This harmonic balancer is a new, aftermarket replacement part. This dampener pulley mounts to the front of the engine on the crankshaft, and is used to dampen engine vibration.


  • Brand New Harmonic Balancer
  • Direct replacement
  • Built to strict quality control standards

This replacement harmonic balancer is an excellent replacement for your worn or damaged original, and has good cost savings over a dealer part.

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

  • 1994-2004 Chevy S10 Pickup Harmonic Balancer L4 2.2L Dorman 594-478
  • 1994-2004 GMC S-15 Sonoma Harmonic Balancer L4 2.2L Dorman 594-478
  • 1996-2000 Isuzu Hombre Harmonic Balancer L4 2.2L Dorman 594-478

This part replaces:

  • OE # 10141920
  • Dorman 594-478
Only 2 left in stock
Part #: 1AEHB00231

Ships Same Day for orders placed by 4 P.M. ET

Brand #: 594-478