1979 Chevrolet K20 Alternators

Enhance and Protect Your 1979 Chevrolet K20 with Quality Alternators

Maintaining the performance of your 1979 Chevrolet K20 starts with choosing the right parts, and a high-quality Alternator helps ensure a reliable and efficient vehicle. At Advance Auto Parts, we offer Alternators specifically for the 1979 Chevrolet K20, ensuring a perfect fit and lasting durability. Choosing to shop with Advance Auto Parts means you’re making a smart decision to prioritize both quality and reliability for your vehicle.

Affordable and Reliable Alternators for Every Budget

Finding an Alternator that combines quality with affordability is easy at Advance Auto Parts. With prices starting as low as $61.99 and an average price of $107.87, you can choose one that fits your budget while delivering the quality you expect. Our Alternators are competitively priced, ranging from $61.99 to $155.99, so you get value without compromising on strength or reliability.

Trusted Brands and Top-Rated Options

With 15 Alternators from 5 trusted brands in stock, Advance Auto Parts has you covered. Our Alternators for the 1979 Chevrolet K20 have earned reviews from over 542 customers, with an average 4 stars rating across the board. Popular options include Alternator 7127-3AV: Remanufactured, 63 Amps, Alternator: Remanufactured, 63 Amps, and Alternator: Remanufactured, 63 Amps, starting at $77.99. Our selection includes highly regarded brands such as Carquest, Carquest Premium, and Carquest Professional, and more, offering you top-notch reliability. For example, we have 6 Carquest Alternators starting at $61.99 with an average rating of 4 stars, 3 Carquest Premium options from $89.99 with a 4 stars rating, and 2 Carquest Professional Alternators priced from $104.99 with a 5 stars average rating.

Explore Related Parts for a Complete Solution

To further enhance your 1979 Chevrolet K20, don’t miss our related parts categories, including Alternator Brackets and Commutator End Bearings. These additions will round out your repair or upgrade project and ensure your vehicle is ready for any adventure.

Alternators for Your 1979 Chevrolet K20

Carquest Professional – Alternator: New, 63 Amps (Part No.7127-3AN)

Alternator: New, 63 Amps

from

$104.99
Carquest Professional alternators are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new alternators are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional alternators are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new alternators are built with all new components and are 100% triple tested to ensure high quality that is backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • All new components are utilized to ensure long service life
  • Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
  • Internal electronics are upgraded for heavy duty reliability (where applicable)
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
  • Rotors and stators are load tested and double insulated for maximum charging performance
See More

Carquest Standard – Alternator 7127-3AV: Remanufactured, 63 Amps (Part No.7127-3AV)

Alternator 7127-3AV: Remanufactured, 63 Amps

from

$77.99
Carquest Standard alternators are designed and built to meet original equipment (O.E.) specifications, while providing great value. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. All of our Carquest Standard alternators are inspected and 100% tested to ensure they are built to meet OEM fit, form and function. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:
  • Designed to meet OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Carquest Premium – Alternator: Remanufactured, 63 Amps (Part No.7127-3A)

Alternator: Remanufactured, 63 Amps

from

$89.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alterna

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • 100% new OE-quality brushes and bearings are used to ensure long service life
  • Rotors and stators are load tested and double insulated for maximum charging performance
  • Slip rings are precision polished for maximum brush contact and service life
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Carquest Premium – Alternator: Remanufactured, 63 Amps (Part No.7127-9A)

Alternator: Remanufactured, 63 Amps

from

$89.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:
  • Each unit is triple-tested to ensure quality and performance
  • All wear components (brushes, bushings, and bearings) are replaced with all NEW components in the remanufacturing process
  • Tech Hotline with trained ASE Certified Technicians: Call Carquest Technical Support at 1-800-228-9672
See More

Carquest Standard – Alternator: Remanufactured, 63 Amps (Part No.P7127SEAV)

Alternator: Remanufactured, 63 Amps

from

$98.99
Carquest Standard alternators are designed and built to meet original equipment (O.E.) specifications, while providing great value. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. All of our Carquest Standard alternators are inspected and 100% tested to ensure they are built to meet OEM fit, form and function. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:
  • Designed to meet OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Carquest Standard – Alternator: Remanufactured, 63 Amps (Part No.7127-9AV)

Alternator: Remanufactured, 63 Amps

from

$61.99
Carquest Standard alternators are designed and built to meet original equipment (O.E.) specifications, while providing great value. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. All of our Carquest Standard alternators are inspected and 100% tested to ensure they are built to meet OEM fit, form and function. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:
  • Designed to meet OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Carquest Premium – Alternator: Remanufactured, 63 Amps (Part No.7127-1WA)

Alternator: Remanufactured, 63 Amps

from

$108.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.
See More

Bosch – Alternator: Remanufactured, 62 Amps (Part No.AL530X)

Alternator: Remanufactured, 62 Amps

from

$95.99
Bosch has been a major supplier of new alternators to Original Equipment vehicle manufacturers since 1913. Securing OE certification requires strict adherence to stringent precision and performance criteria. These same exacting criteria are also applied in the manufacturing of all Bosch aftermarket alternators. Bosch Premium Alternators are quality built and 100% factory tested to ensure years of reliable performance, even under the most extreme operating conditions.

