Home› Steering > Power Steering Hoses, Pumps, and Related Components› Sunsong 3401284 Power Steering Pressure Line Hose Assembly - Pump To Hydroboost
Sunsong 3401284 Power Steering Pressure Line Hose Assembly - Pump To HydroboostOE Quality 60-Day Returns
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Part #: 3401284

Sunsong 3401284 Power Steering Pressure Line Hose Assembly - Pump To Hydroboost

Pump To Hydroboost
⚙️ 121 vehicles fit this part
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🚗Fitment: Chevrolet and GMC, Blazer, C1500, C1500 Suburban, C2500, C2500 Suburban, C35, C3500, K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, Suburban, and Yukon
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Overview of Sunsong Power Steering Pressure Line Hose Assembly

The Sunsong 3401284 power steering pressure line hose assembly is designed for reliable hydraulic fluid transfer in select Chevrolet and GMC trucks and SUVs. Engineered without a bracket and featuring male o-ring fittings, this hose assembly ensures a secure and leak-resistant connection for your vehicle's power steering system.

  • Compatible with Chevrolet Blazer, C35, C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, and GMC K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, Yukon models
  • End 1 fitting: 16 mm male o-ring
  • End 2 fitting: 18 mm male o-ring
  • Hose material: Chlorosulfonated polyethylene (CSM) for durability and flexibility
  • Overall length: 43.7 inches (1109 mm)
  • No bracket included, designed for direct replacement

Detailed Product Description

The Sunsong 3401284 power steering pressure line hose assembly is constructed from CSM hose material, known for its resistance to heat, oil, and abrasion, making it suitable for demanding automotive environments. The hose features male o-ring fittings on both ends—16 mm on one end and 18 mm on the other—ensuring a tight seal to prevent leaks in the power steering system. With a length of 43.7 inches (1109 mm), this hose assembly is tailored to fit specific Chevrolet and GMC models, including the Blazer, C1500 series, C2500 series, C3500, and various K-series trucks and Yukon SUVs. This part does not include a bracket or a power steering switch port, simplifying installation and compatibility with factory mounting points.

Common Applications and Issues Addressed

  • Replacement of worn or leaking power steering pressure hoses on Chevrolet and GMC trucks and SUVs
  • Eliminates power steering fluid leaks that cause steering difficulty or noise
  • Restores proper hydraulic pressure for smooth steering response
  • Prevents hose failure due to abrasion or heat damage
  • Addresses issues related to deteriorated or cracked power steering lines

Installation Notes and Tips

  • Ensure the vehicle is safely lifted and supported before beginning installation
  • Drain power steering fluid to avoid spills during hose removal
  • Verify fitting sizes (16 mm and 18 mm male o-ring) match your vehicle’s connections
  • Inspect surrounding components for wear or damage during replacement
  • Refer to technical tips Tt1000 and Tt1001 for additional installation guidance

Quality Assurance and Warranty

Sunsong power steering hoses are manufactured to meet or exceed OEM specifications for durability and performance. The 3401284 hose assembly undergoes rigorous quality control to ensure leak-free operation and long service life. While specific warranty details may vary, Sunsong products typically include a limited warranty against defects in materials and workmanship. Consult product documentation or your supplier for exact warranty terms.

BrandSunsong
Part Number3401284
End 1 Fitting Size (mm)16
End 1 Fitting TypeMale O-Ring
End 2 Fitting Size (mm)18
End 2 Fitting TypeMale O-Ring
Hose Material 1CSM
Length (in)43.7
Length (mm)1109
Tech TipTT1000|TT1001

This part fits 121 vehicles. Search below:

