Are you trying to find automotive engine expansion plugs among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling automotive engine expansion plugs on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 16 hours of research and did 37 automotive engine expansion plugs tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best automotive engine expansion plugs you can buy today
- Replacement Rubber Expansion Plug/Rubber Freeze Plug/ Exhaust Pressure Test Plug
- Size:1-5/8" to 1-3/4" ( 41mm - 44mm)
- Made Of High-Strength Neoprene Rubber & Steel
- It includes 2 pcs
- High Quality and Easy Installation
- 3/4" 7/8" 1" 1-1/8" RUBBER EXPENSION PLUGS: Type 3/4": Fit Hole(Inch): 3/4" - 7/8", Fit Hole(mm): 19mm - 22mm; Type 7/8": Fit Hole(Inch): 7/8" - 1", Fit Hole(mm): 22mm - 25mm; Type 1": Fit Hole(Inch): 1" - 1-1/8", Fit Hole(mm): 25mm - 28mm; Type 1-1/8": Fit Hole(Inch): 1-1/8" - 1-1/4", Fit Hole(mm): 28mm - 31mm;
- 1-1/4" 1-3/8" 1-1/2" RUBBER EXPENSION PLUGS: Type 1-1/4": Fit Hole(Inch): 1-1/4" - 1-3/8", Fit Hole(mm): 31mm - 34mm; Type 1-3/8": Fit Hole(Inch): 1-3/8" - 1-1/2", Fit Hole(mm): 34mm - 38mm; Type 1-1/2": Fit Hole(Inch): 1-1/2" - 1-5/8", Fit Hole(mm): 38mm - 41mm;
- FREEZE FROST EXPANSION PLUGS STRUCTURE: 1.Hex Nut × 1; 2.Steel Plate × 1; 3.Neoprene Rubber × 1; 4.Steel Chassis × 1; 5.O-ring × 1; 6.Steel Carriage Bolt × 1;
- HIGH-QUALITY RUBBER & STEEL: The freeze plugs, made of high quality rubber and alloy, which combine the good elasticity of rubber and the high hardness of alloy, make the expansion plugs easy to use, but not easy to damage.
- EASY TO INSTALL: The quick seal rubber expandable plugs, with precise size, are easy to install. You only need to take off the original oil seal, then put in the new one, then tighten the hexagonal nut, and you can finish the installation.
- PLASTIC STORAGE CONTAINER: Includes a durable but lightweight plastic storage container, which can protect the freeze plugs from being broken and keeps all plugs stored intact.
- WIDE ALLPICATION: Siptenk set of 14pcs rubber expansion plugs can be used to replace rubber expansion plugs/rubber anti-freeze plugs/exhaust pressure test plugs and are available in many sizes.
- AFTER-SALES GUARANTEE: If you have any questions about Siptenk expandable rubber plugs, please feel free to contact us. We will do our best to help you solve the problem and ensure to provide you with a pleasant shopping experience.
- 1-3/4" RUBBER EXPENSION PLUGS: Fit Hole(Inch): 1-3/4" - 1-7/8", Fit Hole(mm): 44mm - 47mm;
- FREEZE FROST EXPANSION PLUGS STRUCTURE: 1.Hex Nut × 1; 2.Steel Plate × 1; 3.Neoprene Rubber × 1; 4.Steel Chassis × 1; 5.O-ring × 1; 6.Steel Carriage Bolt × 1;
- HIGH-QUALITY NEOPRENE RUBBER & STEEL: The freeze plugs, made of high quality rubber and alloy, which combine the good elasticity of rubber and the high hardness of alloy, make the expansion plugs easy to use, but not easy to damage.
- EASY TO INSTALL: The quick seal rubber expandable plugs, with precise size, are easy to install. You only need to take off the original oil seal, then put in the new one, then tighten the hexagonal nut, and you can finish the installation.
- WIDE ALLPICATION: Siptenk neoprene rubber expansion plugs can be used to replace rubber expansion plugs/rubber anti-freeze plugs/exhaust pressure test plugs and are available in many sizes.
- AFTER-SALES GUARANTEE: If you have any questions about the expandable rubber freeze plugs, please feel free to contact us. We will do our best to help you solve the problem and ensure to provide you with a pleasant shopping experience.
