





⚡ Power up your ride with precision and style!
The ACDelco Professional C603Z Voltage Regulator is a premium aftermarket replacement designed to deliver precise voltage control, ensuring your vehicle’s electrical systems and accessories perform at their best. Manufactured to meet exact OEM fit, form, and function standards, it also reduces radio noise interference for a superior driving experience.












| Manufacturer | ACDelco |
| Brand | ACDelco |
| Model | ACDelco - Voltage Regulat (B) (C603Z) |
| Item Weight | 5.6 ounces |
| Product Dimensions | 4.7 x 2 x 4.1 inches |
| Item model number | C603Z |
| Exterior | Painted |
| Manufacturer Part Number | 12336870 |
| OEM Part Number | 12336870 |
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