Pontiac Expansion Plugs
At Advance Auto, we carry 30 different types of Expansion Plugs for your Pontiac at competitive prices to fit your budget. Save on costs when you find your Pontiac replacement Expansion Plugs with us.
Make sure to compare prices and take a look at the top user reviewed Expansion Plugs that fit your Pontiac. The ratings and reviews for these aftermarket Pontiac 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.
Compare 25 Pontiac Expansion Plugs
Search our full catalog of aftermarket Pontiac Expansion Plugs below. Make sure to check for user reviews of Expansion Plugs to learn which worked the best for our customers.
Dorman – Pik-a-Nut – Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (Part No.362652.1)
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:
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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 1-5/8 In., Height 0.500 (Part No.362657.1)
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 1-9/16 In., Height 0.380 (Part No.362518.1)
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 34.3mm, Height 0.497 (sold by each) (Part No.555-104)
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:
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 34.3mm, Height 0.497 (Part No.362765.1)
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 In., SC, Height 0.250 (Part No.362633.1)
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 34.3mm, Height 0.497 (Part No.555-104.1)
from
$2.49
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:
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 1-1/2 In., Height 0.480 (Part No.362650.1)
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:
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 In., SC, Height 0.250 (sold by each) (Part No.555-018)
from
$2.49
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:
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 7/8 In., Height 0.340 (sold by each) (Part No.555-014)
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:
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
$2.49
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:
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 2-1/16 In., SC, Height 0.270 (Part No.362563.1)
from
$2.49
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:
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 – Gm Steel Expansion Plug Kit, 15 Expansion Plugs, 5 Pipe Plugs (Part No.557-001)
from
$10.29
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
Dorman – Steel Cup Expansion Plug 42.3mm, Height 0.500 (sold by each) (Part No.555-110)
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 – Rubber Expansion Plug 7/8 In. – Size Range 7/8 In. – 1 In. (sold by each) (Part No.570-004)
from
$3.99
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.
Product Features:
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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
Dorman – Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (Part No.555-077.1)
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:
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 – Brass Cup Expansion Plug 1-3/8 In., Height 0.310 (sold by each) (Part No.565-025)
from
$4.49
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:
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 15/16 In., Height 0.380 (sold by each) (Part No.555-016)
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:
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 19/32 In., Height 0.280 (sold by each) (Part No.555-009)
from
$0.79
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
Dorman – Steel Cup Expansion Plug 2-1/4 In., Height 0.565 (sold by each) (Part No.555-052)
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 2-1/64 In., Height 0.650 (sold by each) (Part No.555-045)
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 13.70mm, Height 0.180 (sold by each) (Part No.555-007)
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 1-1/8 In., Height 0.505 (sold by each) (Part No.555-019)
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 – Freeze Plug (Part No.A1030831249DOR)
from
$12.32
Dorman’s Engine Expansion Plugs are available in multiple styles, including Cup Type, Pilot Seal, Reverse Taper, Concave, Quick-Seal® Rubber and Quick-Seal ® Copper. Dorman’s uniquely designed Pilot Seal Expansion Plug ensures a leak-proof fit. Dorman also offer Engine Expansion Plug Kits.
Product Features:
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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
Dorman – Freeze Plug (Part No.A1030831293DOR)
from
$10.43
Dorman’s Engine Expansion Plugs are available in multiple styles, including Cup Type, Pilot Seal, Reverse Taper, Concave, Quick-Seal® Rubber and Quick-Seal ® Copper. Dorman’s uniquely designed Pilot Seal Expansion Plug ensures a leak-proof fit. Dorman also offer Engine Expansion Plug Kits.
Product Features:
See More
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
Expansion Plugs for Other Pontiac Models
Which Pontiac model are you looking to repair? We carry OEM and aftermarket parts for nearly all Pontiac models from top brands. Read reviews, assess ratings, and compare prices to keep your Pontiac running right.
