Sunsong 3403117 Power Steering Return Line Hose Assembly
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Sunsong

Sunsong 3403117 Power Steering Return Line Hose Assembly

Brand Sunsong 3403117
End 1 Fitting Size (in) 3/8
End 1 Fitting Type Id hose
End 2 Fitting Size (mm) 16
End 2 Fitting Type Male o-ring
Hose Material 1 Csm
Length (in) 35
Length (mm) 889
Tech Tip Tt1000
Fits Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac · 72 vehicles

Exact-fit assembly. Precision engineered to restore worn components to original condition.

Corrosion-resistant tubing. Zinc-coated steel helps resist rust from humidity, salt, water, and grime.

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

Cross-references Dayco 80442, Gates 363910 and Hastings Piston Rings 652 for the same application. See all 3.

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Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Power Steering Return Line Hose Assembly options

Power Steering Return Hose for Select GM Vehicles

This Sunsong power steering return line hose assembly is built for select Chevrolet, Pontiac, Cadillac, Buick, Oldsmobile, and GMC applications from 1980-1990. Part number 3403117 is engineered for low-pressure return-side service and is a direct-fit style replacement for vehicles that require an exact-length or cut-to-fit hose configuration.

Key Features

  • Power steering return line hose assembly for low-pressure, high-temperature operation
  • Max working pressure rated at 250 psi
  • 35 in. hose length for fitment-specific routing
  • 3/8 in. ID hose end and 16 mm male O-ring end
  • CSM hose material for durability in steering return applications
  • High-grade steel tubing with zinc electroplating for corrosion and rust resistance
  • Fits applications such as Chevrolet Caprice, Camaro, Impala, Monte Carlo, and Pontiac Firebird

Detailed Description

Sunsong 3403117 is a power steering return line hose assembly made for vehicles that need a precise steering return connection without compromising routing or sealing. It is suitable for Chevrolet Caprice, Chevrolet Camaro, Pontiac Firebird, Cadillac Eldorado, Cadillac DeVille, Buick Regal, and other listed applications, including models that require cut-to-fit installation or adjustable-length routing. The assembly uses a 3/8 in. ID hose end, a 16 mm male O-ring end, and a 35 in. overall length to match the original vehicle layout. This part cross-references Dayco 80442 and Gates 363910 for the same application.

Common Uses

  • Replacing a leaking or cracked power steering return hose
  • Restoring steering fluid return flow on Chevrolet Caprice and Impala applications
  • Addressing hose deterioration from heat, road salt, and grime
  • Repairing steering return line issues on Pontiac Firebird and Camaro models
  • Replacing corroded tubing on Cadillac and Buick steering systems

Installation Notes and Tips

  • Verify end styles and routing before installation: 3/8 in. ID hose end and 16 mm male O-ring end
  • Some listed vehicles require cut-to-fit installation or adjustable-length routing
  • Check for clearance around AC components, hydroboost equipment, and cooler-equipped systems where noted
  • Inspect brackets, grommets, heat shields, bushings, and sleeves on the vehicle and replace worn related parts as needed
  • Follow the vehicle service procedure for proper hose routing and leak checking after installation

Quality Assurance

Sunsong manufactures this return hose assembly to exceed original equipment performance standards for return-side steering service. The steel tubing is zinc electroplated to improve resistance to corrosion and rust in harsh driving environments, including high humidity, water, road salt, and grime. Part number 3403117 is built for exact-fit applications and restored steering system reliability.

