Sunsong 3401810 Power Steering Pressure Line Hose Assembly

Brand Sunsong 3401810
Bracket (Y/N) N
End 1 Fitting Size (in) 5/8
End 1 Fitting Type Male inverted flare
End 2 Fitting Size (in) 11/16
End 2 Fitting Type Male inverted flare
Hose Material 1 Csm
Length (in) 32
Length (mm) 812
PS Switch Port (Y/N) N
Tech Tip Tt1000
Fits Chevrolet and GMC · 198 vehicles

Exact-fit engineering. Precision-built for trouble-free installation and operation.

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

High-pressure tested. Exceeds original equipment performance standards for durability and long life.

Cross-references CSF 4016, Dayco 70910 and Gates 355320 for the same application. See all 7.

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OE-Style Power Steering Pressure Hose

Sunsong 3401810 is a power steering pressure line hose assembly built for select Chevrolet and GMC trucks and SUVs from 1973-1979. It is engineered for direct-fit replacement on applications without Hydroboost, with exact-fit routing and corrosion-resistant tubing for dependable steering system service.

  • Max working pressure: 1,500 psi
  • Burst pressure rating: 8,700 psi
  • Tensile strength: 1,600 lb
  • 32 in. overall length
  • Male inverted flare fittings: 5/8 in. end 1 and 11/16 in. end 2
  • CSM hose material for durability
  • High-grade steel tubing with zinc electroplating for rust and corrosion resistance
  • Factory pressure-tested before shipment

Detailed Application Coverage

This Sunsong power steering pressure line hose assembly is built for classic GM steering systems where precise fit and reliable pressure handling matter. It is a direct replacement for many 1973-1979 Chevrolet C10, C20, C30, K10, K20, K30, C10 Suburban, C20 Suburban, K10 Suburban, K20 Suburban, K5 Blazer, P10, P20, and P30 applications, plus select GMC Jimmy, C1500, C2500, C3500, K1500, K2500, and K3500 models. Part number 3401810 is also cross-referenced to Gates 355320 for the same application.

Built to exceed original equipment performance standards, this hose assembly uses steel tubing with zinc coating to help resist road salt, moisture, grime, and other underhood and road contaminants. The assembly is precision engineered to restore the original hose path and pressure delivery on compatible Chevrolet C10 and GMC Jimmy steering systems, while excluding Hydroboost-equipped vehicles where noted in the fitment data.

Common Steering Issues It Can Address

  • Power steering fluid leaks at the pressure line
  • Cracked, corroded, or fatigued hose tubing
  • Hard steering caused by pressure loss
  • Noise or chatter from a failing pressure hose
  • Fitment problems from an incorrect replacement line

Installation Notes and Tips

Verify your vehicle does not use Hydroboost before ordering, since several listed applications exclude that system. Confirm both inverted flare fitting sizes and hose routing against the original line before installation. On 1978 Chevrolet C10, C30, K10, K20, K30, and K5 Blazer applications, review the emissions and Hydroboost notes carefully to match the correct configuration.

Part number 3401810 is intended for direct replacement use on the listed Chevrolet and GMC applications, including 1977-1979 Chevrolet C10 and 1979 GMC K1500 models where specified by fitment.

Quality Assurance

Each hose is pressure-tested at the factory before it leaves production to help ensure proper operation and installation. Sunsong designs this assembly to meet demanding steering system pressure requirements and provide long service life in harsh operating conditions.

