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The 8 Best automotive manual transmission main shaft seals of 2025

Are you trying to find automotive manual 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 manual 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 18 hours of research and did 23 automotive manual 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 manual transmission main shaft seals you can buy today

No. 2
GM Genuine Parts 19206242 Manual Transmission Main Shaft Inner Seal
  • Product Type:Auto Part
  • Country Of Origin: United States
  • Item Package Dimension: 2.6" L x 2.6" W x 0.3" H
  • Model Number: 19206242
No. 3
GM Genuine Parts 12530278 Manual Transmission 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
  • country of origin: mexico
  • Fit type: Vehicle Specific
SaleNo. 4
GM Genuine Parts 12455045 Manual Transmission Rear Output Shaft Seal
5 Consomer Reviews
GM Genuine Parts 12455045 Manual 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
  • Country of Origin: United States
SaleNo. 5
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
No. 6
ACDelco GM Original Equipment 89048306 Manual Transmission Rear Output 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 : Japan
No. 8
National 710157 Man Trans Input Shaft Seal
  • Design type: spring loaded; multi-lip
  • Temperature range: -40°F to 225°F / -40°C to 107°C
  • Good low temperature capability
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
  • Material: Nitrile
  • Design type: Spring loaded; multi-lip
  • Temperature range: Minus 40 degree Fahrenheit to 225 degree Fahrenheit
  • Provides good low temperature capability
  • Low swell in hydrocarbon fluids
No. 9
Honda Genuine 91206-PHR-003 Manual Transmission Output Shaft Oil Seal
49 Consomer Reviews
Honda Genuine 91206-PHR-003 Manual Transmission Output Shaft Oil Seal
  • Genuine OEM factory part
  • exact fit
  • durable
  • best in quality
No. 10
National 711040 Manual Transmission Input Shaft Seal
  • Design type: spring loaded; multi-lip
  • Temperature range: -40°F to 225°F / -40°C to 107°C
  • Good low temperature capability
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
No. 11
Crown Automotive Main Shaft Snap Ring Transmission and Transaxle - Manual
  • Direct Replacement
  • High quality construction
  • Top quality products
  • Enhance the style, comfort and functionality of your vehicle
  • Durable and long lasting
No. 12
National 711041 Manual Transmission Output Shaft Seal
  • Design type: spring loaded; multi-lip
  • Temperature range: -40°F to 225°F / -40°C to 107°C
  • Good low temperature capability
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
No. 13
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. 14
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. 16
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
No. 17
Left Manual Transmission Output Shaft Seal Compatible With Honda Accord 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 PC-432993
  • 📦 Includes 1 (One) Manual Transmission Output Shaft Seal
  • 👉 Fits Left of vehicles in image gallery fitment chart
  • ✅ Exceptional Quality and Performance: This OE replacement manual transmission output shaft seal is designed to meet, if not exceed, the performance and quality standards of the original equipment installed on your vehicle. Experience the same high-level performance as your original parts with this manual transmission output shaft seal.
  • ✅ Direct Replacement, No Fuss: This OE replacement manual transmission output shaft seal is meticulously designed for your specific vehicle
  • ✅ Perfect Compatibility: Compatibility is key. Make sure to check our product specifications (in image gallery) to confirm that this OE replacement manual transmission output shaft seal matches your vehicle
No. 18
ACDelco GM Original Equipment 24236395 Automatic Transmission Manual Shift 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
No. 19
National 710982 Manual 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. 20
Timken 312518 Manual Transmission Shift Shaft Seal
  • 0.1250 WIDTH
  • 0.7500IN ID
  • 1.0050IN OD
  • OIL SEAL
  • SINGLE LIP

How to choose a good automotive manual transmission main shaft seals

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

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