Replaces

1980-1985 Chevy Impala Harmonic Balancer for V8 5.7L 350ci (excluding Diesel Engines)

This part replaces:

  • DORMAN 594-009
  • OE # 12551948
  • HOLLANDER 309-172

  • New

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

  • Type - Hollow Back
  • OE part number - GM 12551948
  • Diameter - 6-3/4" (inches)
  • Width - 2-3/8" (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.


Vehicle Fit

  • 1977 Buick Century Harmonic Balancer for V8 5.7L 350ci (8th Vin Digit L)
  • 1977-1980 Buick Century Harmonic Balancer for V8 5.0L 305ci
  • 1978-1979 Buick Century Harmonic Balancer for V8 5.7L 350ci
  • 1978 Buick Electra Harmonic Balancer for V8 5.0L 305ci
  • 1978 Buick LeSabre Harmonic Balancer for V8 5.0L 305ci
  • 1977 Buick Regal Harmonic Balancer for V8 5.7L 350ci (8th Vin Digit L)
  • 1977 Buick Regal Harmonic Balancer for V8 5.0L 305ci
  • 1978-1980 Buick Regal Harmonic Balancer for V8 5.0L 305ci
  • 1991 Buick Roadmaster Harmonic Balancer for V8 5.0L 305ci
  • 1992-1993 Buick Roadmaster Harmonic Balancer for V8 5.7L 350ci
  • 1977-1979 Buick Skylark Harmonic Balancer for V8 5.0L 305ci
  • 1977 Buick Skylark Harmonic Balancer for V8 5.7L 350ci (8th Vin Digit L)
  • 1978-1979 Buick Skylark Harmonic Balancer for V8 5.7L 350ci
  • 1990-1992 Cadillac Brougham Harmonic Balancer for V8 5.7L 350ci
  • 1991-1992 Cadillac Brougham Harmonic Balancer for V8 5.0L 305ci
  • 1990-1993 Cadillac Fleetwood Harmonic Balancer for V8 5.7L 350ci
  • 1991-1992 Cadillac Fleetwood Harmonic Balancer for V8 5.0L 305ci
  • 1979-1987 Chevy Blazer Full Size Harmonic Balancer for V8 5.0L 305ci
  • 1977-1986 Chevy C10 Truck Harmonic Balancer for V8 5.0L 305ci
  • 1977-1986 Chevy C20 Truck Harmonic Balancer for V8 5.0L 305ci
  • 1977-1984 Chevy Camaro Harmonic Balancer for V8 5.0L 305ci
  • 1977-1981 Chevy Camaro Harmonic Balancer for V8 5.7L 350ci
  • 1985-1987 Chevy Camaro Harmonic Balancer for V8 5.0L 305ci 4 BBL Carburetor
  • 1988-1992 Chevy Camaro Harmonic Balancer for V8 5.0L 305ci TBI
  • 1980-1993 Chevy Caprice Harmonic Balancer for V8 5.0L 305ci
  • 1980-1985 Chevy Caprice Harmonic Balancer for V8 5.7L 350ci (excluding Diesel Engines)
  • 1986-1996 Chevy Caprice Harmonic Balancer for V8 5.7L 350ci
  • 1977 Chevy Chevelle Harmonic Balancer for V8 5.0L 305ci
  • 1977 Chevy Chevelle Harmonic Balancer for V8 5.7L 350ci
  • 1977-1979 Chevy El Camino Harmonic Balancer for V8 5.7L 350ci
  • 1977-1987 Chevy El Camino Harmonic Balancer for V8 5.0L 305ci
  • 1980-1985 Chevy Impala Harmonic Balancer for V8 5.7L 350ci (excluding Diesel Engines)
  • 1980-1985 Chevy Impala Harmonic Balancer for V8 5.0L 305ci
  • 1978-1983 Chevy Malibu Harmonic Balancer for V8 5.0L 305ci
  • 1978-1979 Chevy Malibu Harmonic Balancer for V8 5.7L 350ci
  • 1977 Chevy Monte Carlo Harmonic Balancer for V8 5.0L 305ci
  • 1978-1988 Chevy Monte Carlo Harmonic Balancer for V8 5.0L 305ci
  • 1977-1979 Chevy Nova Harmonic Balancer for V8 5.7L 350ci
  • 1977-1979 Chevy Nova Harmonic Balancer for V8 5.0L 305ci
  • 1979 Chevy Suburban C10 Harmonic Balancer for V8 5.0L 305ci
  • 1981-1986 Chevy Suburban C10 Harmonic Balancer for V8 5.0L 305ci
  • 1979 Chevy Suburban C20 Harmonic Balancer for V8 5.0L 305ci
  • 1981-1986 Chevy Suburban C20 Harmonic Balancer for V8 5.0L 305ci
  • 1979 Chevy Suburban K10 Harmonic Balancer for V8 5.0L 305ci
  • 1981-1986 Chevy Suburban K10 Harmonic Balancer for V8 5.0L 305ci
  • 1979 Chevy Suburban K20 Harmonic Balancer for V8 5.0L 305ci
  • 1981-1986 Chevy Suburban K20 Harmonic Balancer for V8 5.0L 305ci
