Mercury Expansion Plugs

At Advance Auto, we carry 27 different types of Expansion Plugs for your Mercury at competitive prices to fit your budget. Save on costs when you find your Mercury replacement Expansion Plugs with us.

Make sure to compare prices and take a look at the top user reviewed Expansion Plugs that fit your Mercury. The ratings and reviews for these aftermarket Mercury Expansion Plugs really help you make the right decision.

Whether you’re a do-it-yourselfer or trained auto tech, you’ll appreciate the convenience of home or business delivery, or picking up your Expansion Plugs at the nearest Advance Auto Parts location.

Please Select your Vehicle to See Exact Fit Parts

Compare 25 Mercury Expansion Plugs

Search our full catalog of aftermarket Mercury Expansion Plugs below. Make sure to check for user reviews of Expansion Plugs to learn which worked the best for our customers.

Dorman – Dorman Rubber Expansion Plug 3/4 In. – Size Range 3/4 In. – 7/8 In., 02608 (Part No.02608)

Dorman Rubber Expansion Plug 3/4 In. - Size Range 3/4 In. - 7/8 In., 02608

from

$11.49
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._
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Dorman – Pik-a-Nut – Dorman – Pik-a-Nut Steel Cup Expansion Plug 1-9/16 In., Height 0.380, 362518.1 (Part No.362518.1)

Dorman - Pik-a-Nut Steel Cup Expansion Plug 1-9/16 In., Height 0.380, 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.
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Dorman – Pik-a-Nut – Dorman – Pik-a-Nut Steel Cup Expansion Plug 35.21mm, Height 0.380, 362648.1 (Part No.362648.1)

Dorman - Pik-a-Nut Steel Cup Expansion Plug 35.21mm, Height 0.380, 362648.1

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.
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Dorman – Dorman Rubber Expansion Plug 1-1/2 In. – Size Range 1-1/2 In. – 1-5/8 In. (Sold by each), 570-009 (Part No.570-009)

Dorman Rubber Expansion Plug 1-1/2 In. - Size Range 1-1/2 In. - 1-5/8 In. (Sold by each), 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.
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Dorman – Dorman Steel Cup Expansion Plug 1 In., SC, Height 0.250 (Sold by each), 555-018 (Part No.555-018)

Dorman Steel Cup Expansion Plug 1 In., SC, Height 0.250 (Sold by each), 555-018

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.
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Dorman – "Dorman Steel Cup Expansion Plug 3/8"", Height 0.150"" (Sold by each), 555-115" (Part No.555-115)

"Dorman Steel Cup Expansion Plug 3/8"", Height 0.150"" (Sold by each), 555-115"

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.
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Dorman – Pik-a-Nut – Dorman – Pik-a-Nut Steel Cup Expansion Plug 1/2 In., Height 0.380, 362605.1 (Part No.362605.1)

Dorman - Pik-a-Nut Steel Cup Expansion Plug 1/2 In., Height 0.380, 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.
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Dorman – Dorman Rubber Expansion Plug 1-5/8 In. – Size Range 1-5/8 In. – 1-3/4 In. (Sold by each), 570-010 (Part No.570-010)

Dorman Rubber Expansion Plug 1-5/8 In. - Size Range 1-5/8 In. - 1-3/4 In. (Sold by each), 570-010

from

$13.99
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.
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Dorman – Dorman Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (Sold by each), 555-077 (Part No.555-077)

Dorman Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (Sold by each), 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.
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Dorman – Dorman Rubber Expansion Plug 2 In. – Size Range 2 In. – 2-1/8 In., 02607 (Part No.02607)

Dorman Rubber Expansion Plug 2 In. - Size Range 2 In. - 2-1/8 In., 02607

from

$11.49
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.
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Dorman – Dorman Steel Cup Expansion Plug 40.08mm, Height 0.450 (Sold by each), 555-095 (Part No.555-095)

