1977 Mercury Grand Marquis Freeze and Expansion Plugs
Keep Your 1977 Mercury Grand Marquis in Top Shape with Quality Freeze and Expansion Plugs
Whether you’re repairing or upgrading your Freeze and Expansion Plug, using high-quality parts is key to keeping your 1977 Mercury Grand Marquis looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Rubber Freeze Plugs and Expansion Plugs. 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.
Top-Rated Freeze and Expansion Plugs from Trusted Brands
Looking for a reliable Freeze and Expansion Plug? We’ve got you covered with options from brands you know and trust like Dorman. For example, Dorman Freeze and Expansion Plugs start at just $1.29 with an average 4.2 star rating. With over 8 reviews and a solid 5 star average, you can shop with confidence knowing other Mercury Grand Marquis owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1977 Mercury Grand Marquis Freeze and Expansion Plug at Advance Auto Parts is around $4.37, with a range that starts at $1.29 and goes up to $14.99. With 9 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Rubber Expansion Plug 1-1/2 In. – Size Range 1-1/2 In. – 1-5/8 In. (Sold by each), Steel Cup Expansion Plug 1/2 In., Height 0.380, and Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (sold by each) start at just $2.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Freeze and Expansion Plug, don’t forget to check out other key components like Engine Gaskets and Seals and Engine Timing Parts. At Advance Auto Parts, we’re here to help you keep your 1977 Mercury Grand Marquis in peak condition, inside and out.
Find Your Specific 1977 Mercury Grand Marquis Freeze and Expansion Plugs
Looking for the perfect Freeze and Expansion Plug for your 1977 Mercury Grand Marquis? You’re in the right place. Below, you’ll find links to various types of Freeze and Expansion Plugs that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Freeze and Expansion Plugs, ensuring durability and a precise fit for your Mercury Grand Marquis. Whether you’re driving a 1977 model or another popular model year like
1997,
1998,
1999,
2000,
2001,
2002,
2003,
2004, and
2005, we’ve got you covered. Purchasing Freeze and Expansion Plugs 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 Freeze and Expansion Plugs that fit your vehicle.
Essential 1977 Mercury Grand Marquis Freeze and Expansion Plugs
Dorman – Rubber Expansion Plug 3/4 In. – Size Range 3/4 In. – 7/8 In. (Part No.02608)
from
$11.49
Our uniquely designed pilot seal expansion plugs ensure a leak-proof fit.
Product Features:
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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
Dorman – Rubber Expansion Plug 1-1/2 In. – Size Range 1-1/2 In. – 1-5/8 In. (Sold by each) (Part No.570-009)
from
$14.99
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:
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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
Dorman – Rubber Expansion Plug 1-3/4 In. – Size Range 1-3/4 In. – 1-7/8 In. (Part No.02605)
from
$10.99
Our Engine Oil Galley Plugs are available in multiple styles, including Cup Type, Pilot Seal, Reverse Taper, Concave, Quick-Seal® Rubber and Quick-Seal ® Copper.
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Product Features:
- Direct replacement – this engine oil galley 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
Dorman – Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (Part No.555-077.1)
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:
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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
Dorman – Pik-a-Nut – Steel Cup Expansion Plug 1/2 In., Height 0.380 (Part No.362605.1)
from
$3.99
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:
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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
Dorman – Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (sold by each) (Part No.555-077)
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:
See More
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
Dorman – Steel Cup Expansion Plug 1/2 In., Height 0.380 (Sold by each) (Part No.555-074)
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:
See More
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
Dorman – Steel Cup Expansion Plug 3/4 In., Height 0.250 (sold by each) (Part No.555-012)
from
$1.79
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:
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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
Dorman – Pik-a-Nut – Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (Part No.362652.1)
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:
See More
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
Dorman – Pik-a-Nut – Steel Cup Expansion Plug 1-9/16 In., Height 0.380 (Part No.362518.1)
from
$3.99
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:
See More
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
Dorman – Pipe Plug C.S. Hex 3/8-18 Nptf X 7/16 In. (sold by each) (Part No.090-047)
from
$3.99
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:
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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
Dorman – Steel Cup Expansion Plug 1-49/64 In., Height 0.380 (Sold by each) (Part No.555-036)
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:
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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
Sealed Power – PLUG KIT (Part No.381-8089)
from
$23.99
Sealed Power parts provide innovative designs, use leading-edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
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Product Features:
- Made with brass
- Resistant to rusting
- ISO & QS certified manufacturing
- For applications over 35 years old
- Meets or exceeds OEM specifications
Dorman – Steel Cup Expansion Plug 1-9/16 In., Height 0.380 (Sold by each) (Part No.555-029)
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:
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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
Dorman – Pik-a-Nut – Steel Cup Expansion Plug 1-49/64 In., Height 0.380 (Part No.362670.1)
from
$1.99
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:
See More
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
Dorman – Ford Brass Expansion Plug Kit, 15 Expansion Plugs, 4 Pipe Plugs (Part No.567-009)
from
$18.99
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:
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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
Popular 1977 Mercury Grand Marquis Freeze and Expansion Plugs Categories
Most Popular Rubber Freeze Plug for 1977 Mercury Grand Marquis
Enhance your 1977 Mercury Grand Marquis with this popular Rubber Freeze Plug we have in stock, for $14.99.
Dorman – Rubber Expansion Plug 1-1/2 In. – Size Range 1-1/2 In. – 1-5/8 In. (Sold by each) (Part No.570-009)
from
$14.99
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:
See More
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
Best-Selling 1977 Mercury Grand Marquis Expansion Plugs
Upgrade your Grand Marquis with one of our 8 best-selling Expansion Plugs, earning an average 5 stars rating across 4 reviews.
