1980 Mercury Cougar Freeze and Expansion Plugs

Essential 1980 Mercury Cougar Freeze and Expansion Plugs

Dorman – Pipe Plug-Square Head-1/4 In. MNPT (Part No.490-071.1)

Pipe Plug-Square Head-1/4 In. MNPT

from

$3.99
This pipe plug matches the original equipment plug for diameter, thread pitch and head type to ensure a reliable repair. Made of corrosion-resistant material, it has been engineered for leak-free performance and a long service life.

Product Features:
  • Ideal replacement – this pipe plug matches the diameter, thread pitch and head type of the original equipment part
  • Durable construction – this plug is made of quality materials for dependable service
  • Leak-free performance – quality manufacturing process ensures a tight for reliable sealing
  • Quality tested – this plug has undergone validation testing to ensure proper fit and function for this vehicle’s application
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Dorman – Brass Pipe Plug – Square Head – 1/4 In. MNPT (Part No.785-071D)

Brass Pipe Plug - Square Head - 1/4 In. MNPT

from

$5.49
This pipe plug matches the original equipment plug for diameter, thread pitch and head type to ensure a reliable repair. Made of corrosion-resistant material, it has been engineered for leak-free performance and a long service life.

Product Features:
  • Ideal replacement – this pipe plug matches the diameter, thread pitch and head type of the original equipment part
  • Durable construction – this plug is made of quality materials for dependable service
  • Leak-free performance – quality manufacturing process ensures a tight for reliable sealing
  • Quality tested – this plug has undergone validation testing to ensure proper fit and function for this vehicle’s application
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Dorman – Pipe Plug-Square Head-1/4 In. MNPT (Part No.785-071)

Pipe Plug-Square Head-1/4 In. MNPT

from

$2.99
This pipe plug matches the original equipment plug for diameter, thread pitch and head type to ensure a reliable repair. Made of corrosion-resistant material, it has been engineered for leak-free performance and a long service life.

Product Features:
  • Ideal replacement – this pipe plug matches the diameter, thread pitch and head type of the original equipment part
  • Durable construction – this plug is made of quality materials for dependable service
  • Leak-free performance – quality manufacturing process ensures a tight for reliable sealing
  • Quality tested – this plug has undergone validation testing to ensure proper fit and function for this vehicle’s application
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Dorman – Steel Cup Expansion Plug 2-1/16 In. SC, Height 0.380 (sold by each) (Part No.555-048)

Steel Cup Expansion Plug 2-1/16 In. SC, Height 0.380 (sold by each)

from

$2.29
This engine expansion plug 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 engine expansion plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug 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
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Dorman – Steel Cup Expansion Plug 1/2 In., Height 0.380 (sold by each) (Part No.555-074)

Steel Cup Expansion Plug 1/2 In., Height 0.380 (sold by each)

from

$0.99
Our uniquely designed pilot seal expansion plugs ensure a leak-proof fit.

Product Features:
  • Many sizes available
  • Conveniently available in packs of different quantities
  • Constructed from high quality steel, copper, brass, or rubber
  • Dorman’s Engine Expansion Plugs are constructed to strict engineering quality standards
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Dorman – Steel Cup Expansion Plug 1-49/64 In., Height 0.380 (sold by each) (Part No.555-036)

Steel Cup Expansion Plug 1-49/64 In., Height 0.380 (sold by each)

from

$2.39
This engine expansion plug 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 engine expansion plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug 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
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Dorman – Steel Cup Expansion Plug 3/8 In., Height 0.150 (sold by each) (Part No.555-115)

Steel Cup Expansion Plug 3/8 In., Height 0.150 (sold by each)

from

$1.49
This engine expansion plug 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 engine expansion plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug 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 – Pik-a-Nut – Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (Part No.362652.1)

Steel Cup Expansion Plug 1-1/2 In., Height 0.220

from

$0.99
This engine expansion plug 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 engine expansion plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug 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 – Steel Cup Expansion Plug 2-1/8 In. SC, Height 0.360 (sold by each) (Part No.555-070)

