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

  • Type - Hollow Back, Double Groove
  • OE part number - GM 458149
  • Diameter - 6-3/4" (inches)
  • Width - 1-7/8" (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

  • 1977-1982 Chevy Blazer Full Size Harmonic Balancer L6 4.1L
  • 1977-1984 Chevy C10 Truck Harmonic Balancer L6 4.1L
  • 1979-1984 Chevy C20 Truck Harmonic Balancer L6 4.1L
  • 1977-1979 Chevy Camaro Harmonic Balancer L6 4.1L
  • 1977-1979 Chevy Caprice Harmonic Balancer without Air Conditioning L6 4.1L
  • 1977 Chevy Chevelle Harmonic Balancer L6 4.1L
  • 1977-1979 Chevy Impala Harmonic Balancer without Air Conditioning L6 4.1L
  • 1977-1979 Chevy Nova Harmonic Balancer L6 4.1L
  • 1977-1979 Chevy Suburban C10 Harmonic Balancer L6 4.1L
  • 1977-1979 Chevy Suburban C20 Harmonic Balancer L6 4.1L
  • 1977-1979 Chevy Suburban K10 Harmonic Balancer L6 4.1L
  • 1977-1979 Chevy Suburban K20 Harmonic Balancer L6 4.1L
  • 1977-1984 GMC C1500 Truck Harmonic Balancer L6 4.1L
  • 1979-1984 GMC C2500 Truck Harmonic Balancer L6 4.1L
  • 1977-1982 GMC Jimmy Full Size Harmonic Balancer L6 4.1L
  • 1977-1984 GMC K1500 Truck Harmonic Balancer L6 4.1L
  • 1979-1984 GMC K2500 Truck Harmonic Balancer L6 4.1L
  • 1977 GMC Sprint Harmonic Balancer L6 4.1L
  • 1977-1979 GMC Suburban C1500 Harmonic Balancer L6 4.1L
  • 1977-1979 GMC Suburban C2500 Harmonic Balancer L6 4.1L
  • 1977-1979 GMC Suburban K1500 Harmonic Balancer L6 4.1L
  • 1977-1979 GMC Suburban K2500 Harmonic Balancer L6 4.1L
  • 1977-1984 GMC Van Harmonic Balancer L6 4.1L
Only 2 left in stock
Part #: 1AEHB00062

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