Replaces

Cadillac Harmonic Balancer Dorman 594-042 - 1AEHB00078

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

  • Type - Serpentine Belt
  • OE part number - GM 12552436
  • Diameter - 7-3/8" (inches)
  • Width - 1-3/4" (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

  • 1987-1988 Cadillac Allante Harmonic Balancer L6 4.1L
  • 1985-1987 Cadillac Deville Harmonic Balancer L6 4.1L
  • 1988-1990 Cadillac Deville Harmonic Balancer V8 4.5L
  • 1991-1993 Cadillac Deville Harmonic Balancer V8 4.9L
  • 1986-1987 Cadillac Eldorado Harmonic Balancer L6 4.1L
  • 1988-1990 Cadillac Eldorado Harmonic Balancer V8 4.5L
  • 1991-1993 Cadillac Eldorado Harmonic Balancer V8 4.9L
  • 1985-1987 Cadillac Fleetwood Harmonic Balancer L6 4.1L
  • 1988-1990 Cadillac Fleetwood Harmonic Balancer V8 4.5L
  • 1991-1993 Cadillac Fleetwood Harmonic Balancer V8 4.9L
  • 1986-1987 Cadillac Seville Harmonic Balancer L6 4.1L
  • 1988-1990 Cadillac Seville Harmonic Balancer V8 4.5L
  • 1991-1993 Cadillac Seville Harmonic Balancer V8 4.9L

This part replaces:

  • Dorman 594-042
  • Hollander 309-405
  • OE # 12552436
Part #: 1AEHB00078

Ships in 1-3 Business Days. Delivery times vary.

Dorman
Brand #: 594-042