If you aren’t someone who makes frequent purchases, selecting the best Best Rear Main Sealer won’t be an easy chore for you. However, you shouldn’t be concerned because we have provided you with the most comprehensive list possible of the top Best Rear Main Sealer. Have a look at the products on our list, and pick the ones that appeal to you the most.
We researched and tested Best Rear Main Sealer in the market to get you this list. Our most recommended product is BlueDevil Products Best Rear Main Sealer. Check out our picks for all of our favorites, and be sure to read our buying guide to get all the information you need to make the best choice!

![A-Premium Engine Rear Main Seal Cover Kit [OHV, 8Cyl 4.8 5.3 5.7 6.0 6.2 7.0L] Compatible with](https://m.media-amazon.com/images/I/41sWgAq5RJL._SL500_.jpg)
Top 10 Best Rear Main Sealer
We researched and compared the top products in the Best Rear Main Sealer category to provide you with these recommendations.
1. BlueDevil 00234 Rear Main Sealer - 8 Ounce

- Guaranteed Permanent Seal
- Restores Dried, Cracked and Shrunken Seals
- Works in Gas or Diesel Engines
2. Bar's Leaks Rear Main Seal Repair, 16.9 oz

- Seals timing cover, cam seal, rear main and other hard to stop oil leaks
- Add to engine oil
- Specifically designed to seal rear main leaks, but also works better than a conventional stop leak on all other leaks
- Add entire bottle of Rear Main Seal Repair to engine crankcase (where you add oil) at or between oil changes. Do not overfill. Most leaks will stop within 100 miles or 2 days of driving
3. ATP AT-205 Re-Seal Stops Leaks, 8 Ounce Bottle

- Professional strength fast acting resealer, stops leaks fast
- Rejuivinates all rubber seals & gaskets in engines, transmissions, power steering, differentials and hydraulic systems
- Compatible with conventional and synthetic oils, ATF, gear oil, power steering fluids and hydraulic oil
- Does not contain petroleum distillates, will not over-swell or breakdown seals
- 8oz bottle will treat a 6 quart capacity, adjust accordingly
4. 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
5. Bar's Leaks 1010 Engine Oil Stop Leak Concentrate, 11 oz, 1 Pack, Grey

- Stops and seals motor oil leaks
- Works with all types of motor oil
- Restores gaskets; seals to stop and prevent engine oil leaks
- Compatible with vehicle type: Car
6. A-Premium Engine Rear Main Seal Cover Kit [OHV, 8Cyl 4.8 5.3 5.7 6.0 6.2 7.0L] Compatible with
![A-Premium Engine Rear Main Seal Cover Kit [OHV, 8Cyl 4.8 5.3 5.7 6.0 6.2 7.0L] Compatible with](https://m.media-amazon.com/images/I/41sWgAq5RJL._SL500_.jpg)
- [Vehicle Fitment-1]: Compatible 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]: fits 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 fits for GMC Canyon 09-12 // Envoy 05-09 // Envoy XL 03-06 // Envoy XUV 04-05
- [Vehicle Fitment-3]: fits 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]: fits for Hummer H2 2003-2009 // H3 2008-2010 // H3T 2009-2010 fits for Isuzu NPR 2003-2016 // NPR-HD 2003-2016 fits for Pontiac Pontiac 1998-2002 // G8 2008-2009 // Grand Prix 2005-2008 // GTO 2004-2006 fits for Saab 9-7X 2005-2009 // 9-7X 2008-2009 fits for Buick LaCrosse 2008-2009 // Rainier 2004-2007 fits 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 Inside Diameter (in): 2.7 in; Length (In): 10 in; Width (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.
7. LS Rear Main Seal Alignment Tool for GM Gen III & IV Engines 4.8 5.3 5.7 6.0 6.2 7.0 LS1 LS2 LS3 LS6

- Perfect Fitment - Designed specifically for GM LS engines, compatible with 4.8, 5.3, 5.7, 6.0, 6.2, 7.0, LS1, LS2, LS3, LS6, L99, LS4, LS9, LSA, LQ4, LQ9, L76, and L92 models, ensuring precise application for your engine needs.
- Prevent Leaks - Aligns the rear main cover and installs the seal with accuracy to eliminate the risk of oil leaks, keeping your engine running smoothly.
- Essential for Proper Seal Installation - Ensures the rear seal aligns perfectly concentric with the balancer hub and rear sealing surface, maintaining proper seal function and extending its lifespan.
- Durable Construction - Crafted from high-quality billet aluminum for exceptional durability and precision. Ideal for engine builders and mechanics working on GM LS series engines.
- Whats Included - Includes (1) Rear Cover Billet Alignment Tool. A must-have tool for professional and DIY engine repairs.
8. 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
9. ApplianPar Engine Crankshaft Rear Main Seal for Cmax Escape Explorer Edge Focus Fusion Taurus

- Appliable for Lincoln MKZ 2011-2015
- Appliable for Mazda MX-5 Miata 2006-2014;3 2004-2013;3 Sport 2009-2013;5 2006-2009;CX-7 2007-2009;6 2003-2008;Tribute 2005-2008
- Appliable for Mercury Mariner 2005-2011;Milan 2006-2011
- Appliable for Ford Escape 2005-2015;Explorer 2012-2015;Fusion 2006-2015;Taurus 2013-2015;C-Max 2013-2014;Edge 2012-2014;Focus 2003-2014;Transit Connect 2010-2013;Ranger 2001-2011
- Package includes: 1x Crankshaft Rear Main Seal
10. ORAEVY BS 40640 Rear Main Seal Gasket Set- Compatible with GM LS LS1 LS6 LS2 LS3 LQ9 LQ4 4.8L 5.3L

- OE/Interchange Part number:Replacement for GM 89060436 12639249, Replacement for BS 40640.
- Compatible with the following vehicles : Rear Mail Seal Gasket compatible with 4.8L 5.3L 5.7L 6.0L 6.2L GM Vortec engine, including Compatible with Chevrolet Silverado Suburban Tahoe Avalanche Colorado Camaro Express Trailblazer Caprice Impala GMC Sierra Yukon Savana Envoy Canyon Cadillac Escalade Buick Rainier model year 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020.
- High quality & durable :Main Seal Gasket Set Meets or exceeds equipment specifications.It is highly durable and less prone to breakage. to provide exceptional service life and reliability. Gasket systems can withstand high pressures, high temperatures and aggressive media of a car. Cylinder head gaskets also act as a force transmission element.
- What You'll get: 1 Set of Rear Mail Gasket Seal & 1pair free installation gloves and 1 cleaning brush &12 Months Warranty. If you have any problems or concerns, please kindly send us mail any time, we are always here to provide you 100% satisfied after-sale service.
Peter
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