HomeEngine > Cylinder Block ComponentsATP Parts 102066 Engine Harmonic Balancer
Part #: 102066

ATP Parts 102066 Engine Harmonic Balancer

OE Replacement Balancer
⚙️ 63 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Replacement Balancer
🚗Fitment: Buick, Chevrolet, Oldsmobile, and Pontiac, Achieva, Alero, Calais, Cavalier, Cutlass Calais, Cutlass Supreme, Grand Am, Grand Prix, Malibu, Skylark, and Sunfire
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Overview of ATP Parts OE Replacement Balancer 102066

The ATP Parts OE Replacement Balancer 102066 is designed to restore proper engine harmonic balance for select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. This engine harmonic balancer is engineered to meet standard replacement specifications, ensuring reliable performance for models such as the Malibu, Grand Prix, and Cavalier.

  • Inside diameter options: 1.3125 inches (33 mm)
  • Outside diameter options: 6.4375 inches (163 mm)
  • Three pulley grooves for serpentine drive belts
  • Three mounting holes for secure installation
  • Depth measurements: 1.625 inches (41 mm)
  • Standard replacement grade type
  • Compatible with serpentine belt drive systems

Detailed Product Description

The ATP Parts OE Replacement Balancer 102066 is an engine harmonic balancer designed to reduce torsional vibration in the crankshaft, helping to protect engine components and maintain smooth operation. Featuring a 1.3125 inch (33 mm) inside diameter and a 6.4375 inch (163 mm) outside diameter, this balancer fits a range of GM vehicles including Buick Achieva, Chevrolet Malibu, Oldsmobile Cutlass Supreme, and Pontiac Grand Am. It includes three pulley grooves to accommodate serpentine drive belts and three mounting holes for proper alignment and secure attachment. The depth of 1.625 inches (41 mm) ensures compatibility with the engine block components it is designed to replace.

This balancer is part of the ATP Parts OE Replacement Balancer product line, which focuses on providing standard replacement components that meet original equipment specifications. This line is intended for customers seeking reliable, direct-fit parts that maintain factory performance without modification.

Common Applications and Issues Addressed

  • Eliminates crankshaft vibration that can cause premature wear
  • Prevents damage to timing components and accessories
  • Restores proper belt alignment and tension for serpentine systems
  • Reduces engine noise and harshness related to harmonic imbalance
  • Replaces worn or damaged harmonic balancers in Buick, Chevrolet, Oldsmobile, and Pontiac models

Installation Notes and Tips

  • Verify the inside and outside diameter measurements to ensure correct fitment
  • Confirm compatibility with serpentine belt drive systems on your vehicle
  • Use proper tools to align the balancer with the crankshaft and mounting holes
  • Torque mounting bolts to manufacturer specifications (hardware not included)
  • Inspect related components such as belts and pulleys during installation

Quality Assurance and Warranty

The ATP Parts OE Replacement Balancer 102066 is manufactured to meet standard replacement grade requirements, ensuring consistent performance and durability. While installation hardware is not included, the part is designed for direct replacement in compatible Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Warranty coverage details should be confirmed with the original ATP Parts documentation or distributor.

BrandATP Parts
Part Number102066
PositionOE Replacement Balancer
Inside Diameter1.3125
Inside Diameter33
Outside Diameter163
Outside Diameter6.4375
Pulley Groove Quantity3
Grade TypeStandard replacement
Mounting Hole Quantity3
Drive Belt TypeSerpentine
Bolt And Washer IncludedNo
Depth1.625
Depth41
LineCodeAtp2

This part fits 63 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2002ChevroletCavalier2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
2002PontiacSunfire2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
2001ChevroletCavalier2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
2001OldsmobileAlero2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
2001PontiacGrand Am2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
2001PontiacSunfire2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
2000ChevroletCavalier2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
2000OldsmobileAlero2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
2000PontiacGrand Am2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
2000PontiacSunfire2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1999ChevroletCavalier2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1999ChevroletMalibu2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1999OldsmobileAlero2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1999PontiacGrand Am2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1999PontiacSunfire2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1998BuickSkylark2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1998ChevroletCavalier2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1998ChevroletMalibu2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1998OldsmobileAchieva2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1998PontiacGrand Am2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1998PontiacSunfire2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1997BuickSkylark2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1997ChevroletCavalier2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1997ChevroletMalibu2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1997OldsmobileAchieva2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1997PontiacGrand Am2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1997PontiacSunfire2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1996BuickSkylark2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1996ChevroletCavalier2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1996OldsmobileAchieva2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1996PontiacGrand Am2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1996PontiacSunfire2.4LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1995BuickSkylark2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1995ChevroletCavalier2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1995OldsmobileAchieva2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1995PontiacGrand Am2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1995PontiacSunfire2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1994BuickSkylark2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1994OldsmobileAchieva2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1994PontiacGrand Am2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1993BuickSkylark2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1993OldsmobileAchieva2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1993PontiacGrand Am2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1992BuickSkylark2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1992OldsmobileAchieva2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1992PontiacGrand Am2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1991BuickSkylark2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1991OldsmobileCutlass Calais2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1991OldsmobileCutlass Supreme2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1991PontiacGrand Am2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1991PontiacGrand Prix2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1990BuickSkylark2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1990OldsmobileCutlass Calais2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1990OldsmobileCutlass Supreme2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1990PontiacGrand Am2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1990PontiacGrand Prix2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1989BuickSkylark2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1989OldsmobileCutlass Calais2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1989PontiacGrand Am2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1988BuickSkylark2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1988OldsmobileCutlass Calais2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1988PontiacGrand Am2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer
1987OldsmobileCalais2.3LL4N/APart Type: Serpentine; Outer Diameter: 6.44 in; OE Replacement Balancer

* 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:

245755623094195940436005240DA-1460DA1460P-GM146PB1143-NPC1028V1030

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