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Engineered to use the stock mounting bracket, Kit includes a pulley to fit a 5/8\" wide belt, Designed to retain the original generator appearance, Puts out 65 amp idle, 75 amp cruise, and 90 at amp top end, Specifically designed for the 1939-1948 Flathead Ford engines Powermaster 282011 PowerGEN 1939-48 Flathead Ford Alternator, Polished Sku # 91067160-POL Mfr. Part # 282011 Condition New Brand Powermaster Sold Each Details
If you like traditional looks and modern performance, you’re gonna love this cool Flathead 1-wire alternator. It has the look of an original generator, but is really a 12-volt, negative-ground alternator that produces 65 amps at idle and 75 amps going down the road.
Designed to fit 1939-1948 Ford & Mercury Cars and 1939-1947 Ford Trucks with Flathead V8s. These feature a simple one-wire hookup and are available in black or polished aluminum.
- Retains original generator appearance
- Easy one-wire hookup
- 65 amp idle, 75 amp cruise, 90 amp top end
- Uses stock mounting bracket
- Includes pulley for 5/8\" wide belt
- Pulleys for 3/8\" wide belt available amps max
- 7" length from front to back
- Case can be shortened for additonal clearance
- Case diameter is 1/4" larger than a stock generator
Specs One Wire Alternator Yes Alternator Case Style Generator Alternator Amperage 90 amp Voltage Required 12-Volt Regulator Internal Regulator Style Internal Alternator Finish Polished Regulator Included Yes Alternator Material Aluminum Alternator Pulley Included Yes Belt Width 0.625" Alternator Brackets Included No Overall Length 7" Color Polished Sold in Quantity Each MFG. Part # 282011 Notes Made in the USA GTIN Code 692209010791 Belt Included No Pulley Style V-belt Belt Type V-Belt Reviews I might buy this again Rated by Ian on June 15, 2026
Summary: Used as it should be used
No, I would not recommend this product.
Nice bracket feature Rated by Mike on January 22, 2024
Summary: Alternator looks like original but incorporates ability to add fan on the bracket. Nice!
Yes, I recommend this product.
Mount on 59AB flathead Rated by QS Pinball on September 17, 2023
Summary: Works well. Good fit. I had to replace the Polly for the fan with Offenhauser Fan / Alternator Polly#560-10999
Yes, I recommend this product.
worth the money Rated by mrroylc on March 15, 2020
Summary: looks and works great
Great product it has the looks and performs really well Rated by VeeGee on April 13, 2018
Summary: Speedway has a great selections of Flathead parts
Yes, I recommend this product.
Related Items / Suggested Parts Powermaster 282021 PowerGEN 1949-53 Flathead Ford Alternator, Polished Powermaster 82021 PowerGEN 1949-53 Flathead Ford Alternator, Plain Powermaster 82011 PowerGEN 1939-48 Flathead Ford Alternator, Plain Powermaster PowerGEN 1949-53 Flathead Ford 1-Wire Alternators, 12-Volt Powermaster PowerGEN 1939-48 Flathead Ford 1-Wire Alternators, 12-Volt Powermaster 82011 12V PowerGEN 39-48 Flathead Alt, Neg. Ground 1939-1948 Ford Flathead Generator Cover, 1-Hole, Stainless Tech Support We\'re here to help before and after your purchase. If you have a question or need assistance with one of our products, please contact us through Messaging and a knowledgeable Speedway Motors team member will be happy to help. About Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 74 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.
