HomeEngine > Cylinder Block ComponentsDorman 594-450 Engine Harmonic Balancer
Part #: 594-450

Dorman 594-450 Engine Harmonic Balancer

45 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick, Chevrolet, Oldsmobile, and Pontiac, Cavalier, Century, Corsica, Cutlass Ciera, Skyhawk, and Sunfire
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Dorman 594-450 Harmonic Balancer

The Dorman 594-450 harmonic balancer is a direct replacement engine component built to absorb crankshaft vibration and support smoother engine operation. Its ductile steel construction adds tensile and impact strength, while the stress-resistant rubber bond helps isolate vibration in everyday driving and under load.

  • Direct replacement harmonic balancer for select GM compact and midsize applications
  • Stress-resistant rubber bond helps absorb engine vibration
  • Ductile steel construction for added durability and strength
  • Black finish with 5 pulley grooves for serpentine belt systems
  • Mounting hole diameter: 10.6 mm; inside diameter: 27.26 mm; outside diameter: 163.5 mm; depth: 31 mm
  • Part number 594-450 for service matching and catalog lookup

Fitment and Application Details

Compatible with select Chevrolet Cavalier, Pontiac Sunfire, Buick Century, Chevrolet Corsica, Oldsmobile Cutlass Ciera, and Buick Skyhawk applications across the listed model years. Fits 1987-2002 Chevrolet Cavalier, N/A; Fits 1995-2002 Pontiac Sunfire, N/A; Fits 1993-1996 Buick Century, N/A; Fits 1987-1996 Chevrolet Corsica, N/A; Fits 1993-1996 Oldsmobile Cutlass Ciera, N/A; Fits 1987-1989 Buick Skyhawk, N/A. This part cross-references 10112371 for the same application.

What This Part Helps Address

  • Engine vibration felt through the crankshaft and accessory drive
  • Rubber bond deterioration in an aging harmonic balancer
  • Noise or imbalance related to a worn crankshaft damper
  • Serpentine belt drive issues tied to a damaged pulley surface
  • Replacement needs on high-mileage Chevrolet Cavalier and Pontiac Sunfire engines

Installation Notes and Tips

Verify pulley groove count, inside diameter, and mounting hole dimensions before installation. Confirm serpentine belt alignment and inspect the crankshaft snout, keyway, and surrounding components for wear or damage. Because the center bolt and washer are not included, reuse or source the correct fasteners separately as required by the vehicle service procedure.

Quality Assurance

Dorman manufactures this harmonic balancer as a direct replacement part with materials selected for vibration control and durability. The ductile steel body and bonded rubber construction are intended to meet the demands of routine engine service on compatible Chevrolet, Pontiac, Buick, and Oldsmobile applications.

BrandDorman
Part Number594-450
Inside Diameter27.26
Outside Diameter163.5
Pulley Groove Quantity5
Grade TypeRegular
Mounting Hole Quantity1
Drive Belt TypeSerpentine
Bolt And Washer IncludedNo
Depth31
Mounting Hole Diameter10.6
Center Bolt IncludedNo
Color/FinishBlack
Degree MarkingsNo
Package ContentsHarmonic balancer

This part fits 45 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2002ChevroletCavalier2.2LL4N/A
2002PontiacSunfire2.2LL4N/A
2001ChevroletCavalier2.2LL4N/A
2001PontiacSunfire2.2LL4N/A
2000ChevroletCavalier2.2LL4N/A
2000PontiacSunfire2.2LL4N/A
1999ChevroletCavalier2.2LL4N/A
1999PontiacSunfire2.2LL4N/A
1998ChevroletCavalier2.2LL4N/A
1998PontiacSunfire2.2LL4N/A
1997ChevroletCavalier2.2LL4N/A
1997PontiacSunfire2.2LL4N/A
1996BuickCentury2.2LL4N/A
1996ChevroletCavalier2.2LL4N/A
1996ChevroletCorsica2.2LL4N/A
1996OldsmobileCutlass Ciera2.2LL4N/A
1996PontiacSunfire2.2LL4N/A
1995BuickCentury2.2LL4N/A
1995ChevroletCavalier2.2LL4N/A
1995ChevroletCorsica2.2LL4N/A
1995OldsmobileCutlass Ciera2.2LL4N/A
1995PontiacSunfire2.2LL4N/A
1994BuickCentury2.2LL4N/A
1994ChevroletCavalier2.2LL4N/A
1994ChevroletCorsica2.2LL4N/A
1994OldsmobileCutlass Ciera2.2LL4N/A
1993BuickCentury2.2LL4N/A
1993ChevroletCavalier2.2LL4N/A
1993ChevroletCorsica2.2LL4N/A
1993OldsmobileCutlass Ciera2.2LL4N/A
1992ChevroletCavalier2.2LL4N/A
1992ChevroletCorsica2.2LL4N/A
1991ChevroletCavalier2.2LL4N/A
1991ChevroletCorsica2.2LL4N/A
1990ChevroletCavalier2.2LL4N/A
1990ChevroletCorsica2.2LL4N/A
1989BuickSkyhawk2.0LL4N/A
1989ChevroletCavalier2.0LL4N/A
1989ChevroletCorsica2.0LL4N/A
1988BuickSkyhawk2.0LL4N/A
1988ChevroletCavalier2.0LL4N/A
1988ChevroletCorsica2.0LL4N/A
1987BuickSkyhawk2.0LL4N/A
1987ChevroletCavalier2.0LL4N/A
1987ChevroletCorsica2.0LL4N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

10112371

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.