1981 GMC Caballero Freeze and Expansion Plugs
Keep Your 1981 GMC Caballero 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 1981 GMC Caballero looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Expansion Plug – Pipes, Rubber Freeze Plugs, and Steel Freeze 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 37 reviews and a solid 4.8 star average, you can shop with confidence knowing other GMC Caballero owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1981 GMC Caballero Freeze and Expansion Plug at Advance Auto Parts is around $8.33, with a range that starts at $0.55 and goes up to $44.99. With 20 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Dorman Rubber Expansion Plug 1-1/2 In. – Size Range 1-1/2 In. – 1-5/8 In. (Sold by each), 570-009, Dorman Rubber Expansion Plug 1-5/8 In. – Size Range 1-5/8 In. – 1-3/4 In. (Sold by each), 570-010, and Dorman Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (Sold by each), 555-077 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 1981 GMC Caballero in peak condition, inside and out.
Find Your Specific 1981 GMC Caballero Freeze and Expansion Plugs
Looking for the perfect Freeze and Expansion Plug for your 1981 GMC Caballero? 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 GMC Caballero. Whether you’re driving a 1981 model or another popular model year like
1978,
1979,
1980,
1982,
1983,
1984,
1985,
1986, and
1987, 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 1981 GMC Caballero Freeze and Expansion Plugs
Dorman – Help – Dorman – Help Rubber Expansion Plug 1 In. – Size Range 1 In. – 1-1/8 In., 02600 (Part No.02600)
from
$7.99
This engine oil galley 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 In. – Size Range 1 In. – 1-1/8 In. (Sold by each), 570-005 (Part No.570-005)
from
$4.99
This engine oil galley 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
Dorman – Dorman Rubber Expansion Plug 1-1/4 In. – Size Range 1-1/4 In. – 1-3/8 In. (Sold by each), 570-007 (Part No.570-007)
from
$13.99
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.
See More
Dorman – Dorman Rubber Expansion Plug 1-1/8 In. – Size Range 1-1/8 In. – 1-1/4 In. (Sold by each), 570-006 (Part No.570-006)
from
$6.99
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.
See More
Dorman – Dorman Steel Cup Expansion Plug 1-9/16 In., Height 0.380 (Sold by each), 555-029 (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.
See More
Dorman – Pik-a-Nut – Dorman – Pik-a-Nut Steel Cup Expansion Plug 1-1/2 In., Height 0.220, 362652.1 (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.
See More
Dorman – Pik-a-Nut – Dorman – Pik-a-Nut Steel Cup Expansion Plug 1-1/2 In., Height 0.480, 362650.1 (Part No.362650.1)
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.
See More
Dorman – Dorman Steel Cup Expansion Plug 1-1/2 In., Height 0.480 (Sold by each), 555-028 (Part No.555-028)
from
$3.79
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
Dorman – Dorman Steel Cup Expansion Plug 2-3/32 In., Height 0.530 (Sold by each), 555-085 (Part No.555-085)
from
$2.99
This engine camshaft 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
Dorman – Dorman Brass Expansion Plug Kit, 15 Expansion Plugs, 5 Pipe Plugs, 567-001 (Part No.567-001)
from
$17.99
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.
See More
Dorman – Pik-a-Nut – Dorman – Pik-a-Nut Steel Cup Expansion Plug 1-5/8 In., Height 0.500, 362657.1 (Part No.362657.1)
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.
See More
Mr. Gasket – Mr. Gasket Brass Freeze Plug Kit, 6481 (Part No.6481)
from
$44.99
Eliminate any chance of rusted out freeze plugs with a Mr. Gasket Brass Freeze Plug Kit. Though designed for marine applications, kits are for long-term stored vehicles as well as every day street use. Kit includes all plugs needed for a complete engine. Fits Chevrolet small block .
See More
Dorman – Dorman Steel Cup Expansion Plug 2-1/64 In., Height 0.650 (Sold by each), 555-045 (Part No.555-045)
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.
See More
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)
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.
See More
Dorman – Dorman Steel Cup Expansion Plug 1-5/8 In., Height 0.500, 555-030.1 (Part No.555-030.1)
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.
See More
Dorman – Dorman Steel Cup Expansion Plug 1-1/2 In., Height 0.220, 555-077.1 (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.
See More
Dorman – Dorman Steel Cup Expansion Plug 1-1/8 In., Height 0.505 (Sold by each), 555-019 (Part No.555-019)
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.
See More
Dorman – Dorman Rubber Expansion Plug 7/8 In. – Size Range 7/8 In. – 1 In. (Sold by each), 570-004 (Part No.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 Brass Pipe Plug – Square Head – 3/8 In. MNPT, 785-072D (Part No.785-072D)
from
$5.29
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 Length service life.
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Dorman – Pik-a-Nut – Dorman – Pik-a-Nut Pipe Fitting-Pipe Plug-Hex Head-1/4 In. MNPT, 321214.1 (Part No.321214.1)
from
$1.99
Our Pipe Plugs are manufactured with a high corrosion resistance for long-lasting performance. They’re conveniently available in packs of varying quantities.
