OE Quality
60-Day Returns

Dorman 594-428 Engine Harmonic Balancer
Overview of Dorman Engine Harmonic Balancer 594-428
The Dorman 594-428 engine harmonic balancer is designed for Chrysler and Dodge vehicles, including the 300, Challenger, Charger, and Magnum models. This component helps reduce engine vibration and ensures smooth operation of the serpentine drive belt system.
- Inside diameter: 28.19 mm
- Outside diameter: 185 mm
- Depth: 53.3 mm
- Six pulley grooves for serpentine belt compatibility
- Single mounting hole design
- Black finish for corrosion resistance
- Grade type: Regular
- No center bolt or washers included
Detailed Product Description
The Dorman 594-428 harmonic balancer is engineered to meet the specifications required for select Chrysler and Dodge vehicles, including the 300, Challenger, Charger, and Magnum. Featuring a 28.19 mm inside diameter and a 185 mm outside diameter, this balancer is designed to fit precisely on the crankshaft, providing effective vibration dampening. The six pulley grooves accommodate serpentine drive belts, ensuring proper belt alignment and tension. With a depth of 53.3 mm and a single mounting hole, installation aligns with factory standards. The black finish offers protection against corrosion and wear, maintaining durability over time.
Common Applications and Problem Resolution
- Reduces crankshaft vibration to prevent engine damage
- Maintains proper serpentine belt alignment and tension
- Prevents premature wear of engine components linked to harmonic imbalance
- Addresses noise and vibration issues related to faulty balancers
- Supports engine longevity by stabilizing rotating assembly
Installation Notes and Tips
- Ensure the crankshaft and mounting surfaces are clean before installation
- Verify the balancer’s inside diameter matches the crankshaft size
- Use proper torque specifications for the mounting bolt (not included)
- Inspect serpentine belt condition and alignment during installation
- Professional installation is recommended for accurate fitment and safety
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 594-428 harmonic balancer undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.
| Brand | Dorman |
| Part Number | 594-428 |
| Bolt And Washer Included | No |
| Center Bolt Included | No |
| Color/Finish | Black |
| Degree Markings | No |
| Depth | 53.3 |
| Drive Belt Type | Serpentine |
| Grade Type | Regular |
| Inside Diameter | 28.19 |
| Mounting Hole Quantity | 1 |
| Outside Diameter | 185 |
| Package Contents | Harmonic Balancer |
| Pulley Groove Quantity | 6 |
This part fits 17 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2010 | Chrysler | 300 | 3.5L | V6 | N/A | |
| 2010 | Dodge | Challenger | 3.5L | V6 | N/A | |
| 2010 | Dodge | Charger | 3.5L | V6 | N/A | |
| 2009 | Chrysler | 300 | 3.5L | V6 | N/A | |
| 2009 | Dodge | Challenger | 3.5L | V6 | N/A | |
| 2009 | Dodge | Charger | 3.5L | V6 | N/A | |
| 2008 | Chrysler | 300 | 3.5L | V6 | N/A | |
| 2008 | Dodge | Charger | 3.5L | V6 | N/A | |
| 2008 | Dodge | Magnum | 3.5L | V6 | N/A | |
| 2007 | Chrysler | 300 | 3.5L | V6 | N/A | |
| 2007 | Dodge | Charger | 3.5L | V6 | N/A | |
| 2007 | Dodge | Magnum | 3.5L | V6 | N/A | |
| 2006 | Chrysler | 300 | 3.5L | V6 | N/A | |
| 2006 | Dodge | Charger | 3.5L | V6 | N/A | |
| 2006 | Dodge | Magnum | 3.5L | V6 | N/A | |
| 2005 | Chrysler | 300 | 3.5L | V6 | N/A | |
| 2005 | Dodge | Magnum | 3.5L | 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.