The Best Automotive Replacement Main Seals

Looking for the best Automotive Replacement Main Seals?

Discover now our comparison of the best Automotive Replacement Main Seals. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Automotive Replacement Main Seals are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Automotive Replacement Main Seals in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

SaleNo. 1

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
• Please check the “Amazon Confirmed Fit” bar at the top of this page before buying product to ensure this product works for your vehicle. If the “Amazon Confirmed Fit” bar has an “i” in a blue circle, this product has additional notes. Please hover over the “i” on the bar to see notes before making your purchase.

−13% $47.78

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No. 2

A-Premium Engine Rear Main Seal Cover Kit [OHV, 8Cyl 4.8 5.3 5.7 6.0 6.2 7.0L] Compatible with Chevy, GMC, Cadillac, Hummer, Isuzu, Pontiac, Saab & Buick, fits Express, Silverado, Sierra & More Models

• [Vehicle Fitment-1]: ①Compatible with Chevrolet Avalanche 02-13 // Camaro 98-15 // Caprice 11-12 // Colorado 09-12 // Corvette 97-12 // Express 1500 Van 03-14 // Express 2500 Van 03-20 // Express 3500 Van 03-20 // Express 4500 Van 09-20 // Impala 06-09 // LCF 3500 16-18 // LCF 4500 16- // Monte Carlo 06-07 // Silverado 1500 99-13, Silverado 1500 Classic 2007, Silverado 1500 HD 01-06, Silverado 1500 HD Classic 2007
• [Vehicle Fitment-2]: ②fits for Chevy Silverado 2500 99-04, Silverado 2500 HD 0120-, Silverado 2500 HD Classic 07 // Silverado 3500 01-06, Silverado 3500 Classic 2007, Silverado 3500 HD 07-20 // SSR 03-06 // Suburban 18-20 // Suburban 1500 03-14 // Suburban 2500 00-13 // Suburban 3500 HD 16- // Tahoe 01-13 // Trailblazer 04-09 // Trailblazer EXT 03-06 // W3500 Tiltmaster 03-09 // W4500 Tiltmaster 03-10 ③fits for GMC Canyon 09-12 // Envoy 05-09 // Envoy XL 03-06 // Envoy XUV 04-05
• [Vehicle Fitment-3]: ④fits for GMC Savana 1500 Van 03-14 // Savana 2500 Van 03-20 // Savana 3500 Van 03- // Savana 4500 09- // Sierra 150 99-13 // Sierra 1500 Classic 2007 // Sierra 1500 HD 01-06 // Sierra 1500 HD Classic 07 // Sierra 2500 99-04 // Sierra 2500 HD 01-20 // Sierra 2500 HD Classic 2007 // Sierra 3500 01-06 // Sierra 3500 Classic 07 // Sierra 3500 HD 07- // Yukon New Body Style 00-00 // Yukon 00-14 // Yukon XL 1500 00-14 // Yukon XL 2500 00-13
• [Vehicle Fitment-4]: ⑤fits for Hummer H2 2003-2009 // H3 2008-2010 // H3T 2009-2010 ⑥fits for Isuzu NPR 2003-2016 // NPR-HD 2003-2016 ⑦fits for Pontiac Pontiac 1998-2002 // G8 2008-2009 // Grand Prix 2005-2008 // GTO 2004-2006 ⑧fits for Saab 9-7X 2005-2009 // 9-7X 2008-2009 ⑨fits for Buick LaCrosse 2008-2009 // Rainier 2004-2007 ⑩fits for Cadillac CTS 2004-2015 // Escalade 2002-2014 // Escalade ESV 2003-2014 // Escalade EXT 2002-2012
• [Specifications]: Reference Number: ‎635-518, 12633579, 12639250, 12615666, 12598301, 500323RSH, SK635518, 8-12572-014-0, 8-12598-301-0, 8-12614-813-0, 8-12633-579-0, 8-12639-250-0 ①Inside Diameter (in): 2.7 in; ②Length (In): 10 in; ③Width (in): 6 in // [Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted timing cover. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind.

$36.99

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SaleNo. 3

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

−7% $35.05

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SaleNo. 4

635-518 Rear Main Seal Kit 4.8 5.3 6.0 6.2 Replacement for Chevy Replacement for GMC 12633579 12639250

• Part number: 635-518, 126335791, 2639250
• Fitments: Replacement for Chevy Tahoe and Chevy Suburban 1500 2012-2013; Replacement for Chevy Silverado 1500 2013; Replacement for Chevy Express 1500 2012; Replacement for Chevy Silverado 2500 HD and Chevy Express 2500 2014; Replacement for Chevy Express 3500 2012 2013 2014 2018
• Fitments: Replacement for Chevy Avalanche and Cadillac Escalade ESV 2012; Replacement for GMC Yukon and Sierra 1500 2013; Replacement for GMC Sierra 2500 HD 2015; Replacement for GMC Savana 3500 2012 2014 2015
• The rear main seal cover kit includes a new gasket, installation hardware, and an updated seal design for superior leak prevention
• Warning: Before fixing the mounting screws, make sure that the timing cover body and the flange shaft are in the same center, and then fix the mounting screws!!!!