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Dorman – Dorman Pipe Plug-Square Head-3/8 In. Mnpt, 785-072 (Part No.785-072)
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 Length service life.
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Popular 1981 GMC Caballero Freeze and Expansion Plugs Categories
Most Popular Expansion Plug – Pipe for 1981 GMC Caballeros
Enhance your 1981 GMC Caballero with this popular Expansion Plug – Pipe we have in stock, for $1.99.
Dorman – Pik-a-Nut – Dorman – Pik-a-Nut Pipe Fitting-Pipe Plug-Hex Head-1/4 In. MNPT, 321214.1 (Part No.321214.1)
from
$1.99
Our Pipe Plugs are manufactured with a high corrosion resistance for long-lasting performance. They’re conveniently available in packs of varying quantities.
See More
Best-Selling 1981 GMC Caballero Rubber Freeze Plugs
Upgrade your Caballero with one of our 3 best-selling Rubber Freeze Plugs, earning an average 5 stars rating across 2 reviews.
Dorman – Help – Dorman – Help Rubber Expansion Plug 1 In. – Size Range 1 In. – 1-1/8 In., 02600 (Part No.02600)
from
$7.99
This engine oil galley 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
Dorman – Dorman Rubber Expansion Plug 1-1/8 In. – Size Range 1-1/8 In. – 1-1/4 In. (Sold by each), 570-006 (Part No.570-006)
from
$6.99
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.
See More
Dorman – Dorman Rubber Expansion Plug 1 In. – Size Range 1 In. – 1-1/8 In. (Sold by each), 570-005 (Part No.570-005)
from
$4.99
This engine oil galley 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
Top-Quality Steel Freeze Plugs for 1981 GMC Caballeros
Choose a high-quality OEM or aftermarket Steel Freeze Plug for GMC Caballeros and enjoy top-notch performance from $1.29.
Dorman – Pik-a-Nut – Dorman – Pik-a-Nut Steel Cup Expansion Plug 1-1/2 In., Height 0.220, 362652.1 (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.
See More
Dorman – Dorman Steel Cup Expansion Plug 1-9/16 In., Height 0.380 (Sold by each), 555-029 (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.
See More
Our Top Pick for a 1981 GMC Caballero Cylinder Head Expansion Plug
Invest in a
durable Cylinder Head Expansion Plug for your 1981 GMC, knowing you’re getting trusted brands and expert craftsmanship.
Dorman – Dorman Steel Cup Expansion Plug 2-3/32 In., Height 0.530 (Sold by each), 555-085 (Part No.555-085)
from
$2.99
This engine camshaft 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
Top-Rated Expansion Plugs for 1981 GMC Caballeros
Make a smart move for your 1981 GMC Caballero with products all priced from $1.49 to $44.99.
Dorman – Dorman Brass Expansion Plug Kit, 15 Expansion Plugs, 5 Pipe Plugs, 567-001 (Part No.567-001)
from
$17.99
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.
See More
Dorman – Dorman Steel Expansion Plug Kit, 12 Expansion Plugs, 5 Pipe Plugs, 02650 (Part No.02650)
from
$14.49
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.
See More
Dorman – Pik-a-Nut – Dorman – Pik-a-Nut Steel Cup Expansion Plug 1-5/8 In., Height 0.500, 362657.1 (Part No.362657.1)
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.
See More
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)
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.
See More
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)
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.
See More
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)
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.
See More
Dorman – Dorman Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (Sold by each), 555-077 (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.
See More
Dorman – Dorman Steel Expansion Plug Kit, 15 Expansion Plugs, 5 Pipe Plugs, 557-001 (Part No.557-001)
from
$12.99
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.
See More
Dorman – Dorman Steel Cup Expansion Plug 1-1/2 In., Height 0.220, 555-077.1 (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.
See More
Dorman – Dorman Steel Cup Expansion Plug 1-1/8 In., Height 0.505 (Sold by each), 555-019 (Part No.555-019)
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.
See More
Mr. Gasket – Mr. Gasket Brass Freeze Plug Kit, 6481 (Part No.6481)
from
$44.99
Eliminate any chance of rusted out freeze plugs with a Mr. Gasket Brass Freeze Plug Kit. Though designed for marine applications, kits are for long-term stored vehicles as well as every day street use. Kit includes all plugs needed for a complete engine. Fits Chevrolet small block .
See More
Dorman – Dorman Steel Cup Expansion Plug 1-5/8 In., Height 0.500, 555-030.1 (Part No.555-030.1)
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.
See More
Dorman – Dorman Steel Cup Expansion Plug 1-7/32 In., Height 0.500 (Sold by each), 555-022 (Part No.555-022)
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.
See More
Top-Rated Freeze and Expansion Plug Brands For Your 1981 GMC Caballero
When it comes to finding the perfect Freeze and Expansion Plug for your 1981 GMC Caballero, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 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 1981 GMC Caballero, providing peace of mind with parts that meet or exceed OEM standards.