- Replacement Rubber Expansion Plug/Rubber Freeze Plug/ Exhaust Pressure Test Plug
- Size:1-1/2" to 1-5/8" (38mm -41mm)
- Made Of High-Strength Neoprene Rubber & Steel
- It includes 3 pcs
- High Quality and Easy Installation
- 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
- Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
- It includes 4 pcs Plugs
- Size:3/4 inch to 7/8 inch (19mm - 22mm)
- Replacement Rubber Expansion Plug/Rubber Freeze Plug/ Exhaust Pressure Test Plug
- High Quality and Easy Installation
- 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
- Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
- 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
- Manufactured from high quality materials for consistent durable wear
- Precision engineered for optimum fit and function
- Designed for long-life and worry-free performance
- Contains all required plugs for completing an engine rebuild
- 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
- Trustworthy quality - backed by team of auto parts experts and engineers in the United States, and 100 years of aftermarket experience
- 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
- Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
- It includes 6 pcs Plugs
- 2 PCS Fit Hole:3/4"~7/8"（19mm~22mm)
- 2 PCS Fit Hole: 7/ 8"~1"（22mm~25mm）
- 2 PCS Fit Hole:1"~1-1/8"（25mm~28mm）
- Replacement Rubber Expansion Plug/Rubber Freeze Plug/ Exhaust Pressure Test Plug
- High Quality and Easy Installation
- 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
- Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
- 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
- Support available - every Dorman part is backed by Dorman's ASE Certified technical support team
- Package Dimensions: 12.953 L x 4.318 H x 19.558 W (centimeters)
- Country of Origin : United States
- Package Weight: 0.294 kilograms
- Oem equivalent part number: 3704158
- 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
- Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
- Fitment: Freeze plug kit, replacement for Ford Small Block Windsor Engines 255ci 260ci 289ci 302ci 351ci 1962-2001.
- Replacing OEM Numbers for Reference: MPE‑108BR, PE‑108R, PE108B, perfectly adapted to your models.
- Premium Quality: Made of high quality solid brass material for consistent durable wear, has long service life.
- Perfect Fitment: Contains all required plugs for completing an engine rebuild, precision engineered for optimum fit and function.
- Package Contains: Package includes 3 x 1/2in oil galley plugs, 6 x 1 1/2in block plugs, 1 x 3/4in block plug, 1 x 2 5/32in cam plug, 4 x 1/4in pipe plugs.
- 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
- Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
- 【Applicable Model】Freeze plug kit, Compatible with Small Block Windsor Engines 255ci 260ci 289ci 302ci 351ci 1962‑2001.
- 【Replacing OEM Numbers】According to the original factory specifications, replacing reference part number is MPE‑108BR, PE‑108R, PE108B.Please verify your part number before purchasing.
- 【Package Contains】Package includes 3 x 1/2in oil galley plugs, 6 x 1 1/2in block plugs, 1 x 3/4in block plug, 1 x 2 5/32in cam plug, 4 x 1/4in pipe plugs.
- 【Premium Quality】Made of high quality solid brass material for durability and easy installation and use.
- 【Perfect Fitment】Parts in the kit are precision engineered and machined for optimal fit and function, making it the perfect replacement partner.
- 100-piece premium hole plug assortment set includes 20 plugs for 1/4" holes and 10 plugs each of for these hole sizes: 3/8", 1/2", 3/4", 1", 1-1/4", 1-1/2", 1-3/4", 2"
- Constructed of durable automotive grade thermoplastic
- For many sheet metal and auto body applications
- Genuine Red Hound Auto product, designed for a direct, perfect fit
How to choose a good automotive engine expansion plugs
Does the idea of finding a fantastic automotive engine expansion plugs make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in automotive engine expansion plugs. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top automotive engine expansion plugs products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top automotive engine expansion plugs on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top automotive engine expansion plugs brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top automotive engine expansion plugs based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the automotive engine expansion plugs were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good automotive engine expansion plugs, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your automotive engine expansion plugs.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting automotive engine expansion plugs for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our automotive engine expansion plugs. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what automotive engine expansion plugs should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on automotive engine expansion plugs.
