This harmonic balancer and Belt Drive Pulley is a new, aftermarket replacement part that has the following specifications:

  • Type - Double Groove w/ 1/4" Div.
  • OE part number - 3857352, 10141202      
  • Diameter - 6-3/4" (inches)
  • Width - 2-1/2" (inches)
  • Direct bolt on replacement
  • Built to strict quality control standards


A direct replacement. Please verify the dimensions against your existing balancer.

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.

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Vehicle Fit

  • 1973-1986 Chevy C10 Truck Harmonic Balancer for L6 4.8L Dorman 594-031
  • 1973-1986 Chevy C20 Truck Harmonic Balancer for L6 4.8L Dorman 594-031
  • 1973-1986 Chevy C30 Truck Harmonic Balancer for L6 4.8L Dorman 594-031
  • 1973-1986 Chevy K10 Truck Harmonic Balancer for L6 4.8L Dorman 594-031
  • 1973-1986 Chevy K20 Truck Harmonic Balancer for L6 4.8L Dorman 594-031
  • 1973-1986 Chevy K30 Truck Harmonic Balancer for L6 4.8L Dorman 594-031
  • 1975-1982 Chevy Suburban C10 Harmonic Balancer for L6 4.8L Dorman 594-031
  • 1975-1982 Chevy Suburban C20 Harmonic Balancer for L6 4.8L Dorman 594-031
  • 1975-1982 Chevy Suburban K10 Harmonic Balancer for L6 4.8L Dorman 594-031
  • 1975-1982 Chevy Suburban K20 Harmonic Balancer for L6 4.8L Dorman 594-031
  • 1975-1989 Chevy Van - P Series Forward Control Harmonic Balancer for L6 4.8L Dorman 594-031
  • 1975-1978 Chevy Van G-Series Harmonic Balancer for L6 4.8L Dorman 594-031
  • 1975-1988 GMC C1500 Truck Harmonic Balancer for L6 4.8L Dorman 594-031
  • 1975-1988 GMC C2500 Truck Harmonic Balancer for L6 4.8L Dorman 594-031
  • 1975-1988 GMC C3500 Truck Harmonic Balancer for L6 4.8L Dorman 594-031
  • 1975-1988 GMC K1500 Truck Harmonic Balancer for L6 4.8L Dorman 594-031
  • 1975-1988 GMC K2500 Truck Harmonic Balancer for L6 4.8L Dorman 594-031
  • 1975-1988 GMC K3500 Truck Harmonic Balancer for L6 4.8L Dorman 594-031
  • 1975-1984 GMC Suburban C1500 Harmonic Balancer for L6 4.8L Dorman 594-031
  • 1975-1984 GMC Suburban K1500 Harmonic Balancer for L6 4.8L Dorman 594-031
  • 1975-1978 GMC Van Harmonic Balancer for L6 4.8L Dorman 594-031
  • 1975-1989 GMC Van - P Series Forward Control Harmonic Balancer for L6 4.8L Dorman 594-031

This part replaces:

  • Dorman 594-031
  • Hollander 309-178
  • OE # 3857352
Part #: 1AEHB00070

Dorman
Brand #: 594-031