Steel Cup Expansion Plug 2-1/8 In. SC, Height 0.360 (sold by each)

from

$2.99
This engine expansion plug 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 engine expansion plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug 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
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Dorman – Steel Cup Expansion Plug 1-41/64 In., Height 0.360 (sold by each) (Part No.555-068)

Steel Cup Expansion Plug 1-41/64 In., Height 0.360 (sold by each)

from

$1.39
This engine expansion plug 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 engine expansion plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug 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 – Steel Cup Expansion Plug 2-3/16 In. SC, Height 0.360 (sold by each) (Part No.555-051)

Steel Cup Expansion Plug 2-3/16 In. SC, Height 0.360 (sold by each)

from

$2.79
This engine expansion plug 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 engine expansion plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug 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
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Dorman – Ford Steel Expansion Plug Kit, 15 Expansion Plugs, 4 Pipe Plugs (Part No.557-009)

Ford Steel Expansion Plug Kit, 15 Expansion Plugs, 4 Pipe Plugs

from

$8.99
The plugs in this engine expansion plug kit are designed to match the original parts on specified vehicles. Made of quality materials, this kit components are engineered for reliable performance and durability.

Product Features:
  • Direct replacement – the components in this engine expansion plug kit are designed to match the original plugs on specified years, makes and models
  • Ideal solution – this kit is a reliable replacement for original plugs that have failed due to wear
  • Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Dorman – Steel Cup Expansion Plug 13.70mm, Height 0.180 (sold by each) (Part No.555-007)

Steel Cup Expansion Plug 13.70mm, Height 0.180 (sold by each)

from

$1.29
This engine expansion plug 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 engine expansion plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug 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 – Pik-a-Nut – Steel Cup Expansion Plug 1 In., SC, Height 0.250 (Part No.362633.1)

Steel Cup Expansion Plug 1 In., SC, Height 0.250

from

$2.29
This engine expansion plug 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 engine expansion plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug 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 – Pik-a-Nut – Steel Cup Expansion Plug 1-1/2 In., Height 0.480 (Part No.362650.1)

Steel Cup Expansion Plug 1-1/2 In., Height 0.480

from

$3.29
This engine expansion plug 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 engine expansion plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug 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 – Rubber Expansion Plug 3/4 In. – Size Range 3/4 In. – 7/8 In. (Part No.02608)

Rubber Expansion Plug 3/4 In. - Size Range 3/4 In. - 7/8 In.

from

$8.29
Our uniquely designed pilot seal expansion plugs ensure a leak-proof fit.

Product Features:
  • Many sizes available
  • Conveniently available in packs of different quantities
  • Constructed from high quality steel, copper, brass, or rubber
  • Dorman’s Engine Expansion Plugs are constructed to strict engineering quality standards
See More

Dorman – Help – Rubber Expansion Plug 1-5/8 In. – Size Range 1-5/8 In. – 1-3/4 In. (Part No.10232)

Rubber Expansion Plug 1-5/8 In. - Size Range 1-5/8 In. - 1-3/4 In.

from

$4.29
Our Engine Intake Manifold Expansion Plug is conveniently designed as a direct replacement for stripped plugs. A proper fit is ensured, every time.

Product Features:
  • Manufactured from high quality materials for a long service life
  • Torque values listed on parts (where applicable)
  • Easy to install
  • Constructed to strict engineering quality standards
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Dorman – Rubber Freeze Plug – Size Range: 7/8" – 1" – Metric Range: 22mm – 25mm – Nominal Size: 7/8" (Part No.02609)

Rubber Freeze Plug - Size Range: 7/8" - 1" - Metric Range: 22mm - 25mm - Nominal Size: 7/8"

from

$2.79
Rubber Freeze Plug – Size Range: 7/8" – 1" – Metric Range: 22mm – 25mm – Nominal Size: 7/8"

Dorman – Rubber Expansion Plug 1-5/8 In. – Size Range 1-5/8 In. – 1-3/4 In. (Part No.02604)

Rubber Expansion Plug 1-5/8 In. - Size Range 1-5/8 In. - 1-3/4 In.

from

$6.99
Our Engine Intake Manifold Expansion Plug is conveniently designed as a direct replacement for stripped plugs. A proper fit is ensured, every time.