Related reading

This part fits 72 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeFuel TypeNotes
1990ChevroletCaprice——Power Steering Return Line Hose Assembly with Adjustable Length Option
1986ChevroletCamaro——Cut to Fit, w/o Cooler
1986PontiacFirebird——w/ AC, Cut to Fit
1986PontiacFirebird——Power Steering Return Line Hose Assembly with Adjustable Length Option
1985CadillacEldorado——Power Steering Return Line Hose Assembly with Adjustable Length Option
1985CadillacFleetwoodSedan——
1985CadillacFleetwoodCoupe——
1985CadillacSeville——Power Steering Return Line Hose Assembly with Adjustable Length Option
1985ChevroletCamaro——Cut to Fit, w/o Cooler
1985PontiacFirebird——w/ AC, Cut to Fit
1984CadillacCommercial Chassis——Power Steering Return Line Hose Assembly with Adjustable Length Option
1984CadillacDeVille——Power Steering Return Line Hose Assembly with Adjustable Length Option
1984CadillacEldorado——Power Steering Return Line Hose Assembly with Adjustable Length Option
1984CadillacFleetwood——Power Steering Return Line Hose Assembly with Adjustable Length Option
1984CadillacFleetwoodSedan——
1984CadillacFleetwoodCoupe——
1984CadillacSeville——Power Steering Return Line Hose Assembly with Adjustable Length Option
1984ChevroletCamaro——Cut to Fit, w/o Cooler
1984ChevroletCaprice——Power Steering Return Line Hose Assembly with Adjustable Length Option
1984ChevroletImpala——w/ Hydroboost, Cut to Fit
1984ChevroletMonte Carlo——Power Steering Return Line Hose Assembly with Adjustable Length Option
1984ChevroletS10——w/ AC, Cut to Fit
1984ChevroletS10 Blazer——w/ AC, Cut to Fit
1984GMCS15—DIESELw/ AC; Cut to Fit
1984GMCS15——w/ AC; Cut to Fit
1984GMCS15 Jimmy——w/ AC; Cut to Fit
1984PontiacFirebird——w/ AC, Cut to Fit
1983CadillacCommercial Chassis——Power Steering Return Line Hose Assembly with Adjustable Length Option
1983CadillacDeVille——Power Steering Return Line Hose Assembly with Adjustable Length Option
1983CadillacEldorado——Power Steering Return Line Hose Assembly with Adjustable Length Option
1983CadillacFleetwood——Power Steering Return Line Hose Assembly with Adjustable Length Option
1983CadillacFleetwoodSedan——
1983CadillacFleetwoodCoupe——
1983CadillacSeville——Power Steering Return Line Hose Assembly with Adjustable Length Option
1983ChevroletCamaro——Cut to Fit, w/o Cooler
1983ChevroletImpala——Power Steering Return Line Hose Assembly with Adjustable Length Option
1983ChevroletS10——w/ AC, Cut to Fit
1983ChevroletS10 Blazer——w/ AC, Cut to Fit
1983GMCS15——w/ AC; Cut to Fit
1983GMCS15 Jimmy——w/ AC; Cut to Fit
1983PontiacFirebird——w/ AC, Cut to Fit
1982CadillacCommercial Chassis——Power Steering Return Line Hose Assembly with Adjustable Length Option
1982CadillacDeVille——Power Steering Return Line Hose Assembly with Adjustable Length Option
1982CadillacEldorado——Power Steering Return Line Hose Assembly with Adjustable Length Option
1982CadillacFleetwood——Power Steering Return Line Hose Assembly with Adjustable Length Option
1982CadillacFleetwoodSedan——
1982CadillacFleetwoodCoupe——
1982CadillacFleetwood———
1982CadillacSeville——Power Steering Return Line Hose Assembly with Adjustable Length Option
1982ChevroletCamaro——Cut to Fit, w/o Cooler
1982ChevroletCaprice——Power Steering Return Line Hose Assembly with Adjustable Length Option
1982ChevroletImpala——Power Steering Return Line Hose Assembly with Adjustable Length Option
1982PontiacFirebird——w/ AC, Cut to Fit
1982PontiacParisienne——Power Steering Return Line Hose Assembly with Adjustable Length Option
1981BuickRegal——Fitment note: for vehicles with air conditioning
1981ChevroletCaprice——Power Steering Return Line Hose Assembly with Adjustable Length Option
1981ChevroletImpala——Power Steering Return Line Hose Assembly with Adjustable Length Option
1981PontiacLeMans——w/ AC, Cut to Fit
1980BuickCentury———
1980BuickElectra———
1980BuickLeSabre——Power Steering Return Line Hose Assembly with Adjustable Length Option
1980BuickRegal———
1980BuickRiviera———
1980ChevroletCaprice——Power Steering Return Line Hose Assembly with Adjustable Length Option
1980ChevroletImpala——Power Steering Return Line Hose Assembly with Adjustable Length Option
1980ChevroletMonte Carlo——Power Steering Return Line Hose Assembly with Adjustable Length Option
1980OldsmobileCutlass——Power Steering Return Line Hose Assembly with Adjustable Length Option
1980OldsmobileCutlass Calais——Power Steering Return Line Hose Assembly with Adjustable Length Option
1980OldsmobileCutlass Supreme——Power Steering Return Line Hose Assembly with Adjustable Length Option
1980PontiacLaurentian——Power Steering Return Line Hose Assembly with Adjustable Length Option
1980PontiacLeMans——w/ AC, w/ O-Ring Fitting, Cut to Fit
1980PontiacParisienne——Power Steering Return Line Hose Assembly with Adjustable Length Option
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dayco — 80442Gates — 363910Hastings Piston Rings — 652