Product Features:
  • Full-load tested to guarantee compliance with Bosch’s strict performance specifications
  • 100% factory tested, units are remanufactured (not rebuilt)
  • Built to last – uses high quality materials and the most technologically advanced developments.
See More

Carquest Professional – Alternator: New, 63 Amps (Part No.7127-9AN)

Alternator: New, 63 Amps

from

$112.99
Carquest Professional alternators are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new alternators are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional alternators are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new alternators are built with all new components and are 100% triple tested to ensure high quality that is backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • All new components are utilized to ensure long service life
  • Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
  • Internal electronics are upgraded for heavy duty reliability (where applicable)
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
  • Rotors and stators are load tested and double insulated for maximum charging performance
See More

Bosch – Alternator: Remanufactured, 63 Amps (Part No.AL531X)

Alternator: Remanufactured, 63 Amps

from

$101.99
Bosch has been a major supplier of new alternators to Original Equipment vehicle manufacturers since 1913. Securing OE certification requires strict adherence to stringent precision and performance criteria. These same exacting criteria are also applied in the manufacturing of all Bosch aftermarket alternators. Bosch Premium Alternators are quality built and 100% factory tested to ensure years of reliable performance, even under the most extreme operating conditions.

Product Features:
  • Full-load tested to guarantee compliance with Bosch’s strict performance specifications
  • 100% factory tested, units are remanufactured (not rebuilt)
  • Built to last – uses high quality materials and the most technologically advanced developments.
See More

Bosch – Alternator: New, 62 Amps (Part No.AL530N)

Alternator: New, 62 Amps

from

$144.99
Bosch has been a major supplier of new alternators to Original Equipment vehicle manufacturers since 1913. Securing OE certification requires strict adherence to stringent precision and performance criteria. These same exacting criteria are also applied in the manufacturing of all Bosch aftermarket alternators. Bosch Premium Alternators are quality built and 100% factory tested to ensure years of reliable performance, even under the most extreme operating conditions.

Product Features:
  • 100% new components withstand the harshest environments for the best performance and longest life
  • Built specifically to withstand excessive heat and high electrical demands.
  • All mounting points 100% gauged and resized or rethreaded for proper fit
  • Free 24-hour Roadside Assistance Protection with purchase of any Bosch Alternator
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ACDelco – Alternator (Part No.321-39)

Alternator

from

$112.99
GM Genuine Parts Remanufactured Alternators are designed, engineered, and tested to rigorous standards, and are backed by General Motors. Remanufacturing alternators is an industry standard practice that involves disassembly of existing units, and replacing components that are most prone to wear with new components. Damaged and obsolete parts are replaced and are end of line tested to ensure they perform to GM specifications. In addition, remanufacturing returns components back into service rather than processing as scrap or simply disposing of them. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
  • Remanufacturing is an industry standard practice that returns parts into service rather than scrapping them
  • Tested to ensure they perform to GM specifications
See More

Carquest HD Electrical – Alternator: New, 63 Amps, With Pulley (Part No.71-7127-SEN)

Alternator: New, 63 Amps, With Pulley

from

$131.99
Carquest Starters with 100% NEW construction will restore hard working vehicles to exceed OE specified performance & endurance. All new units and components offer unmatched performance, reduce downtime & customer comebacks. Carquest HD alternators are pri

Product Features:
  • Contains Innovative Brush-less and Premium Brush Components that have been tested and certified for highest possible power output
  • Stator – wound to OE specifications. Heavy coated Polyester wire provides consistent conductivity
  • Premium Transpo rectifiers use 13mm press fit Diodes for maximum performance
  • Rotor shafts CNC machined & precision balanced to eliminate vibration
  • Over-Voltage shutdown limits voltage if output terminal is disconnected form the battery
  • Load dump protection ensures transient voltage spikes do not damage transistor
  • Improved power transmission with lower engine speed keeps accessories and powered implements running at maximum output without additional load to the engine.
See More

Carquest HD Electrical – Alternator: New, 63 Amps, With Pulley (Part No.71-7127-3N)

Alternator: New, 63 Amps, With Pulley

from

$136.99
Carquest Starters with 100% NEW construction will restore hard working vehicles to exceed OE specified performance & endurance. All new units and components offer unmatched performance, reduce downtime & customer comebacks. Carquest HD alternators are pri

