Best Rear Main Seal Sealer Available Right Now (2023)

Sometimes it might be quite difficult to find the best rear main seal sealer. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this rear main seal sealer buying guide.

Our Best Picks:

#	Preview	Product
1		BlueDevil 00234 Rear Main Sealer - 8 Ounce	Check Price
2		Dorman 635-518 Engine Rear Main Seal Cover Compatible with Select Models	Check Price
3		3164780 Crankshaft Rear Main Seal & Wear Sleeve Installer & Seal Remover Tool for Cummins ISX QSX...	Check Price
4		635-518 Rear Main Seal Kit 4.8 5.3 6.0 6.2 Fit For Chevy GMC 12633579 12639250	Check Price
5		FEL-PRO BS 40640 Rear Main Seal Set	Check Price
6		FEL-PRO BS 40689 Rear Main Seal Set	Check Price
7		303-770 Crankshaft Rear Main Seal Installer Tool for Ford 4.5L, 6.0L & 6.4L Powerstroke, Rear Seal &...	Check Price
8		Rear Main Seal Cover Kit with Gasket Compatible with Chevrolet Corvette Camaro Silverado Tahoe GMC...	Check Price
9		Crankshaft Rear Main Seal - with Housing Cover, Gasket, Bolt Kit Replacement for 4.8 5.3 6.0 6.2 GMC...	Check Price
10		FEL-PRO BS 40644 Rear Main Seal Set	Check Price

Our Favorite Rear Main Seal Sealer Reviews:

SaleBestseller No. 1

BlueDevil 00234 Rear Main Sealer - 8 Ounce

• Guaranteed Permanent Seal
• Restores Dried, Cracked and Shrunken Seals
• Works in Gas or Diesel Engines

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Bestseller No. 2

Dorman 635-518 Engine Rear Main Seal Cover Compatible with Select Models

• Direct replacement - this rear main seal cover kit matches the factory design, and includes a new gasket, installation hardware, and an updated seal design for superior leak prevention
• Durable construction - the timing cover in this kit is made of die-cast aluminum for a leak-free fit and durability
• Convenient solution - this kit includes a new gasket and installation hardware for a complete repair
• Quality tested - this part has undergone extensive testing to ensure a quality fit and long service life
• Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool

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Bestseller No. 3

3164780 Crankshaft Rear Main Seal & Wear Sleeve Installer & Seal Remover Tool for Cummins ISX QSX ISX15 ISX12

• FITMENT – Work on Cummins Signature, ISX & QSX，ISX12 and ISX15 engine. It will fit the newest Cummins seal perfectly.
• BENEFITS -- Specifically design to install and remove the crankshaft rear seal & wear sleeve, saving time and reducing risk of crankshaft seal surface damage during removal.
• DIRECT REPLACEMENT -- This is a high-quality aftermarket alternative to OEM #3164780 (seal/sleeve kit PN 4965569).
• SUPERIOR MATERIAL -- Made from high standard carbon steel which can withstand corrosion, rust and impact, its heavy duty construction ensures an unparalleled long lifespan.
• 100% SATISFACTION GUARANTEE -- If you're not 100% satisfied with your tool, simply return it for a full refund in 30 days, guarantee with 12 months’ warranty.

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Bestseller No. 4

635-518 Rear Main Seal Kit 4.8 5.3 6.0 6.2 Fit For Chevy GMC 12633579 12639250

• Part number: 635-518, 126335791, 2639250
• Replacement for 2012-2013 Chevy Tahoe and Chevy Suburban 1500, 2013 Chevy Silverado 1500, 2012 Chevy Express 1500, 2014 Chevy Silverado 2500 HD and Chevy Express 2500, 2012 2013 2014 2018 Chevy Express 3500, 2012 2013 2014 2018 Chevy Express 3500, 2012 Chevy Avalanche and Cadillac Escalade ESV
• Replacement for 2013 GMC Yukon and Sierra 1500, 2015 GMC Sierra 2500 HD, 2012 2014 2015 GMC Savana 3500
• Made of high-quality aluminum, after strict quality inspection and testing, reliable and durable quality, perfect match the original model
• The rear main seal cover kit includes a new gasket, installation hardware, and an updated seal design for superior leak prevention

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SaleBestseller No. 5

FEL-PRO BS 40640 Rear Main Seal Set

• Rear main bearing oil seal installation set
• Application specific design to ensure a perfect fit
• Meets or exceeds all original equipment specifications
• Engineered and manufactured specifically for repair applications
• Unsurpassed quality you can trust

