1985 Cadillac DeVille Flywheels

Keep Your 1985 Cadillac DeVille in Top Shape with Quality Flywheels

Whether you’re repairing or upgrading your Flywheel, using high-quality parts is key to keeping your 1985 Cadillac DeVille looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Flywheels and Flexplates and Flywheel Bolts. 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 1985 Cadillac DeVille Flywheel at Advance Auto Parts is around $55.49, with a range that starts at $25.99 and goes up to $97.99. With 4 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like 1"L Under Head, 7/16 Inch -20 Thread, 200000Psi Tensile, 12Point Head, Pack Of 6, Automatic Transmission Flex Plate, and ARP Flywheel Bolt Kit start at just $25.99 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 Pilot Bearings. At Advance Auto Parts, we’re here to help you keep your 1985 Cadillac DeVille in peak condition, inside and out.

Essential 1985 Cadillac DeVille Flywheels

ARP Auto Racing – 1"L Under Head, 7/16 Inch -20 Thread, 200000Psi Tensile, 12Point Head, Pack Of 6 (Part No.200-2807)

1"L Under Head, 7/16 Inch -20 Thread, 200000Psi Tensile, 12Point Head, Pack Of 6

from

$25.99
Flywheel and flex plate bolts play an important role in the performance and safety of race cars and street machines alike. That is why the fastener experts at ARP have developed special bolts that are far superior to OEM hardware. ARP offers two styles of flywheel/flex plate bolts: High Performance and Pro Series. They are both forged from aerospace alloy and heat treated prior to thread rolling and machining. Both feature an exclusive, flat, 12 point head design and larger than stock shank diameter for increased strength and improved flywheel register. The popular High Performance series is rated at 180,000 PSI, and the premium grade Pro Series, originally developed for NASCAR competition, has a 200,000 PSI rating.

Product Features:
  • Forged From Aerospace Alloy And Heat Treated Prior To Thread Rolling And Machining
  • Feature An Exclusive, Flat, 12 Point Head Design And Larger Than Stock Shank Diameter For Increased Strength And Improved Flywheel Register
  • High Performance Series Is Rated
  • Increased Strength
  • Chevy 90░ V6 & 305-502 With 1-pc Rear Seal
  • 1″ Underhead Length
See More

Dorman – Help – Flywheel Bolts Thread 7/16-20, Length .900 In. (22.86mm), Head Thickness .190 In (Part No.74070)

Flywheel Bolts Thread 7/16-20, Length .900 In. (22.86mm), Head Thickness .190 In

from

$12.99
This clutch flywheel bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this clutch flywheel bolt matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

ARP Auto Racing – ARP Flywheel Bolt Kit (Part No.200-2802)

ARP Flywheel Bolt Kit

from

$31.99
ARP offers two styles of Flywheel bolts: premium grade Pro Series, with a 200,000 psi rating and High Performance, with a 180,000 psi rating. They are both heat-treated prior to thread rolling and machining, feature an exclusive, flat, 12-point head design and larger than stock shank diameter for increased strength and improved flywheel register. Kits include washers and nuts where applicable.

Product Features:
  • 3/4″ 12-Point Socket Size(s)
  • 8740 Chromoly
  • Black Oxide
  • 7/16″-20 RH Thread Size
  • Set of 6
  • Chevy 90° V6 & 265-454 With 2-pc Rear Seal, Ford 289-460
  • 1″ Underhead Length
See More

Dorman – Help – Flywheel Bolts (Part No.14557)

Flywheel Bolts

from

$11.49
This clutch flywheel bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this clutch flywheel bolt matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Dorman – Flywheel Bolts – Thread Size 7/16-20; Thread Length 0.900 In. (Sold by each) (Part No.678-154)

Flywheel Bolts - Thread Size 7/16-20; Thread Length 0.900 In. (Sold by each)

from

$4.49
This clutch flywheel bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this clutch flywheel bolt matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
  • Thread Size: 7/16-20
  • Tread Length: 0.900 in.
  • SAE
  • PLEASE NOTE: Item priced and sold by each. See store for details.
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ATP – Automatic Transmission Flex Plate (Part No.Z-124)

Automatic Transmission Flex Plate

from

$102.99
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-151)

Automatic Transmission Flex Plate

from

$50.99
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

Hays – Sfi Flexplate:68-84 Cad 368-500 166T: In (Part No.14-010)

Sfi Flexplate:68-84 Cad 368-500 166T: In

from

$270.99
Sfi Flexplate:68-84 Cad 368-500 166T: In

ATP – AT FLEX PLATE (Part No.Z-249)

AT FLEX PLATE

from

$97.99
AT FLEX PLATE

ATP – Automatic Transmission Flex Plate (Part No.Z-188)

Automatic Transmission Flex Plate

from

$65.99
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

Most Popular Flywheels and Flexplates for 1985 Cadillac DeVilles

Enhance your 1985 Cadillac DeVille with one of the 2 Flywheels and Flexplates we have in stock, starting at just $65.99.

