HomeEngine > Cylinder Block ComponentsATP Parts 102068 Engine Harmonic Balancer
Part #: 102068

ATP Parts 102068 Engine Harmonic Balancer

OE Replacement Balancer
⚙️ 50 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Replacement Balancer
🚗Fitment: Buick, Pontiac, and Oldsmobile, LeSabre, Park Avenue, Regal, Bonneville, Electra, Reatta, Riviera, 98, Delta 88, and Toronado
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Overview of ATP Parts OE Replacement Balancer 102068

The ATP Parts OE Replacement Balancer 102068 is engineered to restore proper engine harmonic balance for select Buick, Oldsmobile, and Pontiac models. Designed as a standard replacement, this engine harmonic balancer supports serpentine drive belt systems and ensures smooth engine operation.

  • Inside diameter options: 1.3125 inches (33 mm)
  • Outside diameter options: 6.9375 inches (176 mm)
  • Depth measurements: 3.375 inches (85 mm)
  • Three pulley grooves for serpentine belt compatibility
  • Three mounting holes for secure installation
  • Standard replacement grade type
  • Does not include bolt and washer

Product Line Details: OE Replacement Balancer

The OE Replacement Balancer line by ATP Parts focuses on providing direct-fit harmonic balancers that meet original equipment specifications. This product line is designed to offer reliable engine vibration dampening and maintain proper crankshaft function without requiring modifications. The 102068 balancer is part of this line, ensuring compatibility and performance for the specified vehicle applications.

Detailed Product Description

This engine harmonic balancer features a 1.3125 inch (33 mm) inside diameter and a 6.9375 inch (176 mm) outside diameter, with a depth of 3.375 inches (85 mm). It includes three pulley grooves designed for serpentine drive belts, which are common in the targeted Buick, Oldsmobile, and Pontiac models. The balancer has three mounting holes to secure it firmly to the crankshaft. As a standard replacement grade part, it is intended to restore the original balance and reduce engine vibrations effectively.

Compatible Vehicles and Applications

  • Buick models including LeSabre, Park Avenue, and Riviera
  • Oldsmobile models such as Delta 88 and 98
  • Pontiac models including Bonneville, Grand Prix, Reatta, Regal, and Toronado
  • Engine cylinder block component replacement for improved harmonic balance
  • Replacement for worn or damaged harmonic balancers causing engine vibration or belt misalignment

Installation Notes and Tips

  • Ensure the crankshaft surface is clean and free of debris before installation
  • Verify the inside diameter matches the crankshaft journal for proper fit
  • Use appropriate torque specifications for mounting bolts (not included)
  • Inspect serpentine belt condition and alignment during installation
  • Professional installation is recommended to maintain engine timing and balance

Quality Assurance and Warranty

ATP Parts OE Replacement Balancer 102068 is manufactured to meet original equipment standards for fit and function. While the product does not include mounting hardware, it is designed for durability and reliable performance in compatible Buick, Oldsmobile, and Pontiac vehicles. Warranty coverage details should be confirmed with the parts provider or manufacturer.

