1978 Chevrolet G20 Performance Alternators
Keep Your 1978 Chevrolet G20 in Top Shape with Quality Performance Alternators
Whether you’re repairing or upgrading your Performance Alternator, using high-quality parts is key to keeping your 1978 Chevrolet G20 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Alternators. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Competitive Prices and Extensive Inventory
The average price for a 1978 Chevrolet G20 Performance Alternator at Advance Auto Parts is around $274.66, with a range that starts at $161.99 and goes up to $330.99. With 2 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Mr. Gasket Alternator: Remanufactured, 80 Amps, 5122 and Top Street Performance Alternator: 10SI Style 110 Amps with V-Belt Pulley, Black, ES1001BK start at just $161.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Performance Alternator, don’t forget to check out other key components like Performance Fuel Systems and Performance Oil Filters. At Advance Auto Parts, we’re here to help you keep your 1978 Chevrolet G20 in peak condition, inside and out.
Find Your Specific 1978 Chevrolet G20 Performance Alternators
Looking for the perfect Performance Alternator for your 1978 Chevrolet G20? You’re in the right place. Below, you’ll find links to various types of Performance Alternators that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Performance Alternators, ensuring durability and a precise fit for your Chevrolet G20. Whether you’re driving a 1978 model or another popular model year like
1975,
1976,
1977,
1979,
1980,
1981,
1982, and
1983, we’ve got you covered. Purchasing Performance Alternators from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Performance Alternators that fit your vehicle.
Essential 1978 Chevrolet G20 Performance Alternators
Top Street Performance – Top Street Performance Alternator: 10SI Style 110 Amps with V-Belt Pulley, Black, ES1001BK (Part No.ES1001BK)
from
$161.99
TSP’s Alternators are a fantastic upgrade to any engine, whether it?s for looks or performance and reliability. They feature simple wiring and a huge amperage upgrade over stock, and they come in a stylish black finish.
See More
Mr. Gasket – Mr. Gasket Alternator: Remanufactured, 80 Amps, 5122 (Part No.5122)
from
$330.99
“The Mr. Gasket chrome alternator is a high-performance, remanufactured solution designed to exceed original equipment specifications, ensuring maximum dependability for your vehicle. With an 80-amp output and a sleek chrome-plated finish, this GM 10SI style alternator is both functional and visually appealing. It fits most 1973-1983 GM vehicles, making it a versatile replacement option. The alternator features a 6.6″” bolt spacing, an internal regulator for efficient voltage control, and a 1-groove V-belt pulley included for easy installation. Operating at 12 volts, it can be used as a direct OE replacement or as a 1-wire alternator, offering flexibility to suit your needs. Built for durability and reliability, this alternator is an excellent choice for restoring or upgrading your vehicle’s electrical system.”
See More
Popular 1978 Chevrolet G20 Performance Alternators Categories
Most Popular Performance Alternators for 1978 Chevrolet G20s
Enhance your 1978 Chevrolet G20 with one of the 2 Performance Alternators we have in stock, starting at just $161.99.
Mr. Gasket – Mr. Gasket Alternator: Remanufactured, 80 Amps, 5122 (Part No.5122)
from
$330.99
“The Mr. Gasket chrome alternator is a high-performance, remanufactured solution designed to exceed original equipment specifications, ensuring maximum dependability for your vehicle. With an 80-amp output and a sleek chrome-plated finish, this GM 10SI style alternator is both functional and visually appealing. It fits most 1973-1983 GM vehicles, making it a versatile replacement option. The alternator features a 6.6″” bolt spacing, an internal regulator for efficient voltage control, and a 1-groove V-belt pulley included for easy installation. Operating at 12 volts, it can be used as a direct OE replacement or as a 1-wire alternator, offering flexibility to suit your needs. Built for durability and reliability, this alternator is an excellent choice for restoring or upgrading your vehicle’s electrical system.”
See More
Top Street Performance – Top Street Performance Alternator: 10SI Style 110 Amps with V-Belt Pulley, Black, ES1001BK (Part No.ES1001BK)
from
$161.99
TSP’s Alternators are a fantastic upgrade to any engine, whether it?s for looks or performance and reliability. They feature simple wiring and a huge amperage upgrade over stock, and they come in a stylish black finish.
See More
FAQs for 1978 Chevrolet G20 Performance Alternators
What are the best-selling Performance Alternators for 1978 Chevrolet G20s?
Out of 2 Performance Alternators that fit 1978 Chevrolet G20s, the following parts are the top sellers:
- Mr. Gasket Alternator: Remanufactured, 80 Amps, 5122 (10648708) – $330.99
- Top Street Performance Alternator: 10SI Style 110 Amps with V-Belt Pulley, Black, ES1001BK (50258476) – $161.99
What’s the price range for 1978 Chevrolet G20 Performance Alternators?
The prices of Performance Alternators for the 1978 Chevrolet G20 range from $161.99 up to $330.99 for the most premium parts.
What is the average price of a Performance Alternator for a 1978 Chevrolet G20?
The average price for Performance Alternators for the 1978 Chevrolet G20 is $274.66. Keep in mind the variety of part types within our Performance Alternator category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Performance Alternators for other Chevrolet G20 model years?
What are the cheapest Performance Alternators for my 1978 Chevrolet G20?
The cheapest 1978 Chevrolet G20 Performance Alternators we carry are:
- Top Street Performance Alternator: 10SI Style 110 Amps with V-Belt Pulley, Black, ES1001BK (50258476) – $161.99
- Mr. Gasket Alternator: Remanufactured, 80 Amps, 5122 (10648708) – $330.99
Does Advance Auto Parts sell Performance Alternators for any other 1978 Chevrolet models?
Yes. We stock Performance Alternators for 17 other popular 1978 Chevrolet models. Some of the most popular are 1978 C10 Performance Alternators, 1978 C20 Performance Alternators, 1978 C30 Performance Alternators, 1978 Camaro Performance Alternators, and 1978 Caprice Performance Alternators.
What types of Performance Alternators do you sell for my 1978 Chevrolet G20?
We currently have just 1 Performance Alternator in stock for a 1978 Chevrolet G20, and as of 8/2/26, it is a Performance Alternator.
Can I get help with 1978 Chevrolet G20 Performance Alternator orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Chevrolet Performance Alternators and more.
What is your return policy for Chevrolet G20 Performance Alternators?
Advance Auto Parts keeps returns simple. For new Chevrolet G20 Performance Alternators and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.