1966 GMC L3500 Freeze and Expansion Plugs
Keep Your 1966 GMC L3500 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 1966 GMC L3500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Rubber 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.
Competitive Prices and Extensive Inventory
The average price for a 1966 GMC L3500 Freeze and Expansion Plug at Advance Auto Parts is around $11.49, with a range that starts at $10.99 and goes up to $11.99. With 2 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Rubber Expansion Plug 1-3/4 In. – Size Range 1-3/4 In. – 1-7/8 In. and Rubber Expansion Plug 7/8 In. – Size Range 7/8 In. – 1 In. (sold by each) start at just $10.99 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 Oil Pumps. At Advance Auto Parts, we’re here to help you keep your 1966 GMC L3500 in peak condition, inside and out.
Find Your Specific 1966 GMC L3500 Freeze and Expansion Plugs
Looking for the perfect Freeze and Expansion Plug for your 1966 GMC L3500? 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 L3500. Whether you’re driving a 1966 model or another popular model year like
1965 and
1967, 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 1966 GMC L3500 Freeze and Expansion Plugs
Dorman – Rubber Expansion Plug 7/8 In. – Size Range 7/8 In. – 1 In. (sold by each) (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.
Product Features:
See More
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 – 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.
Product Features:
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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
Popular 1966 GMC L3500 Freeze and Expansion Plugs Categories
Most Popular Rubber Freeze Plugs for 1966 GMC L3500s
Enhance your 1966 GMC L3500 with one of the 2 Rubber Freeze Plugs we have in stock, starting at just $10.99.
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.
Product Features:
See More
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 – Rubber Expansion Plug 7/8 In. – Size Range 7/8 In. – 1 In. (sold by each) (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.
Product Features:
See More
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
FAQs for 1966 GMC L3500 Freeze and Expansion Plugs
What are the best-selling Freeze and Expansion Plugs for 1966 GMC L3500s?
Out of 2 Freeze and Expansion Plugs that fit 1966 GMC L3500s, the following parts are the top sellers:
- Rubber Expansion Plug 1-3/4 In. – Size Range 1-3/4 In. – 1-7/8 In. (5701309) – $10.99
- Rubber Expansion Plug 7/8 In. – Size Range 7/8 In. – 1 In. (sold by each) (22146405) – $11.99
What’s the price range for 1966 GMC L3500 Freeze and Expansion Plugs?
The prices of Freeze and Expansion Plugs for the 1966 GMC L3500 range from $10.99 up to $11.99 for the most premium parts.
What is the average price of a Freeze and Expansion Plug for a 1966 GMC L3500?
The average price for Freeze and Expansion Plugs for the 1966 GMC L3500 is $11.49. 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.
What are the cheapest Freeze and Expansion Plugs for my 1966 GMC L3500?
The cheapest 1966 GMC L3500 Freeze and Expansion Plugs we carry are:
- Rubber Expansion Plug 1-3/4 In. – Size Range 1-3/4 In. – 1-7/8 In. (5701309) – $10.99
- Rubber Expansion Plug 7/8 In. – Size Range 7/8 In. – 1 In. (sold by each) (22146405) – $11.99
Does Advance Auto Parts sell Freeze and Expansion Plugs for any other 1966 GMC models?
Yes. We stock Freeze and Expansion Plugs for 14 other popular 1966 GMC models. Some of the most popular are 1966 K15/K1500 Pickup Freeze and Expansion Plugs, 1966 Suburban Freeze and Expansion Plugs, 1966 G1000 Series Freeze and Expansion Plugs, 1966 PB1000 Series Freeze and Expansion Plugs, and 1966 I1500 Freeze and Expansion Plugs.
What types of Freeze and Expansion Plugs do you sell for my 1966 GMC L3500?
We currently have just 1 Freeze and Expansion Plug in stock for a 1966 GMC L3500, and as of 11/2/25, it is a Rubber Freeze Plug.
Can I get help with 1966 GMC L3500 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 L3500 Freeze and Expansion Plugs?
Advance Auto Parts keeps returns simple. For new GMC L3500 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.