1979 Jeep J20 Flywheels

Keep Your 1979 Jeep J20 in Top Shape with Quality Flywheels

Whether you’re repairing or upgrading your Flywheel, using high-quality parts is key to keeping your 1979 Jeep J20 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Flywheels and Flexplates, Flywheel Ring Gears, and Clutch Flywheel Covers. 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 1979 Jeep J20 Flywheel at Advance Auto Parts is around $54.32, with a range that starts at $28.99 and goes up to $69.99. With 3 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like ATP Manual Transmission Flywheel Ring Gear and Automatic Transmission Flex Plate start at just $28.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Flywheel, don’t forget to check out other key components like Clutch Discs and Clutch Kits. At Advance Auto Parts, we’re here to help you keep your 1979 Jeep J20 in peak condition, inside and out.

Essential 1979 Jeep J20 Flywheels

ATP – ATP Automatic Transmission Flex Plate (Part No.Z-102)

ATP Automatic Transmission Flex Plate

from

$68.99
Vehicles with automatic transmissions have a flex plate. Flex plates connect the engine And transmission. Most flex plates are made of a thick piece of sheet metal with bolt holes for the torque converter And teeth for the starter. The job of a flex plate is to allow for expansion of the torque converter as engine RPM increases. The constant expansion And contraction of a flex plate over time can result cracks And/or shearing of the flex plate. A damaged flex plate can create serious (expensive) damage. Broken flex plates can not be repaired, they must be replaced. ATP flex plates are made of high quality steel And contain the correct bolt hole spacing And ring gear teeth just like the original part to ensure long life And durability

Product Features:
  • Balanced to factory specs
  • Fit and function like the original parts
  • Restores normal operation
See More

ATP – Automatic Transmission Flex Plate (Part No.Z-104)

Automatic Transmission Flex Plate

from

$63.99
Vehicles with automatic transmissions have a flex plate. The flex plates connects the engine and transmission. Most flex plates are made of a thick piece of sheet metal with bolt holes for the torque converter and teeth for the starter. The job of a flex plate is to allow for expansion of the torque converter as engine RPM increases. The constant expansion and contraction of a flex plate over time can result cracks and/or shearing of the flex plate. A damaged flex plate can create serious (expensive) damage. Broken flex plates can not be repaired, they must be replaced. ATP flex plates are made of high quality steel and contain the correct bolt hole spacing and ring gear teeth just like the original part to ensure long life and durability

Product Features:
  • Balanced to factory specs
  • Fit and function like the original parts
  • Restores normal operation
See More

ATP – Automatic Transmission Flex Plate (Part No.Z-131)

Automatic Transmission Flex Plate

from

$81.99
Vehicles with automatic transmissions have a flex plate. The flex plates connects the engine and transmission. Most flex plates are made of a thick piece of sheet metal with bolt holes for the torque converter and teeth for the starter. The job of a flex plate is to allow for expansion of the torque converter as engine RPM increases. The constant expansion and contraction of a flex plate over time can result cracks and/or shearing of the flex plate. A damaged flex plate can create serious (expensive) damage. Broken flex plates can not be repaired, they must be replaced. ATP flex plates are made of high quality steel and contain the correct bolt hole spacing and ring gear teeth just like the original part to ensure long life and durability

Product Features:
  • Balanced to factory specs
  • Fit and function like the original parts
  • Restores normal operation
See More

ATP – ATP Manual Transmission Flywheel Ring Gear (Part No.ZA-509)

ATP Manual Transmission Flywheel Ring Gear

from

$28.99
The ring gear has teeth which engage with the starter motor allowing the engine to crank over And start. Repeated engagement with the starter results in worn or broken ring gear teeth. Once this is diagnosed, the ring gear must be replaced. ATP ring gears are designed to fit And function just like the original part to ensure durability And long life.

Product Features:
  • Manufactured to meet or exceed original equipment specs
  • Eliminates grinding from damaged teeth
  • Increases starter drive life
See More

Mr. Gasket – Flywheel Dust Cover (Part No.5135)

Flywheel Dust Cover

from

$69.99
Keeps dust, rocks, and debris out of the flex plate and torque converter. *Needs modification for Olds/Pontiac Starters on the driver’s side.