Dorman – Pik-a-Nut – Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (Part No.362652.1)
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:
See More
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
Dorman – Pik-a-Nut – Steel Cup Expansion Plug 1-9/16 In., Height 0.380 (Part No.362518.1)
from
$3.99
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:
See More
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
Dorman – Pik-a-Nut – Steel Cup Expansion Plug 1/2 In., Height 0.380 (Part No.362605.1)
from
$3.99
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:
See More
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
Dorman – Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (sold by each) (Part No.555-077)
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:
See More
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
Dorman – Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (Part No.555-077.1)
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:
See More
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
Dorman – Steel Cup Expansion Plug 1/2 In., Height 0.380 (Sold by each) (Part No.555-074)
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:
See More
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
Dorman – Pipe Plug C.S. Hex 3/8-18 Nptf X 7/16 In. (sold by each) (Part No.090-047)
from
$3.99
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:
See More
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
Dorman – Steel Cup Expansion Plug 1-9/16 In., Height 0.380 (Sold by each) (Part No.555-029)
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:
See More
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
Top-Rated Freeze and Expansion Plug Brands For Your 1977 Mercury Grand Marquis
When it comes to finding the perfect Freeze and Expansion Plug for your 1977 Mercury Grand Marquis, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 1 trusted brands. We carry the most popular Freeze and Expansion Plug brands including Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.2 stars) and competitive prices, as low as $1.29. Purchasing a Freeze and Expansion Plug from us here at Advance Auto Parts is a smart move for both you and your 1977 Mercury Grand Marquis, providing peace of mind with parts that meet or exceed OEM standards.
Popular Dorman 1977 Mercury Grand Marquis Freeze and Expansion Plugs
If you’re looking for a top-quality Freeze and Expansion Plug for your 1977 Mercury Grand Marquis, Advance Auto Parts has exactly what you need with our selection of Dorman Freeze and Expansion Plugs. We have 2 Dorman Freeze and Expansion Plugs in stock for this fitment, all known for their durability and precision fit. With prices starting at just $1.29 and an average cost of $2.64, you’ll find the perfect Freeze and Expansion Plug for your needs and budget. Dorman Freeze and Expansion Plugs for the 1977 Mercury Grand Marquis come highly rated, with over 4 customer reviews and an impressive average rating of 4.2 stars. Choosing a Dorman Freeze and Expansion Plug from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
FAQs for 1977 Mercury Grand Marquis Freeze and Expansion Plugs
What are the best-selling Freeze and Expansion Plugs for 1977 Mercury Grand Marquis?
Out of 9 Freeze and Expansion Plugs that fit 1977 Mercury Grand Marquis, the following parts are the top sellers:
- Rubber Expansion Plug 1-1/2 In. – Size Range 1-1/2 In. – 1-5/8 In. (Sold by each) (16140204) – $14.99
- Steel Cup Expansion Plug 1/2 In., Height 0.380 (3492125) – $3.99
- Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (sold by each) (16140194) – $2.99
What’s the price range for 1977 Mercury Grand Marquis Freeze and Expansion Plugs?
The prices of Freeze and Expansion Plugs for the 1977 Mercury Grand Marquis range from $1.29 up to $14.99 for the most premium parts.
What is the average price of a Freeze and Expansion Plug for a 1977 Mercury Grand Marquis?
The average price for Freeze and Expansion Plugs for the 1977 Mercury Grand Marquis is $4.37. Keep in mind the variety of part types within our Freeze and Expansion Plug category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Freeze and Expansion Plugs for other Mercury Grand Marquis model years?
What are the cheapest Freeze and Expansion Plugs for my 1977 Mercury Grand Marquis?
The cheapest 1977 Mercury Grand Marquis Freeze and Expansion Plugs we carry are:
- Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (3492249) – $1.29
- Steel Cup Expansion Plug 1/2 In., Height 0.380 (Sold by each) (22140583) – $1.29
- Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (22972463) – $2.29
- Steel Cup Expansion Plug 1-9/16 In., Height 0.380 (Sold by each) (16140187) – $2.79
- Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (sold by each) (16140194) – $2.99
Does Advance Auto Parts sell Freeze and Expansion Plugs for any other 1977 Mercury models?
Yes. We stock Freeze and Expansion Plugs for 5 other popular 1977 Mercury models. Some of the most popular are 1977 Cougar Freeze and Expansion Plugs, 1977 Capri Freeze and Expansion Plugs, 1977 Marquis Freeze and Expansion Plugs, 1977 Comet Freeze and Expansion Plugs, and 1977 Monarch Freeze and Expansion Plugs.
What are the top-rated Freeze and Expansion Plugs that fit the 1977 Mercury Grand Marquis?
The one 1977 Mercury Grand Marquis Freeze and Expansion Plug we have in stock is the Steel Cup Expansion Plug 1-1/2 In., Height 0.220. It is rated 5 stars and costs $1.29.
What types of Freeze and Expansion Plugs do you sell for my 1977 Mercury Grand Marquis?
As of 11/2/25, these are some of the most in-demand types of Freeze and Expansion Plugs for a 1977 Mercury Grand Marquis:
Can I get help with 1977 Mercury Grand Marquis Freeze and Expansion Plug orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mercury Freeze and Expansion Plugs and more.
What is your return policy for Mercury Grand Marquis Freeze and Expansion Plugs?
Advance Auto Parts keeps returns simple. For new Mercury Grand Marquis Freeze and Expansion Plugs and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.