit.
1971LincolnContinentalN/APower Steering Return Line Hose Assembly with Adjustable Length Option
1971LincolnMark IIIN/APower Steering Return Line Hose Assembly with Adjustable Length Option
1971MercuryColony ParkFrom GearFitment note: With cooler, cut-to-fit.
1971MercuryMarquisFrom GearFitment note: With cooler, cut-to-fit.
1971MercuryMontereyFrom GearFitment note: With cooler, cut-to-fit.
1970FordCountry SedanFrom GearFitment note: With cooler, cut-to-fit.
1970FordCountry SedanN/APower Steering Return Line Hose Assembly with Adjustable Length Option
1970FordCountry SquireFrom GearFitment note: With cooler, cut-to-fit.
1970FordCustomFrom GearFitment note: With cooler, cut-to-fit.
1970FordCustomN/APower Steering Return Line Hose Assembly with Adjustable Length Option
1970FordCustom 500From GearFitment note: With cooler, cut-to-fit.
1970FordCustom 500N/APower Steering Return Line Hose Assembly with Adjustable Length Option
1970FordGalaxie 500From GearFitment note: With cooler, cut-to-fit.
1970FordGalaxie 500N/APower Steering Return Line Hose Assembly with Adjustable Length Option
1970FordLTDFrom GearFitment note: With cooler, cut-to-fit.
1970FordRanch WagonFrom GearFitment note: With cooler, cut-to-fit.
1970FordRanch WagonN/APower Steering Return Line Hose Assembly with Adjustable Length Option
1970LincolnContinentalN/APower Steering Return Line Hose Assembly with Adjustable Length Option
1970LincolnMark IIIN/APower Steering Return Line Hose Assembly with Adjustable Length Option
1970MercuryColony ParkFrom GearFitment note: With cooler, cut-to-fit.
1970MercuryMarauderFrom GearFitment note: With cooler, cut-to-fit.
1970MercuryMarquisFrom GearFitment note: With cooler, cut-to-fit.
1970MercuryMontereyFrom GearFitment note: With cooler, cut-to-fit.
1969FordCountry SedanN/Aw/ Ford Steering Gear; Cut to fit
1969FordCountry SedanN/APower Steering Return Line Hose Assembly with Adjustable Length Option
1969FordCountry SquireFrom GearFitment note: With cooler, cut-to-fit.
1969FordCustomFrom GearFitment note: With cooler, cut-to-fit.
1969FordCustomN/APower Steering Return Line Hose Assembly with Adjustable Length Option
1969FordCustom 500From GearFitment note: With cooler, cut-to-fit.
1969FordCustom 500N/APower Steering Return Line Hose Assembly with Adjustable Length Option
1969FordGalaxie 500N/Aw/ Ford Steering Gear; Cut to fit
1969FordGalaxie 500N/APower Steering Return Line Hose Assembly with Adjustable Length Option
1969FordLTDFrom GearFitment note: With cooler, cut-to-fit.
1969FordRanch WagonFrom GearFitment note: With cooler, cut-to-fit.
1969FordRanch WagonN/APower Steering Return Line Hose Assembly with Adjustable Length Option
1969MercuryColony ParkFrom GearFitment note: With cooler, cut-to-fit.
1969MercuryMarauderFrom GearFitment note: With cooler, cut-to-fit.
1969MercuryMarquisFrom GearFitment note: With cooler, cut-to-fit.
1969MercuryMontereyN/Aw/ Ford Steering Gear; Cut to fit
1968FordCountry SedanFrom GearFitment note: With cooler, cut-to-fit.
1968FordCountry SedanN/APower Steering Return Line Hose Assembly with Adjustable Length Option
1968FordCountry SquireFrom GearFitment note: With cooler, cut-to-fit.
1968FordCountry SquireN/APower Steering Return Line Hose Assembly with Adjustable Length Option
1968FordCustomFrom GearFitment note: With cooler, cut-to-fit.
1968FordCustomN/APower Steering Return Line Hose Assembly with Adjustable Length Option
1968FordCustom 500From GearFitment note: With cooler, cut-to-fit.
1968FordCustom 500N/APower Steering Return Line Hose Assembly with Adjustable Length Option
1968FordGalaxie 500From GearFitment note: With cooler, cut-to-fit.
1968FordGalaxie 500N/APower Steering Return Line Hose Assembly with Adjustable Length Option
1968FordLTDFrom GearFitment note: With cooler, cut-to-fit.
1968FordRanch WagonFrom GearFitment note: With cooler, cut-to-fit.
1968FordRanch WagonN/APower Steering Return Line Hose Assembly with Adjustable Length Option
1968MercuryColony ParkN/Aw/ Ford Steering Gear; Cut to fit
1968MercuryCommuterN/Aw/ Ford Steering Gear; Cut to fit
1968MercuryMarquisFrom GearFitment note: With cooler, cut-to-fit.
1968MercuryMontclairN/Aw/ Ford Steering Gear; Cut to fit
1968MercuryMontereyN/Aw/ Ford Steering Gear; Cut to fit
1968MercuryPark LaneN/Aw/ Ford Steering Gear; Cut to fit
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - HELP — 80114Gates — 353420Karlyn — 516436-353420C8AZ3A713AC8AZ3A713BC9AZ3A713AD0AZ3A713AD0AZ3A713BD1VY3A713AD1VZ3A713A