HomeEngine > Cylinder Block ComponentsDayco PB1083N Engine Harmonic Balancer
Part #: PB1083N

Dayco PB1083N Engine Harmonic Balancer

Premium OEM Replacement Balancer
⚙️ 21 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Premium OEM Replacement Balancer
🚗Fitment: Buick, Chevrolet, Oldsmobile, and Pontiac, LeSabre, Park Avenue, Regal, Riviera, Lumina APV, 88, 98, Silhouette, Toronado, Bonneville, Trans Sport, Reatta, and Delta 88
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Overview of Dayco Premium OEM Replacement Balancer PB1083N

The Dayco Premium OEM Replacement Balancer PB1083N is engineered for reliable performance in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Designed to meet OEM specifications, this engine harmonic balancer ensures proper crankshaft vibration dampening and pulley function for smooth engine operation.

  • Compatible with Buick, Chevrolet, Oldsmobile, and Pontiac models including 88, 98, Bonneville, Delta 88, LeSabre, Lumina APV, Park Avenue, Reatta, Regal, Riviera, Silhouette, Toronado, and Trans Sport
  • Part number PB1083N for precise identification and fitment
  • Hub weighted counterbalance for effective vibration control
  • Cast iron outer ring for durability and strength
  • Includes crank trigger/exciter plate for engine timing functions
  • Serpentine pulley with 6 grooves integrated for accessory drive
  • Installation instructions included for proper setup

Detailed Product Features and Specifications

The Dayco PB1083N harmonic balancer features a 3-bolt hole design and a crank bore diameter of 1.373 inches (34.86 mm), ensuring a secure fit on compatible crankshafts. The overall outside diameter measures 7.067 inches (179.50 mm) with a width of 3.365 inches (85.45 mm), providing the correct dimensions for the specified vehicle applications. The balancer includes one integrated serpentine pulley with six grooves and an outside diameter of approximately 6.93 inches (176 mm), supporting accessory belt routing. The outer ring is constructed from cast iron, offering resistance to wear and maintaining balance integrity over time. Additionally, the balancer incorporates a crank trigger/exciter plate, which is essential for engine management systems requiring crankshaft position signals.

About the Premium OEM Replacement Balancer Product Line

Dayco's Premium OEM Replacement Balancer line is designed to provide direct-fit replacements that meet original equipment manufacturer standards. This product line focuses on delivering components with precise dimensions, materials, and functional features to ensure compatibility and reliable engine performance. The PB1083N is part of this line, offering a balance of durability and exact fitment for the specified Buick, Chevrolet, Oldsmobile, and Pontiac models.

Common Applications and Problem Resolution

  • Reduces crankshaft vibration to prevent engine damage
  • Restores proper accessory belt alignment and tension
  • Eliminates noise caused by worn or damaged balancers
  • Supports accurate crankshaft position sensing for engine timing
  • Prevents premature wear of engine components related to harmonic imbalance

Installation Notes and Tips

  • Installation instructions are included to guide proper mounting and torque specifications
  • Hardware is not included; reuse existing bolts or source OEM-grade replacements
  • Ensure crankshaft and bore surfaces are clean and free of debris before installation
  • Verify pulley alignment and belt routing after installation to avoid premature wear

Quality Assurance and Warranty

Dayco Premium OEM Replacement Balancers are manufactured to meet stringent quality standards, ensuring durability and performance consistent with OEM requirements. Installation instructions are provided to support correct application. Warranty details should be confirmed with the point of purchase or manufacturer documentation.

BrandDayco
Part NumberPB1083N
PositionPremium OEM Replacement Balancer
Counterweight BalanceHub weighted
Crank Bore1.373
Crank Bore34.86
Crank Trigger/Exciter PlateYes
Hardware IncludedNo
Installation Instructions IncludedYes
Nose Outside Diameter1.934
Nose Outside Diameter49.12
Number of Integrated Pulleys1
Outer Ring MaterialCast Iron
Overall Outside Diameter7.067
Overall Outside Diameter179.50
Overall Width3.365
Overall Width85.45
Pulley 1 Number Of Grooves6
Pulley 1 Outside Diameter6.930
Pulley 1 Outside Diameter176.000
Pulley 1 TypeSerpentine
Ring Width1.910
Ring Width48.49
Timing MarksNo
Woodruff Key IncludedNo

This part fits 21 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1992BuickLeSabreN/APremium OEM Replacement Balancer
1992BuickPark AvenueN/APremium OEM Replacement Balancer
1992BuickRegal3.8LV6N/APremium OEM Replacement Balancer
1992BuickRivieraN/APremium OEM Replacement Balancer
1992ChevroletLumina APV3.8LV6N/APremium OEM Replacement Balancer
1992Oldsmobile88N/APremium OEM Replacement Balancer
1992Oldsmobile98N/APremium OEM Replacement Balancer
1992OldsmobileSilhouette3.8LV6N/APremium OEM Replacement Balancer
1992OldsmobileToronadoN/APremium OEM Replacement Balancer
1992PontiacBonnevilleN/APremium OEM Replacement Balancer
1992PontiacTrans Sport3.8LV6N/APremium OEM Replacement Balancer
1991BuickLeSabreN/APremium OEM Replacement Balancer
1991BuickPark AvenueN/APremium OEM Replacement Balancer
1991BuickReattaN/APremium OEM Replacement Balancer
1991BuickRegal3.8LV6N/APremium OEM Replacement Balancer
1991BuickRivieraN/APremium OEM Replacement Balancer
1991Oldsmobile98N/APremium OEM Replacement Balancer
1991OldsmobileDelta 88N/APremium OEM Replacement Balancer
1991OldsmobileToronadoN/APremium OEM Replacement Balancer
1991PontiacBonnevilleN/APremium OEM Replacement Balancer
1990BuickRegal3.8LV6N/APremium OEM 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:

102072

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