Product Features:
  • High quality components form the foundation our parts are built from. Transpo’s innovative and high quality electronic technologies for internal components are incorporated to achieve high performance outputs.
  • Power & Efficiency are designed into every component. No matter the ambient temperature, starters will provide maximum cranking power to get engines running.
  • Connectors and power transmission components are highly resistant to extreme moisture environments because we use nickel plated contactors and double armature coating. We maintain a rigorous test schedule with endurance, salt spray, dirt and grime and out
  • Integrated magnetic switch provides protection against weak power from batteries.
  • Over-Crank Protection (OCP) Monitors heat in starter from over cranking & shuts down starter to prevent burning
  • Precision design and machining are the Extreme vibration failure solution. Vehicles often perform in adverse conditions like extreme temperatures that create tolerance shifts that produce high frequency vibration, which leads to resistance in power transf
  • Load dump protection ensures transient voltage spikes do not damage transistor
  • Improved power transmission with lower engine speed keeps accessories and powered implements running at maximum output without additional load to the engine.
See More

Carquest HD Electrical – Alternator: New, 63 Amps, With Pulley (Part No.71-7127-9N)

Alternator: New, 63 Amps, With Pulley

from

$155.99
Carquest Starters with 100% NEW construction will restore hard working vehicles to exceed OE specified performance & endurance. All new units and components offer unmatched performance, reduce downtime & customer comebacks. Carquest HD alternators are pri

Product Features:
  • High quality components form the foundation our parts are built from. Transpo’s innovative and high quality electronic technologies for internal components are incorporated to achieve high performance outputs.
  • Power & Efficiency are designed into every component. No matter the ambient temperature, starters will provide maximum cranking power to get engines running.
  • Connectors and power transmission components are highly resistant to extreme moisture environments because we use nickel plated contactors and double armature coating. We maintain a rigorous test schedule with endurance, salt spray, dirt and grime and out
  • Integrated magnetic switch provides protection against weak power from batteries.
  • Over-Crank Protection (OCP) Monitors heat in starter from over cranking & shuts down starter to prevent burning
  • Precision design and machining are the Extreme vibration failure solution. Vehicles often perform in adverse conditions like extreme temperatures that create tolerance shifts that produce high frequency vibration, which leads to resistance in power transf
  • Load dump protection ensures transient voltage spikes do not damage transistor
  • Improved power transmission with lower engine speed keeps accessories and powered implements running at maximum output without additional load to the engine.
See More

FAQs for 1979 Chevrolet K20 Alternators

Which Alternators are the top sellers for the 1979 Chevrolet K20?

Out of 15 Alternators that fit 1979 Chevrolet K20s, the following parts are the top sellers:
Alternator 7127-3AV: Remanufactured, 63 Amps
from $77.99
(97)
Alternator 7127-3AV: Remanufactured, 63 Amps
Alternators
Alternator: Remanufactured, 63 Amps
from $89.99
(57)
Alternator: Remanufactured, 63 Amps
Alternators
Alternator: Remanufactured, 63 Amps
from $98.99
(49)
Alternator: Remanufactured, 63 Amps
Alternators

How can I make sure that a part will be compatible with my 1979 Chevrolet K20?

Our Chevrolet K20 aftermarket and OEM parts are designed specifically for the 1979 model. You can always find your specific fitment and compatibility for your 1979 Chevrolet on an individual product page.

What is the price range for 1979 Chevrolet K20 Alternators?

The range of prices of Alternators for the 1979 Chevrolet K20 goes from $61.99 up to $155.99 for the most premium parts.

What is the average price of a 1979 Chevrolet K20 Alternator?

1979 Chevrolet K20 Alternators average $107.87 for our selection of OEM and aftermarket parts. Keep in mind the variety of brands we offer, such as Carquest, Carquest Premium, Carquest Professional, and more, so you are likely to find a wide range of prices across a variety of brands and products.

Does Advance Auto Parts sell Alternators for other Chevrolet K20 model years?

Yes, we currently stock Alternators for 11 model years of Chevrolet K20s, from 1975 to 1986. Model years 1986, 1985, 1984, 1983, 1982, 1981, 1980, 1978, and 1977 are the most popular for Alternator purchases.

Which Alternators are highest rated for the 1979 Chevrolet K20?

Based on 542 customer reviews, our 1979 Chevrolet K20 Alternators have an average rating of 4. Explore our top-rated Alternators here:
Alternator: Remanufactured, 63 Amps
from $89.99
(11)
Alternator: Remanufactured, 63 Amps
“Bought this due to bearings going out in old alternator(Squealed and wouldn’t charge all the time)! It was easy to install and at a great price! My ”
Alternator: Remanufactured, 63 Amps
from $108.99
(2)
Alternator: Remanufactured, 63 Amps
“My first major rehab on any car so I I got good confidence that this part will help me in this journey to becoming a handyman for my family this is ju”

Can I get help with 1979 Chevrolet K20 Alternator orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Chevrolet Alternators and more.

What is your return policy for Chevrolet K20 Alternators?

Advance Auto Parts keeps returns simple. For new Chevrolet K20 Alternators and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.