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Dorman 594-087 Engine Harmonic Balancer
Overview of the Dorman Engine Harmonic Balancer 594-087
The Dorman Engine Harmonic Balancer 594-087 is designed for reliable performance in select Buick, Oldsmobile, and Pontiac vehicles. This harmonic balancer is engineered to reduce engine vibration and protect your engine’s crankshaft, ensuring smoother operation for models like the Buick Century and Pontiac Grand Am.
- Inside diameter: 34.87 mm
- Outside diameter: 176 mm
- Six pulley grooves for serpentine drive belts
- Single mounting hole with bolt and washer included
- Depth of 92.5 mm with degree markings for precise installation
- Black finish for corrosion resistance
- Includes balancer, woodruff key, and instruction sheet
Detailed Product Description
The Dorman 594-087 engine harmonic balancer is a critical component for maintaining engine balance and reducing torsional vibration in engines of Buick Achieva, Oldsmobile Cutlass Ciera, and Pontiac Skylark models. Featuring a regular grade type construction, this balancer supports serpentine drive belt systems with six pulley grooves, accommodating multiple accessory drives. The balancer’s 34.87 mm inside diameter and 176 mm outside diameter ensure a precise fit on the crankshaft, while the 92.5 mm depth and degree markings facilitate accurate alignment during installation. The black finish provides durability against environmental factors, and the included bolt and washer simplify mounting. The package also contains a woodruff key and an instruction sheet to assist with proper setup.
Compatible Vehicles and Applications
This harmonic balancer is compatible with the following makes and models:
- Buick Achieva and Century
- Oldsmobile Cutlass Ciera and Cutlass Cruiser
- Pontiac Grand Am and Skylark
Common Issues Addressed by This Harmonic Balancer
- Excessive engine vibration causing premature wear
- Crankshaft stress and potential damage
- Drive belt misalignment or slippage
- Noise from unbalanced engine components
- Reduced engine performance due to harmonic imbalance
Installation Notes and Tips
- Ensure the crankshaft surface is clean and free of debris before installation
- Use the included bolt and washer to secure the balancer firmly
- Align the degree markings carefully to maintain engine timing accuracy
- Verify the woodruff key is properly seated to prevent slippage
- Consult the instruction sheet for torque specifications and detailed steps
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM specifications, providing dependable performance for your engine’s harmonic balancing needs. The 594-087 harmonic balancer undergoes rigorous quality control to ensure durability and fitment accuracy. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship.
| Brand | Dorman |
| Part Number | 594-087 |
| Bolt And Washer Included | Yes |
| Center Bolt Included | No |
| Color/Finish | Black |
| Degree Markings | Yes |
| Depth | 92.5 |
| Drive Belt Type | Serpentine |
| Grade Type | Regular |
| Inside Diameter | 34.87 |
| Mounting Hole Quantity | 1 |
| Outside Diameter | 176 |
| Package Contents | Balancer; Woodruff Key; Instruction Sheet |
| Pulley Groove Quantity | 6 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1993 | Buick | Century | 3.3L | V6 | N/A | |
| 1993 | Buick | Skylark | 3.3L | V6 | N/A | |
| 1993 | Oldsmobile | Achieva | 3.3L | V6 | N/A | |
| 1993 | Oldsmobile | Cutlass Ciera | 3.3L | V6 | N/A | |
| 1993 | Oldsmobile | Cutlass Cruiser | 3.3L | V6 | N/A | |
| 1993 | Pontiac | Grand Am | 3.3L | V6 | N/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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.