This part fits 50 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1991BuickLeSabre3.8LV6N/A6 Grooves, Serpentine Part Type, Outer Diameter 7 1/8 in; OE Replacement Balancer
1991BuickLeSabre3.8LV6N/AFitment: Engine Harmonic Balancer with 6 groove qty, serpentine part type, and 7 1/8" outer diameter.; OE Replacement Balancer
1991BuickPark Avenue3.8LV6N/A6 Grooves, Serpentine Part Type, Outer Diameter 7 1/8 in; OE Replacement Balancer
1991BuickPark Avenue3.8LV6N/AFitment: Engine Harmonic Balancer with 6 groove qty, serpentine part type, and 7 1/8" outer diameter.; OE Replacement Balancer
1991BuickRegal3.8LV6N/A6 Grooves, Serpentine Part Type, Outer Diameter 7 1/8 in; OE Replacement Balancer
1991BuickRegal3.8LV6N/AFitment: Engine Harmonic Balancer with 6 groove qty, serpentine part type, and 7 1/8" outer diameter.; OE Replacement Balancer
1991PontiacBonneville3.8LV6N/A6 Grooves, Serpentine Part Type, Outer Diameter 7 1/8 in; OE Replacement Balancer
1991PontiacBonneville3.8LV6N/AFitment: Engine Harmonic Balancer with 6 groove qty, serpentine part type, and 7 1/8" outer diameter.; OE Replacement Balancer
1990BuickLeSabre3.8LV6N/A6 Grooves, Serpentine Part Type, Outer Diameter 7 1/8 in; OE Replacement Balancer
1990BuickLeSabre3.8LV6N/AFitment: Engine Harmonic Balancer with 6 groove qty, serpentine part type, and 7 1/8" outer diameter.; OE Replacement Balancer
1990BuickReatta3.8LV6N/A6 Grooves, Serpentine Part Type, Outer Diameter 7 1/8 in; OE Replacement Balancer
1990BuickReatta3.8LV6N/AFitment: Engine Harmonic Balancer with 6 groove qty, serpentine part type, and 7 1/8" outer diameter.; OE Replacement Balancer
1990BuickRiviera3.8LV6N/A6 Grooves, Serpentine Part Type, Outer Diameter 7 1/8 in; OE Replacement Balancer
1990BuickRiviera3.8LV6N/AFitment: Engine Harmonic Balancer with 6 groove qty, serpentine part type, and 7 1/8" outer diameter.; OE Replacement Balancer
1990Oldsmobile983.8LV6N/A6 Grooves, Serpentine Part Type, Outer Diameter 7 1/8 in; OE Replacement Balancer
1990Oldsmobile983.8LV6N/AFitment: Engine Harmonic Balancer with 6 groove qty, serpentine part type, and 7 1/8" outer diameter.; OE Replacement Balancer
1990OldsmobileDelta 883.8LV6N/A6 Grooves, Serpentine Part Type, Outer Diameter 7 1/8 in; OE Replacement Balancer
1990OldsmobileDelta 883.8LV6N/AFitment: Engine Harmonic Balancer with 6 groove qty, serpentine part type, and 7 1/8" outer diameter.; OE Replacement Balancer
1990OldsmobileToronado3.8LV6N/A6 Grooves, Serpentine Part Type, Outer Diameter 7 1/8 in; OE Replacement Balancer
1990OldsmobileToronado3.8LV6N/AFitment: Engine Harmonic Balancer with 6 groove qty, serpentine part type, and 7 1/8" outer diameter.; OE Replacement Balancer
1990PontiacBonneville3.8LV6N/A6 Grooves, Serpentine Part Type, Outer Diameter 7 1/8 in; OE Replacement Balancer
1990PontiacBonneville3.8LV6N/AFitment: Engine Harmonic Balancer with 6 groove qty, serpentine part type, and 7 1/8" outer diameter.; OE Replacement Balancer
1989BuickLeSabre3.8LV6N/A6 Grooves, Serpentine Part Type, Outer Diameter 7 1/8 in; OE Replacement Balancer
1989BuickLeSabre3.8LV6N/AFitment: Engine Harmonic Balancer with 6 groove qty, serpentine part type, and 7 1/8" outer diameter.; OE Replacement Balancer
1989BuickReatta3.8LV6N/A6 Grooves, Serpentine Part Type, Outer Diameter 7 1/8 in; OE Replacement Balancer