Popular Dorman 1981 GMC Caballero Freeze and Expansion Plugs
If you’re looking for a top-quality Freeze and Expansion Plug for your 1981 GMC Caballero, Advance Auto Parts has exactly what you need with our selection of Dorman Freeze and Expansion Plugs. We have 3 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 $9.09, you’ll find the perfect Freeze and Expansion Plug for your needs and budget. Dorman Freeze and Expansion Plugs for the 1981 GMC Caballero come highly rated, with over 6 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.
from
$1.29
(3)
Dorman – Pik-a-Nut Steel Cup Expansion Plug 1-1/2 In., Height 0.220, 362652.1
“worked out great. no problems”
from
$7.99
(2)
Dorman – Help Rubber Expansion Plug 1 In. – Size Range 1 In. – 1-1/8 In., 02600
“Needed plug for transmission.
Seems to be working.”
from
$17.99
(1)
Dorman Brass Expansion Plug Kit, 15 Expansion Plugs, 5 Pipe Plugs, 567-001
“Fat perfect”
FAQs for 1981 GMC Caballero Freeze and Expansion Plugs
What are the best-selling Freeze and Expansion Plugs for 1981 GMC Caballeros?
Out of 20 Freeze and Expansion Plugs that fit 1981 GMC Caballeros, the following parts are the top sellers:
- Dorman Rubber Expansion Plug 1-1/2 In. – Size Range 1-1/2 In. – 1-5/8 In. (Sold by each), 570-009 (16140204) – $14.99
- Dorman Rubber Expansion Plug 1-5/8 In. – Size Range 1-5/8 In. – 1-3/4 In. (Sold by each), 570-010 (16140217) – $13.99
- Dorman Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (Sold by each), 555-077 (16140194) – $2.99
What’s the price range for 1981 GMC Caballero Freeze and Expansion Plugs?
The prices of Freeze and Expansion Plugs for the 1981 GMC Caballero range from $0.55 up to $44.99 for the most premium parts.
What is the average price of a Freeze and Expansion Plug for a 1981 GMC Caballero?
The average price for Freeze and Expansion Plugs for the 1981 GMC Caballero is $8.33. 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 GMC Caballero model years?
What are the cheapest Freeze and Expansion Plugs for my 1981 GMC Caballero?
The cheapest 1981 GMC Caballero Freeze and Expansion Plugs we carry are:
- Dorman – Pik-a-Nut Steel Cup Expansion Plug 1-1/2 In., Height 0.220, 362652.1 (3492249) – $1.29
- Dorman Steel Cup Expansion Plug 1-7/32 In., Height 0.500 (Sold by each), 555-022 (22140593) – $1.49
- Dorman Steel Cup Expansion Plug 1-1/8 In., Height 0.505 (Sold by each), 555-019 (16140180) – $1.99
- Dorman – Pik-a-Nut Pipe Fitting-Pipe Plug-Hex Head-1/4 In. MNPT, 321214.1 (9075151) – $1.99
- Dorman Steel Cup Expansion Plug 1-1/2 In., Height 0.220, 555-077.1 (22972463) – $2.29
Does Advance Auto Parts sell Freeze and Expansion Plugs for any other 1981 GMC models?
Yes. We stock Freeze and Expansion Plugs for 11 other popular 1981 GMC models. Some of the most popular are 1981 Jimmy Freeze and Expansion Plugs, 1981 K2500 Freeze and Expansion Plugs, 1981 C2500 Freeze and Expansion Plugs, 1981 K1500 Freeze and Expansion Plugs, and 1981 C1500 Freeze and Expansion Plugs.
What are the top-rated Freeze and Expansion Plugs that fit the 1981 GMC Caballero?
Based on 37 reviews by customers, our 1981 GMC Caballero Freeze and Expansion Plugs have an average customer rating of 4.8 stars. These are the highest-rated categories of Freeze and Expansion Plugs for the 1981 GMC Caballero and their top-rated products:
- Rubber Freeze Plugs
- Expansion Plugs
- Dorman – Pik-a-Nut Steel Cup Expansion Plug 1-5/8 In., Height 0.500, 362657.1 (3492265) – $2.99
- Dorman Brass Expansion Plug Kit, 15 Expansion Plugs, 5 Pipe Plugs, 567-001 (22148412) – $17.99
- Dorman Steel Expansion Plug Kit, 12 Expansion Plugs, 5 Pipe Plugs, 02650 (5703506) – $14.49
- Steel Freeze Plugs
What types of Freeze and Expansion Plugs do you sell for my 1981 GMC Caballero?
As of 8/2/26, these are some of the most in-demand types of Freeze and Expansion Plugs for a 1981 GMC Caballero:
Can I get help with 1981 GMC Caballero 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 GMC Freeze and Expansion Plugs and more.
What is your return policy for GMC Caballero Freeze and Expansion Plugs?
Advance Auto Parts keeps returns simple. For new GMC Caballero 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.