Powermaster Race Alternators 8003 Alternator, Internal Regulator, 70 Amp, Natural, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each
Powermaster Race Alternators 8003 Alternator, Internal Regulator, 70 Amp, Natural, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each
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Description
IMPORTANT NOTICE: Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.Reference Information Reference Data (Provide these details to our support team) Brand Name/s Powermaster StreetFX SKU pwm8003 SFX Item ID 5072365 Accounting SKU pwm-8003 Manufacturer SKU 8003 Manufacturer UPC 692209000945 Alternative References PWM-8003
Alternator - GM Style Race - 12SI - 85 amps - 12V - 1-Wire / 3-Wire - Single V-Belt Pulley - Straight Mount - Aluminum Case - Natural - GM - Each
Data: v2 - Desc: v4.2 - Upd: 2026-10-14 03:23:46
Part Type
GM 12SI Alternator- 85 Amps w/1V pulleylley
Specifications
Alternator, Internal Regulator, 70 Amp, Natural, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each
Powermaster race alternators supply horsepower for your ride by ensuring the electrical and ignition systems have enough voltage to operate properly. This means your battery stays fully charged and predictable—you don't have to worry about your car not starting at race time. They feature a variety of high-amperage ratings, one-wire hookup, a gold battery post, and a heat-dispersant coating. Some models also include a pulley. Order the alternator designed for your vehicle application.
| Product Attributes | |
|---|---|
| Brand | Powermaster |
| Manufacturer's Part Number | 8003 |
| Part Type | Alternators and Generators |
| Product Line | Powermaster Race Alternators |
| UPC | 692209000945 |
| Remanufactured | No |
| Alternator Case Style | GM 10SI/10DN/12SI |
| Advertised Amperage Output | 70 amps |
| Color | Natural |
| Finish | Natural |
| Voltage Compatibility | 12 |
| One-Wire Capable | Yes |
| Pulley Included | Yes |
| Pulley Style | V-belt |
| Regulator Included | Yes |
| Alternator Regulator Location | Internal |
| Belt Included | No |
| Alternator Brackets Included | No |
| Quantity | Sold individually. |
Reference Information
| Brand Name/s | Powermaster |
|---|---|
| StreetFX SKU | pwm8003 |
| SFX Item ID | 5072365 |
| Supplier Item Code | 5072365 |
| Manufacturer SKU | 8003 |
| Manufacturer UPC | 692209000945 |
Compatibility
No specific fitment data available for this part. For clarification, please contact us.
Detailed Compatibility
| Application Data | |
|---|---|
| Make | BUICK |
| Model | APOLLO |
| Beginning Year | 1973 |
| Ending Year | 1974 |
| Engine Type | V8 |
| Engine Family | Buick V8 |
| Engine Size | 5.7L/350 |
| Make | BUICK |
| Model | APOLLO |
| Beginning Year | 1973 |
| Ending Year | 1975 |
| Engine Type | V8 |
| Engine Family | Oldsmobile V8 |
| Engine Size | 5.7L/350 |
| Make | BUICK |
| Model | CENTURION |
| Beginning Year | 1971 |
| Ending Year | 1973 |
| Engine Type | V8 |
| Engine Family | Buick V8 |
| Engine Size | 7.5L/455 |
This may not be an exhaustive list of compatible vehicles. Please reach out to one of our representatives if you are unsure or do not see your vehicle here.
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