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Dayco PB1083N Engine Harmonic Balancer
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.
| Brand | Dayco |
| Part Number | PB1083N |
| Position | Premium OEM Replacement Balancer |
| Counterweight Balance | Hub weighted |
| Crank Bore | 1.373 |
| Crank Bore | 34.86 |
| Crank Trigger/Exciter Plate | Yes |
| Hardware Included | No |
| Installation Instructions Included | Yes |
| Nose Outside Diameter | 1.934 |
| Nose Outside Diameter | 49.12 |
| Number of Integrated Pulleys | 1 |
| Outer Ring Material | Cast Iron |
| Overall Outside Diameter | 7.067 |
| Overall Outside Diameter | 179.50 |
| Overall Width | 3.365 |
| Overall Width | 85.45 |
| Pulley 1 Number Of Grooves | 6 |
| Pulley 1 Outside Diameter | 6.930 |
| Pulley 1 Outside Diameter | 176.000 |
| Pulley 1 Type | Serpentine |
| Ring Width | 1.910 |
| Ring Width | 48.49 |
| Timing Marks | No |
| Woodruff Key Included | No |
This part fits 21 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1992 | Buick | LeSabre | N/A | Premium OEM Replacement Balancer | ||
| 1992 | Buick | Park Avenue | N/A | Premium OEM Replacement Balancer | ||
| 1992 | Buick | Regal | 3.8L | V6 | N/A | Premium OEM Replacement Balancer |
| 1992 | Buick | Riviera | N/A | Premium OEM Replacement Balancer | ||
| 1992 | Chevrolet | Lumina APV | 3.8L | V6 | N/A | Premium OEM Replacement Balancer |
| 1992 | Oldsmobile | 88 | N/A | Premium OEM Replacement Balancer | ||
| 1992 | Oldsmobile | 98 | N/A | Premium OEM Replacement Balancer | ||
| 1992 | Oldsmobile | Silhouette | 3.8L | V6 | N/A | Premium OEM Replacement Balancer |
| 1992 | Oldsmobile | Toronado | N/A | Premium OEM Replacement Balancer | ||
| 1992 | Pontiac | Bonneville | N/A | Premium OEM Replacement Balancer | ||
| 1992 | Pontiac | Trans Sport | 3.8L | V6 | N/A | Premium OEM Replacement Balancer |
| 1991 | Buick | LeSabre | N/A | Premium OEM Replacement Balancer | ||
| 1991 | Buick | Park Avenue | N/A | Premium OEM Replacement Balancer | ||
| 1991 | Buick | Reatta | N/A | Premium OEM Replacement Balancer | ||
| 1991 | Buick | Regal | 3.8L | V6 | N/A | Premium OEM Replacement Balancer |
| 1991 | Buick | Riviera | N/A | Premium OEM Replacement Balancer | ||
| 1991 | Oldsmobile | 98 | N/A | Premium OEM Replacement Balancer | ||
| 1991 | Oldsmobile | Delta 88 | N/A | Premium OEM Replacement Balancer | ||
| 1991 | Oldsmobile | Toronado | N/A | Premium OEM Replacement Balancer | ||
| 1991 | Pontiac | Bonneville | N/A | Premium OEM Replacement Balancer | ||
| 1990 | Buick | Regal | 3.8L | V6 | N/A | Premium 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.