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Sunsong 3402221 Power Steering Pressure Line Hose AssemblyOE Quality 60-Day Returns
Sunsong 3402221 Power Steering Pressure Line Hose Assembly - view 1
Sunsong 3402221 Power Steering Pressure Line Hose Assembly - view 2
Sunsong 3402221 Power Steering Pressure Line Hose Assembly - view 3
Sunsong 3402221 Power Steering Pressure Line Hose Assembly - view 4
Part #: 3402221

Sunsong 3402221 Power Steering Pressure Line Hose Assembly

⚙️ 121 vehicles fit this part
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🚗Fitment: Cadillac, Chevrolet, and GMC, Escalade, Escalade ESV, Suburban, Suburban 1500, Tahoe, Yukon, Yukon XL 1500, Escalade EXT, Avalanche, Cheyenne, Silverado 1500, Silverado 2500, Sierra, and Sierra 1500
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Overview of Sunsong Power Steering Pressure Line Hose Assembly

The Sunsong 3402221 power steering pressure line hose assembly is designed for reliable hydraulic performance in select GM vehicles. Engineered with durable CSM hose material and equipped with a mounting bracket, this hose assembly ensures secure fitment and efficient fluid transfer for power steering systems.

  • Includes mounting bracket for secure installation
  • End 1 fitting: 16 mm male o-ring
  • End 2 fitting: 3/8 inch male quick connect
  • Durable CSM hose material for resistance to heat and pressure
  • Length: 36 inches (914 mm) for proper routing

Detailed Product Description

The Sunsong 3402221 power steering pressure line hose assembly is specifically designed to meet the hydraulic requirements of power steering systems in various Cadillac, Chevrolet, and GMC models. Featuring a 16 mm male o-ring fitting on one end and a 3/8 inch male quick connect fitting on the other, this hose assembly facilitates a secure and leak-resistant connection. The inclusion of a mounting bracket helps maintain proper hose positioning and reduces vibration during operation. Constructed from chlorosulfonated polyethylene (CSM), the hose material offers excellent resistance to heat, ozone, and hydraulic fluids, ensuring durability and longevity under demanding conditions. With a length of 36 inches (914 mm), this hose assembly is tailored for precise fitment in vehicles such as the Chevrolet Silverado 1500, GMC Sierra 1500, Cadillac Escalade, and others.

Compatible Vehicles and Applications

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

  • Cadillac Escalade, Escalade ESV, Escalade EXT
  • Chevrolet Avalanche, Cheyenne, Silverado 1500, Silverado 2500, Suburban 1500, Tahoe
  • GMC Sierra, Sierra 1500, Yukon, Yukon XL 1500

Common Issues Addressed by This Hose Assembly

  • Leaking or cracked power steering pressure lines causing fluid loss
  • Reduced steering responsiveness due to pressure loss
  • Hose deterioration from heat and chemical exposure
  • Vibration or noise from loose or improperly mounted hoses
  • Compatibility issues with OEM fittings and connectors

Installation Notes and Tips

  • Ensure the mounting bracket is securely fastened to prevent hose movement
  • Verify fitting sizes: 16 mm male o-ring and 3/8 inch male quick connect
  • Inspect power steering fluid levels and system for leaks after installation
  • Follow vehicle-specific service manual instructions for removal and replacement
  • Use appropriate tools to avoid damaging fittings during installation

Quality Assurance and Warranty

Sunsong power steering components are manufactured to meet or exceed OEM specifications for durability and performance. The 3402221 hose assembly undergoes rigorous testing to ensure resistance to pressure, heat, and chemical exposure. While specific warranty details may vary, Sunsong typically offers coverage against defects in materials and workmanship. Consult product documentation or supplier for exact warranty terms.

BrandSunsong
Part Number3402221
Bracket (Y/N)Y
End 1 Fitting Size (mm)16
End 1 Fitting TypeMale O-Ring
End 2 Fitting Size (in)3/8
End 2 Fitting TypeMale Quick Connect
Hose Material 1CSM
Length (in)36
Length (mm)914
Tech TipTT1000|TT1001|TT1005|TT1007