1989BuickReatta3.8LV6N/AFitment: Engine Harmonic Balancer with 6 groove qty, serpentine part type, and 7 1/8" outer diameter.; OE Replacement Balancer
1989BuickRiviera3.8LV6N/A6 Grooves, Serpentine Part Type, Outer Diameter 7 1/8 in; OE Replacement Balancer
1989BuickRiviera3.8LV6N/AFitment: Engine Harmonic Balancer with 6 groove qty, serpentine part type, and 7 1/8" outer diameter.; OE Replacement Balancer
1989Oldsmobile983.8LV6N/A6 Grooves, Serpentine Part Type, Outer Diameter 7 1/8 in; OE Replacement Balancer
1989Oldsmobile983.8LV6N/AFitment: Engine Harmonic Balancer with 6 groove qty, serpentine part type, and 7 1/8" outer diameter.; OE Replacement Balancer
1989OldsmobileDelta 883.8LV6N/A6 Grooves, Serpentine Part Type, Outer Diameter 7 1/8 in; OE Replacement Balancer
1989OldsmobileDelta 883.8LV6N/AFitment: Engine Harmonic Balancer with 6 groove qty, serpentine part type, and 7 1/8" outer diameter.; OE Replacement Balancer
1989OldsmobileToronado3.8LV6N/A6 Grooves, Serpentine Part Type, Outer Diameter 7 1/8 in; OE Replacement Balancer
1989OldsmobileToronado3.8LV6N/AFitment: Engine Harmonic Balancer with 6 groove qty, serpentine part type, and 7 1/8" outer diameter.; OE Replacement Balancer
1989PontiacBonneville3.8LV6N/A6 Grooves, Serpentine Part Type, Outer Diameter 7 1/8 in; OE Replacement Balancer
1989PontiacBonneville3.8LV6N/AFitment: Engine Harmonic Balancer with 6 groove qty, serpentine part type, and 7 1/8" outer diameter.; OE Replacement Balancer
1988BuickLeSabre3.8LV6N/A6 Grooves, Serpentine Part Type, Outer Diameter 7 1/8 in; OE Replacement Balancer
1988BuickLeSabre3.8LV6N/AFitment: Engine Harmonic Balancer with 6 groove qty, serpentine part type, and 7 1/8" outer diameter.; OE Replacement Balancer
1988BuickReatta3.8LV6N/A6 Grooves, Serpentine Part Type, Outer Diameter 7 1/8 in; OE Replacement Balancer
1988BuickReatta3.8LV6N/AFitment: Engine Harmonic Balancer with 6 groove qty, serpentine part type, and 7 1/8" outer diameter.; OE Replacement Balancer
1988BuickRiviera3.8LV6N/A6 Grooves, Serpentine Part Type, Outer Diameter 7 1/8 in; OE Replacement Balancer
1988BuickRiviera3.8LV6N/AFitment: Engine Harmonic Balancer with 6 groove qty, serpentine part type, and 7 1/8" outer diameter.; OE Replacement Balancer
1988Oldsmobile983.8LV6N/A6 Grooves, Serpentine Part Type, Outer Diameter 7 1/8 in; OE Replacement Balancer
1988Oldsmobile983.8LV6N/AFitment: Engine Harmonic Balancer with 6 groove qty, serpentine part type, and 7 1/8" outer diameter.; OE Replacement Balancer
1988OldsmobileDelta 883.8LV6N/A6 Grooves, Serpentine Part Type, Outer Diameter 7 1/8 in; OE Replacement Balancer
1988OldsmobileDelta 883.8LV6N/AFitment: Engine Harmonic Balancer with 6 groove qty, serpentine part type, and 7 1/8" outer diameter.; OE Replacement Balancer
1988OldsmobileToronado3.8LV6N/A6 Grooves, Serpentine Part Type, Outer Diameter 7 1/8 in; OE Replacement Balancer
1988OldsmobileToronado3.8LV6N/AFitment: Engine Harmonic Balancer with 6 groove qty, serpentine part type, and 7 1/8" outer diameter.; OE Replacement Balancer
1988PontiacBonneville3.8LV6N/A6 Grooves, Serpentine Part Type, Outer Diameter 7 1/8 in; OE Replacement Balancer
1988PontiacBonneville3.8LV6N/AFitment: Engine Harmonic Balancer with 6 groove qty, serpentine part type, and 7 1/8" outer diameter.; 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:

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