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Powermaster 57294 AlternatorAlternator Alternator; 12si; 150 Amp; 100 Idle; 1 Groove V Type; Baffle; Black; SPECIFICATIONS:
FEATURES:
Powermaster has a variety of alternators available for various applications. Manufacturer of starters and alternators for racing and show cars Fits what vehicles: 1962-1986 Pontiac Bonneville, 1962-1987 Pontiac Grand Prix, 1963-1979 Buick Electra, 1963 Buick Invicta, 1963-1979 Buick LeSabre, 1963-1978 Buick Riviera, 1963-1970 Buick Wildcat, 1963-1979 Cadillac DeVille, 1963-1979 Cadillac Eldorado, 1963-1964 Cadillac Series 60 Fleetwood, 1963-1964 Cadillac Series 62, 1963-1964 Cadillac Series 75 Fleetwood, 1963-1975 Chevrolet Bel Air, 1963-1967 Chevrolet C10 Panel, 1963-1974 Chevrolet C10 Pickup, 1963-1974 Chevrolet C20 Pickup, 1963-1974 Chevrolet C30 Pickup, 1963-1968 Chevrolet Chevy II, 1963-1982 Chevrolet Corvette, 1963-1979 Chevrolet Impala, 1963-1974 Chevrolet K10 Pickup, 1963-1974 Chevrolet K20 Pickup, 1963-1966 Chevrolet Suburban, 1963-1981 Oldsmobile Cutlass, 1964-1972 Buick Sportwagon, 1964-1973 Chevrolet Chevelle, 1984-1986 Chevrolet Corvette, 1964-1987 Chevrolet El Camino, 1964-1974 Chevrolet G10 Van, 1964-1967 Chevrolet Malibu, 1964-1966 GMC G1000 Series, 1965-1976 Cadillac Calais, 1965-1979 Cadillac Fleetwood, 1965-1971 Pontiac GTO, 1966-1988 Chevrolet Caprice, 1966-1974 GMC K15/K1500 Pickup, 1985-1987 Oldsmobile Cutlass, 1967-1986 Chevrolet C10 Suburban, 1967 Chevrolet C20 Panel, 1967-1986 Chevrolet C20 Suburban, 1967-1986 Chevrolet Camaro, 1967-1974 Chevrolet G20 Van, 1967-1986 Chevrolet K10 Suburban, 1967-1986 Chevrolet K20 Suburban, 1967-1974 GMC C15/C1500 Pickup, 1967-1974 GMC C15/C1500 Suburban, 1967-1974 GMC C25/C2500 Pickup, 1967-1974 GMC C25/C2500 Suburban, 1967-1974 GMC C35/C3500 Pickup, 1967-1974 GMC G15/G1500 Van, 1967-1974 GMC G25/G2500 Van, 1967-1974 GMC K15/K1500 Suburban, 1967-1974 GMC K25/K2500 Pickup, 1967-1974 GMC K25/K2500 Suburban, 1967-1988 Oldsmobile Cutlass Supreme, 1967-1986 Pontiac Firebird, 1968-1970 American Motors AMX, 1968-1974 American Motors Javelin, 1968-1969 Buick GS 350, 1968-1969 Buick GS 400, 1968-1974 Chevrolet K30 Pickup, 1968-1974 GMC K35/K3500 Pickup, 1969-1974 Chevrolet Blazer, 1973-1979 Chevrolet Malibu, 1969-1979 Chevrolet Nova, 1969-1971 International Scout, 1970-1978 American Motors Gremlin, 1970-1977 American Motors Hornet, 1970-1979 Buick Estate Wagon, 1970-1972 Buick GS, 1970-1972 Buick GS 455, 1970-1974 Chevrolet G30 Van, 1970-1988 Chevrolet Monte Carlo, 1970-1987 GMC Jimmy, 1971-1973 Buick Centurion, 1971-1974 GMC G35/G3500 Van, 1971 International Scout II, 1973-1979 Buick Century, 1973-1979 Buick Regal, 1973-1975 Pontiac Grand Am, 1978-1979 American Motors AMX, 1975-1986 Chevrolet C10, 1975-1986 Chevrolet C20, 1975-1986 Chevrolet C30, 1975-1986 Chevrolet G10, 1975-1990 Chevrolet G20, 1975-1990 Chevrolet G30, 1975-1986 Chevrolet K10, 1975-1986 Chevrolet K20, 1975-1986 Chevrolet K5 Blazer, 1975-1978 GMC C15, 1975-1978 GMC C15 Suburban, 1975-1978 GMC C25, 1975-1978 GMC C25 Suburban, 1975-1978 GMC C35, 1975-1978 GMC G15, 1975-1978 GMC G25, 1975-1978 GMC G35, 1975-1978 GMC K15, 1975-1978 GMC K15 Suburban, 1975-1978 GMC K25, 1975-1978 GMC K25 Suburban, 1976-1980 International Scout II, 1975-1991 Jeep Cherokee, 1975-1983 Jeep CJ5, 1975 Jeep CJ6, 1975-1988 Jeep J10, 1975-1980 Oldsmobile Cutlass Salon, 1978-1980 Pontiac Grand Am, 1976-1979 Cadillac Seville, 1976-1986 Jeep CJ7, 1976 Jeep J20, 1976 Oldsmobile Cutlass Tiara, 1976-1980 Pontiac Sunbird, 1977-1986 Chevrolet K30, 1977-1978 GMC K35, 1978-1988 Jeep J20, 1978-1987 GMC Caballero, 1978-1990 Jeep Wagoneer, 1979-1986 GMC C1500, 1979-1986 GMC C1500 Suburban, 1979-1986 GMC C2500, 1979-1986 GMC C2500 Suburban, 1979-1986 