Product Features:
  • Heavy Gauge Chrome Plated Steel
  • Direct Replacement Bolt On
See More

Most Popular Flywheels and Flexplate for 1979 Jeep J20s

Enhance your 1979 Jeep J20 with this popular Flywheels and Flexplate we have in stock, for $63.99.

ATP – Automatic Transmission Flex Plate (Part No.Z-104)

Automatic Transmission Flex Plate

from

$63.99
Vehicles with automatic transmissions have a flex plate. The flex plates connects the engine and transmission. Most flex plates are made of a thick piece of sheet metal with bolt holes for the torque converter and teeth for the starter. The job of a flex plate is to allow for expansion of the torque converter as engine RPM increases. The constant expansion and contraction of a flex plate over time can result cracks and/or shearing of the flex plate. A damaged flex plate can create serious (expensive) damage. Broken flex plates can not be repaired, they must be replaced. ATP flex plates are made of high quality steel and contain the correct bolt hole spacing and ring gear teeth just like the original part to ensure long life and durability

Product Features:
  • Balanced to factory specs
  • Fit and function like the original parts
  • Restores normal operation
See More

Best-Selling 1979 Jeep J20 Flywheel Ring Gear

Upgrade your J20 with our best-selling Flywheel Ring Gear.

ATP – ATP Manual Transmission Flywheel Ring Gear (Part No.ZA-509)

ATP Manual Transmission Flywheel Ring Gear

from

$28.99
The ring gear has teeth which engage with the starter motor allowing the engine to crank over And start. Repeated engagement with the starter results in worn or broken ring gear teeth. Once this is diagnosed, the ring gear must be replaced. ATP ring gears are designed to fit And function just like the original part to ensure durability And long life.

Product Features:
  • Manufactured to meet or exceed original equipment specs
  • Eliminates grinding from damaged teeth
  • Increases starter drive life
See More

Top-Quality Clutch Flywheel Covers for 1979 Jeep J20s

Choose a high-quality OEM or aftermarket Clutch Flywheel Cover for Jeep J20s and enjoy top-notch performance from $69.99.

Mr. Gasket – Flywheel Dust Cover (Part No.5135)

Flywheel Dust Cover

from

$69.99
Keeps dust, rocks, and debris out of the flex plate and torque converter. *Needs modification for Olds/Pontiac Starters on the driver’s side.

Product Features:
  • Heavy Gauge Chrome Plated Steel
  • Direct Replacement Bolt On
See More

FAQs for 1979 Jeep J20 Flywheels

What are the best-selling Flywheels for 1979 Jeep J20s?

Out of 3 Flywheels that fit 1979 Jeep J20s, the following parts are the top sellers:

What’s the price range for 1979 Jeep J20 Flywheels?

The prices of Flywheels for the 1979 Jeep J20 range from $28.99 up to $69.99 for the most premium parts.

What is the average price of a Flywheel for a 1979 Jeep J20?

The average price for Flywheels for the 1979 Jeep J20 is $54.32. Keep in mind the variety of part types within our Flywheel category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Flywheels for other Jeep J20 model years?

Yes, we carry Flywheels for 12 model years of Jeep J20s between 1974 and 1987. The following model years are the most popular for Flywheel purchases: 1987, 1986, 1985, 1984, 1983, 1982, 1981, 1980, and 1978.

What are the cheapest Flywheels for my 1979 Jeep J20?

The cheapest 1979 Jeep J20 Flywheels we carry are:

Does Advance Auto Parts sell Flywheels for any other 1979 Jeep models?

Yes. We stock Flywheels for 5 other popular 1979 Jeep models. Some of the most popular are 1979 Cherokee Flywheels, 1979 Wagoneer Flywheels, 1979 J10 Flywheels, 1979 CJ7 Flywheels, and 1979 CJ5 Flywheels.

What are the top-rated Flywheels that fit the 1979 Jeep J20?

The one 1979 Jeep J20 Flywheel we have in stock is the ATP Manual Transmission Flywheel Ring Gear. It costs $28.99.

What types of Flywheels do you sell for my 1979 Jeep J20?

As of 11/2/25, these are some of the most in-demand types of Flywheels for a 1979 Jeep J20:

Can I get help with 1979 Jeep J20 Flywheel orders?

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

What is your return policy for Jeep J20 Flywheels?

Advance Auto Parts keeps returns simple. For new Jeep J20 Flywheels and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.