Best Dorman Engine Expansion Plugs in 2026
Daisy
Last Updated: Feb 8, 2026
Daisy
Last Updated: Feb 8, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Ideal solution - this universal oil drain plug is designed to replace an original plug to help prevent oil leaks if the threads on the original plug or the oil pan are stripped or the plug is missing
Check clearance - designed to fit pans with factory drain plugs from .500 inch to .750 inch or M12 to M18; do not use on certain Honda, VW or other vehicles that lack safe clearance from internal components
Dependable design - manufactured to precise specifications to create the best possible seal in place of the factory drain plug, and provide reliable service
Trustworthy quality - backed by a 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 Blue Seal Certified technical support team
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
PVP
Country of Origin : China
Package Weight: 0.022 pounds
Package Dimensions: 9.652 L x 3.048 H x 7.62 W (centimeters)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Preventative repair - this crossmember plug seals off the open sections of the chassis crossmembers to prevent corrosion from sediment buildup
Easy to install - made of molded plastic, this crossmember plug requires no tools to install and is held in place with a snug friction fit
Durable materials - made of tough, weather-resistant plastic for durability
Quality assured - part has undergone fitment testing to ensure proper fit
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Dorman Expansion Plugs
Constructed from high quality brass
Dorman’s Engine Expansion Plugs are constructed to strict engineering quality standards
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
Cost-effective - has similar performance to part that originally came on vehicle, but is priced far below getting replacement from dealership
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| AutoPlus Auto Parts | 9.42 | ❌ | ❌ | ❌ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Direct replacement - this engine cylinder head 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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Product Type: Auto Part
Package Quantity: 1
Made In China
Package Dimensions: 4.318Cm (L) X 8.382Cm (W) X 9.906Cm (H)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
Cost-effective - has similar performance to part that originally came on vehicle, but is priced far below getting replacement from dealership
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Dorman | 37 |
We've carried out a comprehensive analysis of 1,319 reviews on engine expansion plugs dorman, using our selection criteria to identify the best options in the automotive replacement parts. Our findings reveal that most customers typically select engine expansion plugs dorman priced around $15.62, with top brands including and dorman
Our team of expert editors reviewed these high-quality items and handpicked the top 12 engine expansion plugs dorman for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the automotive replacement parts category. These include and amazon.com .
We are dedicated to assisting our users in finding the right plugs Products based on their needs, saving them considerable time when choosing which engine expansion plugs dorman to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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