GMC C3500, 1979-1986 GMC G1500, 1979-1990 GMC G2500, 1979-1990 GMC G3500, 1979-1986 GMC K1500, 1979-1986 GMC K1500 Suburban, 1979-1986 GMC K2500, 1979-1986 GMC K2500 Suburban, 1979-1986 GMC K3500, 1985-1987 Oldsmobile Cutlass Salon, 1985 Pontiac Grand Am, 1988-1989 GMC C1500, 1988-1989 GMC C2500, 1988-1990 GMC C3500, 1988-1989 GMC K1500, 1988-1989 GMC K2500, 1988-1990 GMC K3500, 1987-1991 Chevrolet Blazer, 1981-1985 Jeep Scrambler, 1986 Pontiac Sunbird, 1982-1986 Chevrolet S10, 1982-1986 GMC S15, 1982-1986 Oldsmobile Cutlass Ciera, 1983-1986 Chevrolet Cavalier, 1983-1986 Chevrolet S10 Blazer, 1983-1986 GMC S15 Jimmy, 1984-1991 Jeep Grand Wagoneer, 1984-1987 Pontiac Fiero, 1985 Chevrolet Astro, 1985 GMC Safari, 1985 Pontiac J2000 Sunbird, 1986 Jeep Comanche, 1987 Chevrolet R10, 1987-1988 Chevrolet R10 Suburban, 1987-1988 Chevrolet R20, 1987-1988 Chevrolet R20 Suburban, 1987-1988 Chevrolet R30, 1987 Chevrolet V10, 1987-1988 Chevrolet V10 Suburban, 1987 Chevrolet V20, 1987-1988 Chevrolet V20 Suburban, 1987-1988 Chevrolet V30, 1987 GMC R1500, 1987 GMC R1500 Suburban, 1987-1989 GMC R2500, 1987 GMC R2500 Suburban, 1987-1990 GMC R3500, 1987 GMC V1500, 1987 GMC V1500 Suburban, 1987 GMC V2500, 1987 GMC V2500 Suburban, 1987-1990 GMC V3500, 1987-1990 Jeep Wrangler, 1988-1989 Chevrolet C1500, 1988-1989 Chevrolet C2500, 1988-1990 Chevrolet C3500, 1988-1989 Chevrolet K1500, 1988-1989 Chevrolet K2500, 1988-1990 Chevrolet K3500, 1989-1990 Chevrolet R1500 Suburban, 1989 Chevrolet R2500, 1989-1990 Chevrolet R2500 Suburban, 1989-1990 Chevrolet R3500, 1989-1990 Chevrolet V1500 Suburban, 1989-1990 Chevrolet V2500 Suburban, 1989-1990 Chevrolet V3500 |
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| We carry performance and replacement parts, along with every consumer item you’ll ever need. Take advantage of our huge distribution network in the United States and Canada, we're able to ship direct to you, so we can get your order into your hands faster than the competition. Our goal is to exceed your expectations. And we’ve built a system to do just that. | ![]() |
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Our company combines hard-core drag racers and auto enthusiasts with tech-savvy engineers and developers — all car lovers — to create a webstore that gives you an unmatched shopping experience — and we deliver it fast. Very fast. Unlike traditional brick-and-mortar retail outlets, our inventory isn’t limited to what we can pack into a storefront or what a counter clerk may be able to find. While they can only offer you hundreds of items, you’re just a few clicks away from millions of parts when you shop PartsHawk — all in stock and ready to ship. And since we don’t own any of those expensive stores, we can offer our parts for less, and that saves you money on every part, every day. A better shopping experience, for every product for every car, whenever you order. |
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SHIPPING POLICY
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RETURN POLICY PartsHawk stands behind every item we sell. Occasionally, there may be an issue with your item or your order and we will do our best to ensure you are 100% satisfied. We offer a 30 day exchange or refund policy on all orders. Within 30 days or receipt of your order you may request a return for either an exchange or a refund. All product returns must be in the original packaging, have not been used, installed or damaged due to improper installation. All parts, hardware, documents and instructions must be included in the returns. PartsHawk will also support the manufacture’s warranty for all item during the warranty period offered by the manufacturer. |