ATP – AT FLEX PLATE (Part No.Z-249)

AT FLEX PLATE

from

$97.99
AT FLEX PLATE

ATP – Automatic Transmission Flex Plate (Part No.Z-188)

Automatic Transmission Flex Plate

from

$65.99
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 1985 Cadillac DeVille Flywheel Bolts

Upgrade your DeVille with one of our 2 best-selling Flywheel Bolts.

ARP Auto Racing – 1"L Under Head, 7/16 Inch -20 Thread, 200000Psi Tensile, 12Point Head, Pack Of 6 (Part No.200-2807)

1"L Under Head, 7/16 Inch -20 Thread, 200000Psi Tensile, 12Point Head, Pack Of 6

from

$25.99
Flywheel and flex plate bolts play an important role in the performance and safety of race cars and street machines alike. That is why the fastener experts at ARP have developed special bolts that are far superior to OEM hardware. ARP offers two styles of flywheel/flex plate bolts: High Performance and Pro Series. They are both forged from aerospace alloy and heat treated prior to thread rolling and machining. Both feature an exclusive, flat, 12 point head design and larger than stock shank diameter for increased strength and improved flywheel register. The popular High Performance series is rated at 180,000 PSI, and the premium grade Pro Series, originally developed for NASCAR competition, has a 200,000 PSI rating.

Product Features:
  • Forged From Aerospace Alloy And Heat Treated Prior To Thread Rolling And Machining
  • Feature An Exclusive, Flat, 12 Point Head Design And Larger Than Stock Shank Diameter For Increased Strength And Improved Flywheel Register
  • High Performance Series Is Rated
  • Increased Strength
  • Chevy 90░ V6 & 305-502 With 1-pc Rear Seal
  • 1″ Underhead Length
See More

ARP Auto Racing – ARP Flywheel Bolt Kit (Part No.200-2802)

ARP Flywheel Bolt Kit

from

$31.99
ARP offers two styles of Flywheel bolts: premium grade Pro Series, with a 200,000 psi rating and High Performance, with a 180,000 psi rating. They are both heat-treated prior to thread rolling and machining, feature an exclusive, flat, 12-point head design and larger than stock shank diameter for increased strength and improved flywheel register. Kits include washers and nuts where applicable.

Product Features:
  • 3/4″ 12-Point Socket Size(s)
  • 8740 Chromoly
  • Black Oxide
  • 7/16″-20 RH Thread Size
  • Set of 6
  • Chevy 90° V6 & 265-454 With 2-pc Rear Seal, Ford 289-460
  • 1″ Underhead Length
See More

FAQs for 1985 Cadillac DeVille Flywheels

What are the best-selling Flywheels for 1985 Cadillac DeVilles?

Out of 4 Flywheels that fit 1985 Cadillac DeVilles, the following parts are the top sellers:

What’s the price range for 1985 Cadillac DeVille Flywheels?

The prices of Flywheels for the 1985 Cadillac DeVille range from $25.99 up to $97.99 for the most premium parts.

What is the average price of a Flywheel for a 1985 Cadillac DeVille?

The average price for Flywheels for the 1985 Cadillac DeVille is $55.49. 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 Cadillac DeVille model years?

Yes, we carry Flywheels for 37 model years of Cadillac DeVilles between 1956 and 2004. The following model years are the most popular for Flywheel purchases: 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, and 1996.

What are the cheapest Flywheels for my 1985 Cadillac DeVille?

The cheapest 1985 Cadillac DeVille Flywheels we carry are:

Does Advance Auto Parts sell Flywheels for any other 1985 Cadillac models?

Yes. We stock Flywheels for 3 other popular 1985 Cadillac models. Some of the most popular are 1985 Eldorado Flywheels, 1985 Seville Flywheels, 1985 Fleetwood Flywheels, and 1985 Cimarron Flywheels.

What are the top-rated Flywheels that fit the 1985 Cadillac DeVille?

The one 1985 Cadillac DeVille Flywheel we have in stock is the 1"L Under Head, 7/16 Inch -20 Thread, 200000Psi Tensile, 12Point Head, Pack Of 6. It costs $25.99.

What types of Flywheels do you sell for my 1985 Cadillac DeVille?

As of 11/2/25, these are some of the most in-demand types of Flywheels for a 1985 Cadillac DeVille:

Can I get help with 1985 Cadillac DeVille Flywheel orders?

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

What is your return policy for Cadillac DeVille Flywheels?

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