This part fits 198 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelNotes
1979ChevroletC10Exclude fitment for vehicles equipped with Hydroboost.
1979ChevroletC10Not compatible with vehicles equipped with a Hydroboost system.
1979ChevroletC10 Suburban—
1979ChevroletC20Exclude fitment for vehicles equipped with Hydroboost.
1979ChevroletC20 Suburban—
1979ChevroletC30Exclude fitment for vehicles equipped with Hydroboost.
1979ChevroletK10Exclude fitment for vehicles equipped with Hydroboost.
1979ChevroletK10 Suburban—
1979ChevroletK20Exclude fitment for vehicles equipped with Hydroboost.
1979ChevroletK20 Suburban—
1979ChevroletK30Exclude fitment for vehicles equipped with Hydroboost.
1979ChevroletK5 Blazer—
1979GMCC1500—
1979GMCC1500 Suburban—
1979GMCC2500—
1979GMCC2500 Suburban—
1979GMCC3500—
1979GMCJimmy—
1979GMCK1500—
1979GMCK1500 Suburban—
1979GMCK2500—
1979GMCK2500 Suburban—
1979GMCK3500—
1978ChevroletC10w/o Hydroboost, Exc. California Emissions
1978ChevroletC10Exc. Hydroboost with Federal Emissions, Power Steering Return Line End Fitting
1978ChevroletC10 SuburbanExc. California Emissions
1978ChevroletC20w/o Hydroboost, Exc. California Emissions
1978ChevroletC20 SuburbanExc. California Emissions
1978ChevroletC30w/o Hydroboost, Exc. California Emissions
1978ChevroletC30Exc. Hydroboost with Federal Emissions, Power Steering Return Line End Fitting
1978ChevroletK10w/o Hydroboost, Exc. California Emissions
1978ChevroletK10 SuburbanExc. California Emissions
1978ChevroletK20w/o Hydroboost, Exc. California Emissions
1978ChevroletK20 SuburbanExc. California Emissions
1978ChevroletK30w/o Hydroboost, Exc. California Emissions
1978ChevroletK5 BlazerExc. California Emissions
1978ChevroletP10—
1978ChevroletP20Exclude fitment for vehicles equipped with Hydroboost.
1978ChevroletP30Exclude fitment for vehicles equipped with Hydroboost.
1978GMCC15Exc. California Emissions
1978GMCC15 SuburbanExc. California Emissions
1978GMCC25Exc. California Emissions
1978GMCC25 SuburbanExc. California Emissions
1978GMCC35Exc. California Emissions
1978GMCJimmyExc. California Emissions
1978GMCK15Exc. California Emissions
1978GMCK15 SuburbanExc. California Emissions
1978GMCK25Exc. California Emissions
1978GMCK25 SuburbanExc. California Emissions
1978GMCK35Exc. California Emissions
1978GMCP15—
1978GMCP25—
1978GMCP35—
1977ChevroletC10Not compatible with vehicles equipped with a Hydroboost system.
1977ChevroletC10—
1977ChevroletC10 Suburban—
1977ChevroletC20—
1977ChevroletC20 Suburban—
1977ChevroletC30Not compatible with vehicles equipped with a Hydroboost system.
1977ChevroletC30—
1977ChevroletK10—
1977ChevroletK10 Suburban—
1977ChevroletK20—
1977ChevroletK20 Suburban—
1977ChevroletK30—
1977ChevroletK5 Blazer—
1977ChevroletP10—
1977ChevroletP20Exclude fitment for vehicles equipped with Hydroboost.
1977ChevroletP30Exclude fitment for vehicles equipped with Hydroboost.
1977GMCC15—
1977GMCC15 Suburban—
1977GMCC25—
1977GMCC25 Suburban—
1977GMCC35—
1977GMCJimmy—
1977GMCK15—
1977GMCK15 Suburban—
1977GMCK25—
1977GMCK25 Suburban—
1977GMCK35—
1977GMCP15—
1977GMCP25—
1977GMCP35—
1976ChevroletC10Exclude fitment for vehicles equipped with Hydroboost.
1976ChevroletC10Not compatible with vehicles equipped with a Hydroboost system.
1976ChevroletC10 SuburbanExclude fitment for vehicles equipped with Hydroboost.
1976ChevroletC20Exclude fitment for vehicles equipped with Hydroboost.
1976ChevroletC20 SuburbanExclude fitment for vehicles equipped with Hydroboost.
1976ChevroletC30Exclude fitment for vehicles equipped with Hydroboost.
1976ChevroletC30Not compatible with vehicles equipped with a Hydroboost system.
1976ChevroletK10Exclude fitment for vehicles equipped with Hydroboost.
1976ChevroletK10 SuburbanExclude fitment for vehicles equipped with Hydroboost.
1976ChevroletK20Exclude fitment for vehicles equipped with Hydroboost.
1976ChevroletK20 SuburbanExclude fitment for vehicles equipped with Hydroboost.
1976ChevroletK5 BlazerExclude fitment for vehicles equipped with Hydroboost.
1976ChevroletP10—
1976ChevroletP20—
1976ChevroletP30—
1976GMCC15Exclude fitment for vehicles equipped with Hydroboost.