YearMakeModelPositionNotes
1994ChevroletBlazerPump To Hydroboost
1994ChevroletC1500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1994ChevroletC1500 SuburbanPump To Hydroboost
1994ChevroletC2500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1994ChevroletC2500 SuburbanPump To Hydroboost
1994ChevroletC35Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1994ChevroletC3500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1994ChevroletK1500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1994ChevroletK1500 SuburbanPump To Hydroboost
1994ChevroletK2500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1994ChevroletK2500 SuburbanPump To Hydroboost
1994ChevroletK3500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1994GMCC1500Pump To Hydroboost
1994GMCC1500 SuburbanPump To Hydroboost
1994GMCC2500Pump To Hydroboost
1994GMCC2500 SuburbanPump To Hydroboost
1994GMCC3500Pump To Hydroboost
1994GMCK1500Pump To Hydroboost
1994GMCK1500 SuburbanPump To Hydroboost
1994GMCK2500Pump To Hydroboost
1994GMCK2500 SuburbanPump To Hydroboost
1994GMCK3500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1994GMCYukonPump To Hydroboost
1993ChevroletBlazerPump To Hydroboost
1993ChevroletC1500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1993ChevroletC1500 SuburbanPump To Hydroboost
1993ChevroletC2500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1993ChevroletC2500 SuburbanPump To Hydroboost
1993ChevroletC35Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1993ChevroletC3500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1993ChevroletK1500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1993ChevroletK1500 SuburbanPump To Hydroboost
1993ChevroletK2500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1993ChevroletK2500 SuburbanPump To Hydroboost
1993ChevroletK3500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1993GMCC1500Pump To Hydroboost
1993GMCC1500 SuburbanPump To Hydroboost
1993GMCC2500Pump To Hydroboost
1993GMCC2500 SuburbanPump To Hydroboost
1993GMCC3500Pump To Hydroboost
1993GMCK1500Pump To Hydroboost
1993GMCK1500 SuburbanPump To Hydroboost
1993GMCK2500Pump To Hydroboost
1993GMCK2500 SuburbanPump To Hydroboost
1993GMCK3500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1993GMCYukonPump To Hydroboost
1992ChevroletBlazerPump To Hydroboost
1992ChevroletC1500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1992ChevroletC1500 SuburbanPump To Hydroboost
1992ChevroletC2500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1992ChevroletC2500 SuburbanPump To Hydroboost
1992ChevroletC35Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1992ChevroletC3500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1992ChevroletK1500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1992ChevroletK1500 SuburbanPump To Hydroboost
1992ChevroletK2500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1992ChevroletK2500 SuburbanPump To Hydroboost
1992ChevroletK3500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1992GMCC1500Pump To Hydroboost
1992GMCC1500 SuburbanPump To Hydroboost
1992GMCC2500Pump To Hydroboost
1992GMCC2500 SuburbanPump To Hydroboost
1992GMCC3500Pump To Hydroboost
1992GMCK1500Pump To Hydroboost
1992GMCK1500 SuburbanPump To Hydroboost
1992GMCK2500Pump To Hydroboost
1992GMCK2500 SuburbanPump To Hydroboost
1992GMCK3500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1992GMCYukonPump To Hydroboost
1991ChevroletC1500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1991ChevroletC2500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1991ChevroletC35Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1991ChevroletC3500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1991ChevroletK1500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1991ChevroletK2500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1991ChevroletK3500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1991GMCC1500Pump To Hydroboost
1991GMCC2500Pump To Hydroboost
1991GMCC3500Pump To Hydroboost
1991GMCK1500Pump To Hydroboost
1991GMCK2500Pump To Hydroboost
1991GMCK3500Pump To Hydroboost
1990ChevroletC1500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1990ChevroletC2500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1990ChevroletC35Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1990ChevroletC3500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1990ChevroletK1500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1990ChevroletK2500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1990ChevroletK3500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1990GMCC1500Pump To Hydroboost
1990GMCC2500Pump To Hydroboost
1990GMCC3500Pump To Hydroboost
1990GMCK1500Pump To Hydroboost
1990GMCK2500Pump To Hydroboost
1990GMCK3500Pump To Hydroboost
1989ChevroletC1500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1989ChevroletC2500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1989ChevroletC35Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1989ChevroletC3500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1989ChevroletK1500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1989ChevroletK2500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1989ChevroletK3500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1989GMCC1500Pump To Hydroboost
1989GMCC2500Pump To Hydroboost
1989GMCC3500Pump To Hydroboost
1989GMCK1500Pump To Hydroboost
1989GMCK2500Pump To Hydroboost
1989GMCK3500Pump To Hydroboost
1988ChevroletC1500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1988ChevroletC2500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1988ChevroletC35Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1988ChevroletC3500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1988ChevroletK1500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1988ChevroletK2500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1988ChevroletK3500Pump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
1988GMCC1500Pump To Hydroboost
1988GMCC2500Pump To Hydroboost
1988GMCC3500Pump To Hydroboost
1988GMCK1500Pump To Hydroboost
1988GMCK2500Pump To Hydroboost
1988GMCK3500Pump To Hydroboost

* 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:

249822600252726002840260089102600891426012449260235512602355226023553260328592604294836-36595036595091651979-2039

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

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