Powermaster
Powermaster Alternator Race Prepped 150A B - 8142
Powermaster Alternator Race Prepped 150A B - 8142
Regular price
$473.99 USD
Regular price
Sale price
$473.99 USD
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Alternator Race Prepped 150A B by Powermaster. Check the part number and details below against what you are replacing. Ignition parts are routine maintenance and among the easiest ways to restore smooth running.
Quick facts
- Brand: Powermaster
- Part type: Ignition part
- Part number: 8142
Specifications
- High Output: 150 amps
- Weight: 11.23 lbs
Tip: Set the spark plug gap to your engine spec and do not over-torque plugs in aluminum heads.

Before you order: fitment and what to plan
The alternator charges the battery and powers the car while it runs; the starter turns the engine over.
Fitment notes
- Specs, lead time and warranty come from Powermaster and can change. The details above this guide are the latest we have.
Not sure it fits? Message us your vehicle details and we'll double-check fitment before you buy.
Ask about fitmentPlan the whole job
- Battery. A weak battery is hard on a new alternator.
- Drive belt. A slipping belt mimics a bad alternator.
More for your car: Batteries & electrical · Batteries & electrical
Questions about charging part
Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
How do I know if it is the battery or the alternator?
A parts store or multimeter test of voltage with the engine off and running tells you.
Where do specs and warranty details come from?
From Powermaster. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
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