1976GMCC15 SuburbanExclude fitment for vehicles equipped with Hydroboost.
1976GMCC25Exclude fitment for vehicles equipped with Hydroboost.
1976GMCC25 SuburbanExclude fitment for vehicles equipped with Hydroboost.
1976GMCC35Exclude fitment for vehicles equipped with Hydroboost.
1976GMCJimmyExclude fitment for vehicles equipped with Hydroboost.
1976GMCK15Exclude fitment for vehicles equipped with Hydroboost.
1976GMCK15 SuburbanExclude fitment for vehicles equipped with Hydroboost.
1976GMCK25Exclude fitment for vehicles equipped with Hydroboost.
1976GMCK25 SuburbanExclude fitment for vehicles equipped with Hydroboost.
1976GMCP15—
1976GMCP25—
1976GMCP35—
1975ChevroletC10Exclude fitment for vehicles equipped with Hydroboost.
1975ChevroletC10Not compatible with vehicles equipped with a Hydroboost system.
1975ChevroletC10 SuburbanExclude fitment for vehicles equipped with Hydroboost.
1975ChevroletC20Exclude fitment for vehicles equipped with Hydroboost.
1975ChevroletC20 SuburbanExclude fitment for vehicles equipped with Hydroboost.
1975ChevroletC30Exclude fitment for vehicles equipped with Hydroboost.
1975ChevroletC30Not compatible with vehicles equipped with a Hydroboost system.
1975ChevroletK10Exclude fitment for vehicles equipped with Hydroboost.
1975ChevroletK10 SuburbanExclude fitment for vehicles equipped with Hydroboost.
1975ChevroletK20Exclude fitment for vehicles equipped with Hydroboost.
1975ChevroletK20 SuburbanExclude fitment for vehicles equipped with Hydroboost.
1975ChevroletK5 BlazerExclude fitment for vehicles equipped with Hydroboost.
1975ChevroletP10—
1975ChevroletP20—
1975ChevroletP30—
1975GMCC15Exclude fitment for vehicles equipped with Hydroboost.
1975GMCC15 SuburbanExclude fitment for vehicles equipped with Hydroboost.
1975GMCC25Exclude fitment for vehicles equipped with Hydroboost.
1975GMCC25 SuburbanExclude fitment for vehicles equipped with Hydroboost.
1975GMCC35Exclude fitment for vehicles equipped with Hydroboost.
1975GMCJimmyExclude fitment for vehicles equipped with Hydroboost.
1975GMCK15Exclude fitment for vehicles equipped with Hydroboost.
1975GMCK15 SuburbanExclude fitment for vehicles equipped with Hydroboost.
1975GMCK25Exclude fitment for vehicles equipped with Hydroboost.
1975GMCK25 SuburbanExclude fitment for vehicles equipped with Hydroboost.
1975GMCP15—
1975GMCP25—
1975GMCP35—
1974ChevroletBlazerExclude fitment for vehicles equipped with Hydroboost.
1974ChevroletBlazer—
1974ChevroletC10 Pickup—
1974ChevroletC10 Suburban—
1974ChevroletC20 Pickup—
1974ChevroletC20 Suburban—
1974ChevroletC30 Pickup—
1974ChevroletK10 Pickup—
1974ChevroletK10 Suburban—
1974ChevroletK20 Pickup—
1974ChevroletK20 Suburban—
1974ChevroletK30 Pickup—
1974ChevroletP10 Van—
1974ChevroletP20 Van—
1974ChevroletP30 Van—
1974GMCC15/C1500 Pickup—
1974GMCC15/C1500 Suburban—
1974GMCC25/C2500 Pickup—
1974GMCC25/C2500 Suburban—
1974GMCC35/C3500 Pickup—
1974GMCJimmy—
1974GMCK15/K1500 Pickup—
1974GMCK15/K1500 Suburban—
1974GMCK25/K2500 Pickup—
1974GMCK25/K2500 Suburban—
1974GMCK35/K3500 Pickup—
1974GMCP15/P1500 Van—
1974GMCP25/P2500 Van—
1974GMCP35/P3500 VanNot compatible with vehicles equipped with a Hydroboost system.
1974GMCP35/P3500 Van—
1973ChevroletBlazerExclude fitment for vehicles equipped with Hydroboost.
1973ChevroletBlazer—
1973ChevroletC10 Pickup—
1973ChevroletC10 Suburban—
1973ChevroletC20 Pickup—
1973ChevroletC20 Suburban—
1973ChevroletC30 Pickup—
1973ChevroletK10 Pickup—
1973ChevroletK10 Suburban—
1973ChevroletK20 Pickup—
1973ChevroletK20 Suburban—
1973ChevroletK30 Pickup—
1973ChevroletP10 Van—
1973ChevroletP20 Van—
1973ChevroletP30 Van—
1973GMCC15/C1500 Pickup—
1973GMCC15/C1500 Suburban—
1973GMCC25/C2500 Pickup—
1973GMCC25/C2500 Suburban—
1973GMCC35/C3500 Pickup—
1973GMCJimmy—
1973GMCK15/K1500 Pickup—
1973GMCK15/K1500 Suburban—
1973GMCK25/K2500 Pickup—
1973GMCK25/K2500 Suburban—
1973GMCK35/K3500 Pickup—
1973GMCP15/P1500 Van—
1973GMCP25/P2500 Van—
1973GMCP35/P3500 Van—
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
CSF — 4016Dayco — 70910Gates — 35532036-355320979-112078142087832143