In this article, we will explore the Best Rear Main Seal Leak Repair that are now on the market. In addition to that, we have provided you with a detailed guide that will assist you in choosing the right product. We really hope that by looking through the reviews of the top Best Rear Main Seal Leak Repair products that we’ve provided below, you’ll be able to quickly narrow your choices and select the one that best satisfies your needs.
We have spent lots of time testing. According to our research, we think Bar’s Leaks Best Rear Main Seal Leak Repair is the best overall. For more of our top picks, read on! Also, check out our buying guide for some tips on how to choose the right Best Rear Main Seal Leak Repair.
Premium Pick
Bar's Leaks OS-1 Oil Seal Engine Oil Burning and Leak Repair, 16.9 oz.
Top 10 Best Rear Main Seal Leak Repair
We researched and compared the top products in the Best Rear Main Seal Leak Repair category to provide you with these recommendations.
1. 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
2. BlueDevil Products 00234 Rear Main Sealer - 8 Ounce
- Permanent seal: This product is formulated to flow into damaged areas of the rear main seal to provide a permanent seal to keep your vehicles oil inside of the rear of the engine. Works as a permanent repair and does not need to be added when oil is changed.
- Easy to use: BlueDevil Rear Main Sealer is designed to be easy to use, making it accessible to a wide range of drivers. Simply pour the recommended amount into the engine oil.
- Restores while you drive: Designed to restore dried, cracked, and shrunken rubber seals to their original condition while you drive.
- Safe to use: Does not contain petroleum distillates which can destroy seals.
- Compatible with all types of engines: Works on gasoline or diesel engines that use synthetic or conventional oils, making it a versatile product that can be used on a wide range of vehicles.
- Do not use in brake systems or on painted surfaces!
3. ATP Automotive 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. Bar's Leaks Rear Main Seal Repair (Pack of 6)
- STOPS ALL OIL LEAKS: Works with ALL vehicle types including gasoline, diesel and turbocharged.
- SEALS TIMING COVER, CAM SEAL, REAL MAIN LEAKS: Specifically designed to seal rear main leaks, but also works better than a conventional stop leak on all other leaks. This includes the timing cover seal, cam seals, O-Rings and other gaskets.
- SEAL RESTORER: Bars Leaks Rear Main Seal Repair restores the seal to like new condition and also contains additives to stop leaks in severely worn seals and crankshafts.
- SEAL POLYMER: Compatible with all petroleum based engines oils including high-mileage and synthetic.
- DOSAGE: One bottle treats 4 to 6 quarts of oil. Larger systems use 1 bottle for every 5 quarts of oil capacity. For small engines including 4 cycle / stroke motorcycle, ATV, lawn mowers and other engines use approximately 3 to 4 ounces per quart of capacity.
5. XADO ATOMEX Oil Additive Stop Leak Engine - Restore Seal and Gaskets, Treatment for Car Engine High
- Elasticity Restorer: Look no further for a solution to restore elasticity ability of rubber gaskets and seals. Say goodbye to leaks and fugas with our formula for complete rejuvenation and protection.
- Leak Prevention: Ideal for stopping engine oil leakages. Engineered for all engines, including auto and motorcycle, our slick liquid formula fixes leaks and rejuvenates seals.
- Cost Saver: It offers complete protection for older and new engines. This multi-purpose aditivo is perfect for stopping leaks, enhancing engine performance, and extending the life of your vehicle.
- Efficiency Enhancer: Reduces engine noise and oil consumption with our advanced formula.The slick liquid fix rejuvenates seals, valves, and cylinders, ensuring smoother operation and reducing wear.
- Universal Compatibility: This multi-purpose sealant works with auto, motorcycle, and marine engines, preventing fugas and leaks while rejuvenating seals, valves, and cylinders.
6. Bar's Leaks 1334 One Seal Stop Leak - 11 oz
- WORKS WITH ALL ENGINE OIL, TRANSMISSION FLUID AND POWER STEERING FLUIDS: Bar's Leaks One Seal multipurpose stop leak effectively seals all minor engine oil, transmission and power steering system leaks.
- SAFE AND EASY TO USE, GUARANTEED: One bottle will treat one engine oil, transmission fluid or power steering fluid system leak.
- 3X SEALER: Its specifically designed to stop seal and gasket leaks caused by normal wear and age.
7. Bar's Leaks Axle and Differential Gear Repair, 16.9 Oz
- STOPS PINION, AXLE, OUTPUT SHAFT AND OTHER SEAL LEAKS: This is a treatment additive for use with automotive, heavy duty, agricultural, marine and industrial gear oils.
- ANTI-WEAR AW AGENTS: Superior anti-wear, anti-foam and anti-corrosion protection.
- SEAL CONDITIONER: Extends system life by stopping leaks, reducing noise and improving gear performance.
- PERFORMANCE ADDITIVE BOOSTER: Designed to mix with all synthetic and conventional petroleum GL-4, GL-5, MT-1 gear oil / lube grades including 75W-90, 80W-90, 75W-140, 85W-140 and all others.
- Manufactured in the USA, this product works in all manual gearboxes, differentials, open & posi axles and more. Stops pinion, axle, output shaft and other seal leaks. Reduces grinding, whining, clunking and protects gears.
8. Bar's Leaks OS-1 Oil Seal Engine Oil Burning and Leak Repair, 16.9 oz.
- REPAIRS LEAKING MAIN SEALS AND GASKETS: We have designed this product to work in all gasoline and diesel engines including turbocharged, EcoBoost, hybrid and even racing engines.
- RENEWS WORN VALVE SEALS AND GUIDES: Your vehicle is a good candidate for Bars Leaks Oil Seal Engine Oil Burning & Leak Repair if it does not consume more than one quart of oil per day.
- STOPS OIL BURNING & BLUE EXHAUST SMOKE: This covers 3, 4, 5, 6, 8 and 10 cylinder engines in all cars, trucks, vans and SUVs. Our product can also be used in heavy-duty applications referencing the appropriate dosage level.
- SEAL ALL OTHER OIL LEAKS, DRIPS AND CONSUMPTION: This applies to a wide range of other motor applications too - tractors, boats, RVs, motorcycles (including wet clutch), ATVs, lawn equipment.
- MADE IN THE USA
9. 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.
10. 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/41gRkRB2CrL._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.
Peter
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