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Bestseller No. 6

FEL-PRO BS 40689 Rear Main Seal Set

• Rear main bearing oil seal installation set
• Application specific design to ensure a perfect fit
• Meets or exceeds all original equipment specifications
• Engineered and manufactured specifically for repair applications
• Unsurpassed quality you can trust

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Bestseller No. 7

303-770 Crankshaft Rear Main Seal Installer Tool for Ford 4.5L, 6.0L & 6.4L Powerstroke, Rear Seal & Wear Ring Installer

• APPLICATION – Fit for Ford 4.5L, 6.0L & 6.4L Powerstroke Diesel Engine, Low Cab Forward, F-Super Duty 250-550, E-Series.（Specific application reference as following）.
• FUNCTION -- Use for installation & removal of crankshaft rear seal wear ring for your Ford. Preventing your seal from leaking.
• SUPERIOR MATERIAL -- Constructed from high standard forged steel for strength, durability, and longevity; coated with black oxide finish for resistance to rust and corrosion. Never worry wear or damage to the tool!
• DIRECT REPLACEMENT-- Replace ZTSE4515C ZTSE4515 303-770. This rear main seal installer tool makes this job easier!
• 100 SATISFACTION GUARANTEE -- We are responsible for our products and service. If you're not 100% satisfied with this Tool, simply return it for a full refund in 30 days, guarantee with 1-year warranty.

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Bestseller No. 8

Rear Main Seal Cover Kit with Gasket Compatible with Chevrolet Corvette Camaro Silverado Tahoe GMC Buick Cadillac Hummer Isuzu Pontiac

• YHTAUTO Affordable and Prime Engine Rear Main Seal Cover Set, Directly Fit
• Fits Chevrolet Avalanche 2002-2013, Camaro 1998-2002 2010-2015, Caprice 2011-2012, Colorado 2009-2012, Corvette 1997-2012, Express 2003-2020, Impala 2006-2009, LCF 2016-2019, Monte Carlo 2006-2007, Silverado 1999-2019, SSR 2003-2006, Suburban 2000-2019, Tahoe 2000-2014, Trailblazer 2003-2009, Tiltmaster 2003-2010
• Fits GMC Canyon, Envoy 2003-2009, Savana 2003-2020, Sierra 1999-2019, Forward 2003-2010, Yukon 2000-2014
• Fits Buick LaCrosse 2007-2009, Rainier 2004-2007; Cadillac CTS 2004-2015, Escalade 2002-2014; Pontiac G8 2008-2009, Grand Prix 2005-2008, GTO 2004-2006; Saab 9-7x 2005-2009; Isuzu NPR 2003-2016, Workhorse 2004-2012; Hummer H2 2003-2009, Hummer H3 2008-2010
• Reference Number: 635-518, 12633579, 12639250

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Bestseller No. 9

Crankshaft Rear Main Seal - with Housing Cover, Gasket, Bolt Kit Replacement for 4.8 5.3 6.0 6.2 GMC 2020-97, Isuzu 2016-03, Saab 2009-05 635-518 12639250

• Comes with bolts and gaskets, 1 silicon sealant - everything necessary for a complete repair
• Fit Rear Main Seal Kit 4.8 5.3 6.0 6.2 Chevy
• Constructed from aluminum for long-lasting performance
• Other Part Number: 12633579;12639250, 635-518
• 1 Year Warranty

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SaleBestseller No. 10

FEL-PRO BS 40644 Rear Main Seal Set

• Rear main bearing oil seal installation set
• Application specific design to ensure a perfect fit
• Meets or exceeds all original equipment specifications
• Engineered and manufactured specifically for repair applications
• Unsurpassed quality you can trust

Check Price

Last update on 2023-03-21 / Affiliate links / Images from Amazon Product Advertising API

How to find the best rear main seal sealer?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best rear main seal sealer for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good rear main seal sealer recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

• What features does the rear main seal sealer need to have to be perfect for my needs?
• What is my budget?
• Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for rear main seal sealer to find what you’re looking for:

Brand

In some cases, the brand of rear main seal sealer is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.

Features

The features in any given rear main seal sealer are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.

Reviews

Customer reviews about rear main seal sealer are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.

Quality

Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare rear main seal sealer quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.

Warranty

Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.

Conclusion

The quest to find the best rear main seal sealer can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.