Replaces

1985-1987 Cadillac Deville Harmonic Balancer for L6 4.1L

This part replaces:

  • OE # 12552436
  • DORMAN 594-042
  • HOLLANDER 309-405

  • New

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

Effective June 23, 2014: This item is backed by a manufacturer's 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

  • 1987-1988 Cadillac Allante Harmonic Balancer for L6 4.1L
  • 1985-1987 Cadillac Deville Harmonic Balancer for L6 4.1L
  • 1988-1990 Cadillac Deville Harmonic Balancer for V8 4.5L
  • 1991-1993 Cadillac Deville Harmonic Balancer for V8 4.9L
  • 1986-1987 Cadillac Eldorado Harmonic Balancer for L6 4.1L
  • 1988-1990 Cadillac Eldorado Harmonic Balancer for V8 4.5L
  • 1991-1993 Cadillac Eldorado Harmonic Balancer for V8 4.9L
  • 1985-1987 Cadillac Fleetwood Harmonic Balancer for L6 4.1L
  • 1988-1990 Cadillac Fleetwood Harmonic Balancer for V8 4.5L
  • 1991-1993 Cadillac Fleetwood Harmonic Balancer for V8 4.9L
  • 1986-1987 Cadillac Seville Harmonic Balancer for L6 4.1L
  • 1988-1990 Cadillac Seville Harmonic Balancer for V8 4.5L
  • 1991-1993 Cadillac Seville Harmonic Balancer for V8 4.9L
$92.95
Part #: 1AEHB00078

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

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