  • 1977-1986 GMC C1500 Truck Harmonic Balancer for V8 5.0L 305ci
  • 1977-1986 GMC C2500 Truck Harmonic Balancer for V8 5.0L 305ci
  • 1978-1987 GMC Caballero Harmonic Balancer for V8 5.0L 305ci
  • 1978-1979 GMC Caballero Harmonic Balancer for V8 5.7L 350ci
  • 1979-1987 GMC Jimmy Full Size Harmonic Balancer for V8 5.0L 305ci
  • 1977 GMC Sprint Harmonic Balancer for V8 5.0L 305ci
  • 1977 GMC Sprint Harmonic Balancer for V8 5.7L 350ci
  • 1979 GMC Suburban Harmonic Balancer for V8 5.0L 305ci
  • 1981-1987 GMC Suburban Harmonic Balancer for V8 5.0L 305ci
  • 1977 Olds 98-Regency Harmonic Balancer for V8 5.7L 350ci (8th Vin Digit L)
  • 1991-1992 Olds Custom Cruiser Station Wagon Harmonic Balancer for V8 5.0L 305ci
  • 1992 Olds Custom Cruiser Station Wagon Harmonic Balancer for V8 5.7L 350ci
  • 1978-1987 Olds Cutlass Harmonic Balancer for V8 5.0L 305ci
  • 1978 Olds Cutlass Harmonic Balancer for V8 5.7L 350ci
  • 1979 Olds Cutlass Harmonic Balancer for V8 5.7L 350ci (8th Vin Digit L)
  • 1978 Olds Cutlass Supreme RWD Harmonic Balancer for V8 5.7L 350ci
  • 1978-1987 Olds Cutlass Supreme RWD Harmonic Balancer for V8 5.0L 305ci
  • 1979 Olds Cutlass Supreme RWD Harmonic Balancer for V8 5.7L 350ci (8th Vin Digit L)
  • 1977 Olds Delta 88 Harmonic Balancer for V8 5.7L 350ci (8th Vin Digit L)
  • 1977 Olds Delta 88-Royale Harmonic Balancer for V8 5.7L 350ci (8th Vin Digit L)
  • 1977-1979 Olds Omega Harmonic Balancer for V8 5.0L 305ci
  • 1977 Olds Omega Harmonic Balancer for V8 5.7L 350ci (8th Vin Digit L)
  • 1978-1979 Olds Omega Harmonic Balancer for V8 5.7L 350ci
  • 1977 Olds Regency Harmonic Balancer for V8 5.7L 350ci (8th Vin Digit L)
  • 1977 Olds Vista Cruiser Harmonic Balancer for V8 5.7L 350ci (8th Vin Digit L)
  • 1977 Pontiac Bonneville Harmonic Balancer for V8 5.0L 305ci
  • 1981 Pontiac Bonneville Harmonic Balancer for V8 5.0L 305ci
  • 1983-1986 Pontiac Bonneville Harmonic Balancer for V8 5.0L 305ci
  • 1977-1984 Pontiac Firebird Harmonic Balancer for V8 5.0L 305ci
  • 1977-1981 Pontiac Firebird Harmonic Balancer for V8 5.7L 350ci
  • 1985-1987 Pontiac Firebird Harmonic Balancer for V8 5.0L 305ci 4 BBL Carburetor
  • 1988-1992 Pontiac Firebird Harmonic Balancer for V8 5.0L 305ci TBI
  • 1978-1980 Pontiac Grand Prix Harmonic Balancer for V8 5.0L 305ci
  • 1983-1987 Pontiac Grand Prix Harmonic Balancer for V8 5.0L 305ci
  • 1977-1979 Pontiac LeMans Harmonic Balancer for V8 5.0L 305ci
  • 1978 Pontiac LeMans Harmonic Balancer for V8 5.7L 350ci
  • 1977 Pontiac Parisienne Harmonic Balancer for V8 5.0L 305ci
  • 1981 Pontiac Parisienne Harmonic Balancer for V8 5.0L 305ci
  • 1983-1986 Pontiac Parisienne Harmonic Balancer for V8 5.0L 305ci
  • 1977 Pontiac Phoenix Harmonic Balancer for V8 5.0L 305ci
  • 1977 Pontiac Phoenix Harmonic Balancer for V8 5.7L 350ci (8th Vin Digit L)
  • 1978-1979 Pontiac Phoenix Harmonic Balancer for V8 5.7L 350ci
  • 1978-1979 Pontiac Phoenix Harmonic Balancer for V8 5.0L 305ci
  • 1977-1981 Pontiac Trans Am Harmonic Balancer for V8 5.7L 350ci
  • 1977-1984 Pontiac Trans Am Harmonic Balancer for V8 5.0L 305ci
  • 1985-1987 Pontiac Trans Am Harmonic Balancer for V8 5.0L 305ci 4 BBL Carburetor
  • 1988-1992 Pontiac Trans Am Harmonic Balancer for V8 5.0L 305ci TBI
  • 1977 Pontiac Ventura II Harmonic Balancer for V8 5.0L 305ci
  • 1977 Pontiac Ventura II Harmonic Balancer for V8 5.7L 350ci (8th Vin Digit L)
$49.95
Only 1 left in stock
Part #: 1AEHB00055

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