−23% $27.68

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No. 5

Sealed Power 4663M Main Bearing Set

• Steel-backed bronze alloy lining with overplate
• Popular for fatigue resistance & strength - provides conformability required for older applications
• Cast; Use w/E-356K, E-356KC or E-356X ring set; For use w/350 crank w/o need to rebalance engine
• Exacting tolerances
• Meets or exceeds OEM specifications

$33.95

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SaleNo. 6

marddpair Rear Main Seal Kit 635-518 Replacement for Chevy Silverado Camaro GMC Savana Firebird 4.8L 5.3L 6.0L

• Replacement for Buick Lacrosse 2008-2009, Replacement for Buick Rainier and Cadillac CTS 2004-2007, Replacement for Chevy Camaro 2010-2015, Replacement for Chevy Colorado 2009-2012, Replacement for Chevy Suburban 2016-2020, Replacement for Chevy Tahoe 2000-2014, Replacement for GMC Sierra 3500 2001-2019; For details about compatible models, check the compatibility list below
• Part number: 635-518, 12633579, 12639250
• Size: Inside Diameter (in): 2.7 in, Length (in): 10 in, Width (in): 6 in
• Warning: Before fixing the mounting screws, make sure that the timing cover body and the flange shaft are in the same center, and then fix the mounting screws!!!!
• Please confirm the part number, compatibility and compare old parts before purchase

−9% $25.98

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SaleNo. 7

FEL-PRO BS 40625 Rear Main Seal Set

• FEL-PRO BS 40625 Engine Crankshaft Seal Kit for Chevrolet Impala
• COMPATIBILITY – Fits 1996-2000 Isuzu Hombre; 1991-1994 Isuzu Pickup; 1991-1992 Isuzu Rodeo; 1989-1991 Isuzu Trooper; 1985-1986 Jeep Cherokee; 1986-1986 Jeep Comanche; 1985-1986 Jeep Wagoneer; 2005-2006 Buick Terraza; 2006-2007 Buick Terraza; 2009-2011 Bui
• GET THE RIGHT PART -- Before purchasing, research to ensure that the part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes
• Application specific design to ensure a perfect fit
• Meets or exceeds all original equipment specifications
• Unsurpassed quality you can trust

−52% $20.83

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No. 8

New Front Main Crankshaft Oil Seal & Wear Sleeve For Ram 2500 3500 D250 D350 W350 for Cummins 5.9L 1989-2016 3802820

• Replaces OE # 3802820
• Package Included:
  1x Front Main Crankshaft Oil Seal & Wear Sleeve

$11.55

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SaleNo. 9

FEL-PRO BS 40430 Rear Main Seal Set

• FEL-PRO BS 40430 Engine Crankshaft Seal Kit for Honda Civic
• COMPATIBILITY – Fits 1996-1997 Isuzu Oasis; 1998-1998 Isuzu Oasis; 1999-1999 Isuzu Oasis; 1997-2000 Acura EL; 2001-2005 Acura EL; 1997-1997 Acura CL; 1998-1999 Acura CL; 1986-1989 Acura Integra; 1990-2001 Acura Integra; 1992-1993 Acura Integra; 1994-2001
• GET THE RIGHT PART -- Before purchasing, research to ensure that the part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes
• Application specific design to ensure a perfect fit
• Meets or exceeds all original equipment specifications
• Unsurpassed quality you can trust

−50% $10.18

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No. 10

Dorman 635-786 Engine Rear Main Seal Cover Compatible with Select Chevrolet/GMC Models

• Direct replacement - this rear main seal cover matches the fit and function of the original equipment cover for a trouble-free installation
• Durable construction - this rear main seal cover is made of quality materials for a reliable fit and enduring service life
• Convenient solution - get a quality repair solution without the hassle of buying original equipment
• Quality tested - this part has undergone extensive testing to ensure a quality fit and long service life
• Ensure fit - Input your vehicle into the garage tool and check Confirmed Fit bar at the top of the page. If there is an “i” in a blue circle, additional verification is needed. Please hover over the "i" to verify fitment notes match your vehicle

$80.22

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Last update on 2025-06-07 / Affiliate links / Images from Amazon Product Advertising API