This part fits 121 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2014CadillacEscaladeN/A
2014CadillacEscalade ESVN/A
2014ChevroletSuburban 1500N/A
2014ChevroletTahoeN/A
2014GMCYukonN/A
2014GMCYukonSLTN/A
2014GMCYukonSLEN/A
2014GMCYukon XL 1500N/A
2013CadillacEscaladeN/A
2013CadillacEscalade ESVN/A
2013CadillacEscalade EXTN/A
2013ChevroletAvalancheN/A
2013ChevroletCheyenneN/A
2013ChevroletSilverado 1500N/A
2013ChevroletSilverado 2500N/A
2013ChevroletSuburban 1500N/A
2013ChevroletTahoeN/A
2013GMCSierraN/A
2013GMCSierra 1500XFEN/A
2013GMCSierra 1500SLTN/A
2013GMCSierra 1500SLEN/A
2013GMCSierra 1500SLN/A
2013GMCSierra 1500DenaliN/A
2013GMCSierra 1500WTN/A
2013GMCYukonN/A
2013GMCYukonSLTN/A
2013GMCYukonSLEN/A
2013GMCYukon XL 1500N/A
2012CadillacEscaladeN/A
2012CadillacEscalade ESVN/A
2012CadillacEscalade EXTN/A
2012ChevroletAvalancheN/A
2012ChevroletCheyenneN/A
2012ChevroletSilverado 1500N/A
2012ChevroletSilverado 2500N/A
2012ChevroletSuburban 1500N/A
2012ChevroletTahoeN/A
2012GMCSierraN/A
2012GMCSierra 1500N/A
2012GMCYukonN/A
2012GMCYukon XL 1500N/A
2011CadillacEscaladePremiumN/A
2011CadillacEscaladePlatinumN/A
2011CadillacEscaladeLuxuryN/A
2011CadillacEscaladeBaseN/A
2011CadillacEscalade ESVN/A
2011CadillacEscalade EXTN/A
2011ChevroletAvalancheN/A
2011ChevroletCheyenneN/A
2011ChevroletSilverado 1500N/A
2011ChevroletSilverado 2500N/A
2011ChevroletSuburban 1500N/A
2011ChevroletTahoeN/A
2011GMCSierraN/A
2011GMCSierra 1500N/A
2011GMCYukonN/A
2011GMCYukon XL 1500N/A
2010CadillacEscaladePlatinumN/A
2010CadillacEscaladeBaseN/A
2010CadillacEscalade ESVN/A
2010CadillacEscalade EXTN/A
2010ChevroletAvalancheN/A
2010ChevroletCheyenneN/A
2010ChevroletSilverado 1500N/A
2010ChevroletSilverado 2500N/A
2010ChevroletSuburban 1500N/A
2010ChevroletTahoeN/A
2010GMCSierraN/A
2010GMCSierra 1500N/A
2010GMCYukonN/A
2010GMCYukon XL 1500N/A
2009CadillacEscaladePlatinumN/A
2009CadillacEscaladeBaseN/A
2009CadillacEscalade ESVN/A
2009CadillacEscalade EXTN/A
2009ChevroletAvalancheN/A
2009ChevroletCheyenneN/A
2009ChevroletSilverado 1500N/A
2009ChevroletSilverado 1500WTN/A
2009ChevroletSilverado 1500LTZN/A
2009ChevroletSilverado 1500LTN/A
2009ChevroletSilverado 2500N/A
2009ChevroletSuburban 1500N/A
2009ChevroletTahoeN/A
2009GMCSierraN/A
2009GMCSierra 1500N/A
2009GMCYukonN/A
2009GMCYukon XL 1500N/A
2008CadillacEscaladeN/A
2008CadillacEscalade ESVN/A
2008CadillacEscalade EXTN/A
2008ChevroletAvalancheN/A
2008ChevroletCheyenneN/A
2008ChevroletSilverado 1500N/A
2008ChevroletSilverado 1500WTN/A
2008ChevroletSilverado 1500LTZN/A
2008ChevroletSilverado 1500LTN/A
2008ChevroletSilverado 2500N/A
2008ChevroletSuburban 1500N/A
2008ChevroletTahoeN/A
2008GMCSierraN/A
2008GMCSierra 1500N/A
2008GMCYukonN/A
2008GMCYukon XL 1500N/A
2007CadillacEscaladeN/A
2007CadillacEscalade ESVN/A
2007CadillacEscalade EXTN/A
2007ChevroletAvalancheN/A
2007ChevroletCheyenneN/A
2007ChevroletSilverado 1500LTZN/A
2007ChevroletSilverado 1500LTN/A
2007ChevroletSilverado 1500BaseN/A
2007ChevroletSilverado 1500WTN/A
2007ChevroletSuburban 1500N/A
2007ChevroletTahoeN/A
2007GMCSierra 1500SLTN/A
2007GMCSierra 1500SLEN/A
2007GMCSierra 1500DenaliN/A
2007GMCSierra 1500WTN/A
2007GMCYukonN/A
2007GMCYukon XL 1500N/A

* 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:

158125642585860335218236-35218250468061780617E979-172

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

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