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Dorman 594-424 Engine Harmonic Balancer
Overview of Dorman Engine Harmonic Balancer 594-424
The Dorman Engine Harmonic Balancer 594-424 is designed for reliable performance in select Buick and Pontiac vehicles. Engineered to meet OEM specifications, this harmonic balancer helps maintain engine smoothness and reduce vibration in models like the Buick Park Avenue and Pontiac Grand Prix.
- Inside diameter: 28.95 mm
- Outside diameter: 182 mm
- Depth: 92.8 mm
- Six pulley grooves for serpentine drive belts
- Single mounting hole design
- Black finish for corrosion resistance
- Includes harmonic balancer, key, and instruction sheet
- Does not include bolt, washer, or center bolt
Detailed Product Description
This Dorman harmonic balancer (part number 594-424) is specifically engineered for use with serpentine drive belt systems, featuring six pulley grooves to accommodate multiple belt configurations. The balancer’s 28.95 mm inside diameter and 182 mm outside diameter ensure a precise fit on the crankshaft, while the 92.8 mm depth provides the necessary mass to dampen engine vibrations effectively. Its single mounting hole design simplifies installation, and the black finish offers durability against environmental factors. This component is compatible with Buick Bonneville, Pontiac Grand Prix, and Buick Park Avenue models, providing a direct replacement that supports engine longevity and smooth operation.
Common Applications and Problem Resolution
- Reduces crankshaft vibration and engine noise
- Prevents premature wear of engine components
- Maintains proper alignment of serpentine drive belts
- Addresses issues related to pulley misalignment or damage
- Helps avoid engine performance problems caused by harmonic imbalance
Installation Notes and Tips
- Ensure the crankshaft and mounting surfaces are clean before installation
- Use the included key to align the balancer correctly on the crankshaft
- Torque mounting hardware to manufacturer specifications (note: bolt and washer not included)
- Verify serpentine belt routing and tension after installation
- Consult the instruction sheet provided for detailed installation guidance
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards, ensuring reliable fit and function. While this harmonic balancer does not include mounting hardware, it is backed by Dorman’s quality control processes. Please refer to Dorman’s official warranty policy for coverage details.
| Brand | Dorman |
| Part Number | 594-424 |
| Bolt And Washer Included | No |
| Center Bolt Included | No |
| Color/Finish | Black |
| Degree Markings | No |
| Depth | 92.8 |
| Drive Belt Type | Serpentine |
| Grade Type | Regular |
| Inside Diameter | 28.95 |
| Mounting Hole Quantity | 1 |
| Outside Diameter | 182 |
| Package Contents | Harmonic Balancer; Key; Instruction Sheet |
| Pulley Groove Quantity | 6 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2007 | Pontiac | Grand Prix | 3.8L | V6 | N/A | |
| 2006 | Pontiac | Grand Prix | 3.8L | V6 | N/A | |
| 2005 | Buick | Park Avenue | 3.8L | V6 | N/A | |
| 2005 | Pontiac | Grand Prix | 3.8L | V6 | N/A | |
| 2004 | Buick | Park Avenue | 3.8L | V6 | N/A | |
| 2004 | Pontiac | Grand Prix | 3.8L | V6 | N/A | |
| 2003 | Buick | Park Avenue | 3.8L | V6 | N/A | |
| 2003 | Pontiac | Bonneville | 3.8L | V6 | N/A | |
| 2002 | Buick | Park Avenue | 3.8L | V6 | N/A | |
| 2002 | Pontiac | Bonneville | 3.8L | V6 | N/A | |
| 2001 | Buick | Park Avenue | 3.8L | V6 | N/A | |
| 2001 | Pontiac | Bonneville | 3.8L | 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.