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The 8 Best automotive automatic transmission main shaft seals of 2025

Are you trying to find automotive automatic transmission main shaft seals 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 automatic transmission main shaft seals 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 15 hours of research and did 29 automotive automatic transmission main shaft seals 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 automatic transmission main shaft seals you can buy today

No. 1
ATP Automotive Automatic Transmission Selector Shaft Seal
  • Package Dimension : 3.5 " L x 3.5 " W x 1 " H
  • Item Package Weight : 0.04 pounds
  • Country of Origin: CHINA
  • Model Number : TO-15
No. 2
ATP Automotive ATP FO-15 Automatic Transmission Control Shaft Seal
  • Manufactured to meet or exceed original equipment specs
  • Package Dimensions: 9.144 H x 2.794 L x 8.128 W (centimetres)
  • Package Weight: 0.018 kilograms
  • Country of Origin : China
No. 3
ACDelco Gold 8792S Automatic Transmission Shift Shaft Seal
  • Dependable replacement
  • Economically priced
  • Provides the performance you expect. Shaft Diameter: 0.500 in
  • Country of Origin : Taiwan
No. 4
GM Genuine Parts 8673526 Automatic Transmission Rear Output Shaft Seal
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
  • GM-recommended replacement for your GM vehicle’s original factory component
SaleNo. 5
ATP automotive CO-36 Automatic Transmission Extension Housing Seal
  • Manufactured to meet or exceed original equipment specs
  • Part number: CO-36
  • Package Weight: 0.05 pounds
  • Package Dimensions: 2.794 H x 9.144 L x 9.144 W (centimeters)
No. 6
ATP Automotive SO-19 Automatic Transmission Selector Shaft Seal
  • Manufactured to meet or exceed original equipment specs
  • Package Dimensions: 2.794 H x 9.906 L x 9.652 W (centimetres)
  • Package Weight: 0.2 pounds
  • Country of Origin : China
No. 7
ATP HO-22 Automatic Transmission Control Shaft Seal
  • Manufactured to meet or exceed original equipment specs
  • Package Dimensions: 2.54 H x 9.144 L x 8.89 W (centimetres)
  • Package Weight: 0.100 pounds
  • Country of Origin : Taiwan
No. 8
ACDelco Gold 221207 Automatic Transmission Seal
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
  • Premium aftermarket replacement part; Flange Material: Steel
  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
  • Provides The Performance You Expect From Acdelco
SaleNo. 9
GM Parts 8657163 Automatic Transmission Manual Shift Shaft Seal
  • Country Of Origin : United States
  • The package length is 2.54 centimeters
  • The package height is 2.54 centimeters
  • The package width is 15.748 centimeters
SaleNo. 10
ACDelco GM Genuine Parts 3764601 Automatic Transmission Rear Output Shaft Seal
  • Country Of Origin: China
  • The package length is 14.986 centimeters
  • The package height is 0.508 centimeters
  • The package width is 9.652 centimeters
No. 11
Timken 710632 Automatic Transmission Output Shaft Seal
  • Country of Origin : China
  • Designed to meet or exceed original part specifications
  • Auto Trans Output Shaft Seal
  • Fits various makes and models
No. 12
GM Genuine Parts 24260763 Automatic Transmission Front Wheel Drive Shaft Seal
  • Recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability
  • Manufactured to GM OE specification for fit, form, and function
  • Country of origin : United States
No. 13
National Right Transmission Output Shaft Seal compatible with Nissan Altima 2007-2018
  • This National Automatic Transmission Output Shaft Seal is compatible with Nissan Altima 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007 (Right)
  • Genuine National Parts
  • Includes original packaging and hardware
  • Direct replacement auto parts
  • Confirm vehicle fitment with Amazon Confirmed Fit
SaleNo. 14
National 711015 Automatic Transmission Output Shaft Seal
  • Design type: spring loaded; multi-lip
  • Temperature range: -20°F to 300°F / -29°C to 49°C
  • Protection from EP lubricants
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
No. 15
GM Genuine Parts 8677463 Automatic Transmission Rear Output Shaft Seal
  • leading manufacturer of high-quality products
  • international renown for our diverse range of award-winning products
  • fully equipped with state-of-the-art technology
  • all products have been designed with the professional in mind
  • constantly modernizing our powerful devices to meet the demands of the modern user
  • Fit type: Vehicle Specific
No. 16
National Left Transmission Output Shaft Seal compatible with Nissan Altima 2007-2014
  • This National Automatic Transmission Output Shaft Seal is compatible with Nissan Altima 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007 (Left)
  • Genuine National Parts
  • Includes original packaging and hardware
  • Direct replacement auto parts
  • Confirm vehicle fitment with Amazon Confirmed Fit
SaleNo. 17
ACDelco GM Genuine Parts 24202535 Automatic Transmission Torque Converter Seal
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
No. 18
ACDelco Gold 3543 Crankshaft Front Oil Seal
  • Dependable replacement
  • Economically priced
  • Provides the performance you expect
  • Country of Origin : Taiwan
SaleNo. 19
GM Genuine Parts 24224655 Automatic Transmission Turbine Shaft Fluid Seal
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
No. 20
National 710977 Automatic Transmission Output Shaft Seal
  • Design type: spring loaded; multi-lip
  • Temperature range: -20°F to 300°F / -29°C to 49°C
  • Protection from EP lubricants
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair

How to choose a good automotive automatic transmission main shaft seals

Does the idea of finding a fantastic automotive automatic transmission main shaft seals 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 automatic transmission main shaft seals. 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 automatic transmission main shaft seals 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 automatic transmission main shaft seals 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 automatic transmission main shaft seals 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 automatic transmission main shaft seals 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 automatic transmission main shaft seals 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 automatic transmission main shaft seals, 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 automatic transmission main shaft seals.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting automotive automatic transmission main shaft seals 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 automatic transmission main shaft seals. 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 automatic transmission main shaft seals 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 automatic transmission main shaft seals.