Product Features:
  • Manufactured from high quality materials for a long service life
  • Torque values listed on parts (where applicable)
  • Easy to install
  • Constructed to strict engineering quality standards
See More

Dorman – Rubber Expansion Plug 2 In. – Size Range 2 In. – 2-1/8 In. (sold by each) (Part No.570-014)

Rubber Expansion Plug 2 In. - Size Range 2 In. - 2-1/8 In. (sold by each)

from

$5.49
This engine expansion plug 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 engine expansion plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug 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 – Rubber Expansion Plug 1-5/8 In. – Size Range 1-5/8 In. – 1-3/4 In. (sold by each) (Part No.570-010)

Rubber Expansion Plug 1-5/8 In. - Size Range 1-5/8 In. - 1-3/4 In. (sold by each)

from

$4.49
This engine intake manifold expansion plug 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 engine intake manifold expansion plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug 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

1980 Mercury Cougar Freeze and Expansion Plugs

Maybe you’re in the middle of a full rebuild of that 1980 Mercury Cougar. Maybe you just need a couple of Freeze and Expansion Plugs. Either way, Advance Auto Parts has 22 different Freeze and Expansion Plugs in our inventory ranging from $0.99 to $8.99. That means you can find the exact parts or products you need to keep that 1980 Mercury Cougar running smoothly.

Freeze and Expansion Plugs are only as good as their brand. We stock 1 different brands to make sure you have plenty of trusted parts to choose from for your 1980 Mercury Cougar. Dorman are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Freeze and Expansion Plugs for your 1980 Mercury Cougar, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Freeze and Expansion Plugs to keep your 1980 Mercury Cougar rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Freeze and Expansion Plugs Brands To Make Your 1980 Mercury Cougar Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1980 Mercury Cougar demands trusted brand parts and products to keep it running. Many trusted brands of Freeze and Expansion Plugs make up Advance Auto Parts’ inventory, and all are ready to help make your Cougar the best it can be. Be sure to browse some of our top Freeze and Expansion Plugs brands and parts.

Popular Dorman – Pik-a-Nut Freeze and Expansion Plugs

We carry Dorman – Pik-a-Nut parts in our stock across Expansion Plugs categories, plus more. For a 1980 Mercury Cougar, our most popular Dorman – Pik-a-Nut Freeze and Expansion Plugs include:
Steel Cup Expansion Plug 1-1/2 In., Height 0.220
from $0.99
(3)
Steel Cup Expansion Plug 1-1/2 In., Height 0.220
Expansion Plugs
Steel Cup Expansion Plug 1-9/16 In., Height 0.380
from $2.29
(1)
Steel Cup Expansion Plug 1-9/16 In., Height 0.380
Expansion Plugs

FAQs for 1980 Mercury Cougar Freeze and Expansion Plugs

What are the most purchased Freeze and Expansion Plugs for the 1980 Mercury Cougar?

Out of 22 Freeze and Expansion Plugs for the 1980 Mercury Cougar, the most popular in our inventory are:
Steel Cup Expansion Plug 1 In., SC, Height 0.250
from $2.29
This product is not rated
Steel Cup Expansion Plug 1 In., SC, Height 0.250
Expansion Plugs
Steel Cup Expansion Plug 1 In., SC, Height 0.250 (sold by each)
from $2.49
This product is not rated
Steel Cup Expansion Plug 1 In., SC, Height 0.250 (sold by each)
Expansion Plugs
Steel Cup Expansion Plug 3/8 In., Height 0.150 (sold by each)
from $1.49
This product is not rated
Steel Cup Expansion Plug 3/8 In., Height 0.150 (sold by each)
Expansion Plugs