Dorman Steel Cup Expansion Plug 40.08mm, Height 0.450 (Sold by each), 555-095

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.
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Dorman – Dorman Steel Cup Expansion Plug 1-49/64 In., Height 0.380 (Sold by each), 555-036 (Part No.555-036)

Dorman Steel Cup Expansion Plug 1-49/64 In., Height 0.380 (Sold by each), 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.
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Dorman – Dorman Steel Cup Expansion Plug 5/8 In., Height 0.650 (Sold by each), 555-010 (Part No.555-010)

Dorman Steel Cup Expansion Plug 5/8 In., Height 0.650 (Sold by each), 555-010

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.
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Dorman – Dorman Rubber Expansion Plug 7/8 In. – Size Range 7/8 In. – 1 In. (Sold by each), 570-004 (Part No.570-004)

Dorman Rubber Expansion Plug 7/8 In. - Size Range 7/8 In. - 1 In. (Sold by each), 570-004

from

$11.99
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.
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Dorman – Dorman Steel Cup Expansion Plug 1-1/2 In., Height 0.220, 555-077.1 (Part No.555-077.1)

Dorman Steel Cup Expansion Plug 1-1/2 In., Height 0.220, 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.
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Dorman – Pik-a-Nut – Dorman – Pik-a-Nut Steel Cup Expansion Plug 40.08mm, Height 0.450, 362780.1 (Part No.362780.1)

Dorman - Pik-a-Nut Steel Cup Expansion Plug 40.08mm, Height 0.450, 362780.1

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.
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Dorman – Dorman Steel Cup Expansion Plug 2-1/8 In. SC, Height 0.360 (Sold by each), 555-070 (Part No.555-070)

Dorman Steel Cup Expansion Plug 2-1/8 In. SC, Height 0.360 (Sold by each), 555-070

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.
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Dorman – Dorman Steel Cup Expansion Plug 1-41/64 In., Height 0.360 (Sold by each), 555-068 (Part No.555-068)

Dorman Steel Cup Expansion Plug 1-41/64 In., Height 0.360 (Sold by each), 555-068

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.
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Dorman – Dorman Brass Expansion Plug Kit, 10 Expansion Plugs, 4 Pipe Plugs, 02663 (Part No.02663)

Dorman Brass Expansion Plug Kit, 10 Expansion Plugs, 4 Pipe Plugs, 02663

from

$26.99
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.
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Dorman – "Dorman Steel Cup Expansion Plug 18mm, Height 0.230"" (Sold by each), 555-102" (Part No.555-102)

"Dorman Steel Cup Expansion Plug 18mm, Height 0.230"" (Sold by each), 555-102"

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.
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Dorman – Dorman Steel Cup Expansion Plug 1/2 In., Height 0.380 (Sold by each), 555-074 (Part No.555-074)

Dorman Steel Cup Expansion Plug 1/2 In., Height 0.380 (Sold by each), 555-074

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.
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Dorman – Dorman Steel Cup Expansion Plug 40.08mm, Height 0.450, 555-095.1 (Part No.555-095.1)

Dorman Steel Cup Expansion Plug 40.08mm, Height 0.450, 555-095.1

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.
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Dorman – Dorman Steel Cup Expansion Plug 2-1/4 In., Height 0.370 (Sold by each), 555-084 (Part No.555-084)

Dorman Steel Cup Expansion Plug 2-1/4 In., Height 0.370 (Sold by each), 555-084

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.
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Dorman – Dorman Steel Cup Expansion Plug 1-41/64 In., Height 0.360, 555-068.1 (Part No.555-068.1)

Dorman Steel Cup Expansion Plug 1-41/64 In., Height 0.360, 555-068.1

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.
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Dorman – Dorman Steel Reverse Taper Cup Expansion Plug 3/8 In. SC, Height 0.310 In. (Sold by each), 555-054 (Part No.555-054)

Dorman Steel Reverse Taper Cup Expansion Plug 3/8 In. SC, Height 0.310 In. (Sold by each), 555-054

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.
See More