| Carriers and Ship Methods: We ship most packages to the contiguous 48 states using USPS, UPS or FedEx. Upon shipping we determine the closest distribution center to you and the quickest method. | Note: We do not accept returns for Car Computers, Performance tuners or Vehicle Programmers. If the product is defective we will exchange the unit for the exact item. No new returns on these products. |
| Large Parcel Items: For large items (bumpers, side steps, bed covers, etc.), these may be shipped through a truck delivery service. If you are having issues tracking your package please contact us so we can assist you. |
Return Check List
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| GLOBAL SHIPPING PROGRAM
How does shipping work? Placing an order outside the US is easy! In fact, eBay handles the entire transaction for you once we have shipped the product to their warehouse in Kentucky. Once the order has shipped you will receive a tracking number from our warehouse to Kentucky and then another tracking number from Kentucky to you. Additional Charges and Fees Additional shipping, duties and taxes will be calculated by eBay during check out. |
Outside the US? Don't worry, PartsHawk is currently shipping to over 100 countries
Check the Shipping and Payments section above to see if this item can be shipped to you. |
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| What if my order shows shipped but the package is not moving?
At times there is a delay in the carrier’s tracking for updates. Please allow up to 24 hours for your tracking to update. If you still do not see any movement, please contact our Customer Service Department and we will be happy to assist. |
What if I am not available when the carrier tries to deliver?
If there is no response when the package arrives, the driver may leave the package nearest to the street or make a second delivery attempt on the next business day. Please check your tracking info as it will let you know the next steps for delivery attempt. |
How can I get a copy of my receipt or invoice?
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What if the tracking number is not working after 24 hours? Depending on the size of your item, it could be shipped with a truck carrier and will require you to be present at time of delivery. Please feel free to reach out to us and we will provide additional details. |
I have special delivery instructions (i.e. Leave by back door, leave with neighbor, place in the planter on the left of my garage, etc.) We recommend leaving a note for the carrier on the door nearest to the street as we do not have a way to communicate those requests for you. |
Why did my item ship from a different location?
Many parts are stocked in more than one warehouse location. As a result your order may ship from a location other than the location shown in the listing. In most cases the shipping location will be closer to delivery address as we always try to ship from the closest warehouse to minimize transit times. In some circumstances intraday sales and other inventory changes may result in your item being shipped from a location further from your delivery address. |
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Do I have to be there to sign for my package? If your order is over $250 there is a possibility it was shipped with a signature required option. The easiest way to check is to locate the tracking number for your order and open on the carrier’s website. There is no additional cost to you for this service. |
Can I pickup my part/order from your warehouse? Sorry, we do not offer the pickup in warehouse option as our warehouses do not have public access |
How do I know if this part will fit my vehicle? Check the vehicle compatibility guide above or just reach out to us. Updated 10.19.2023 |












