If you’re looking for a solution to fix the rear main seal leak in your vehicle, one option you may consider is using a rear main seal leak additive. These products are designed to help seal leaks and protect your engine from further damage. However, before buying any additive, there are a few factors you should consider.
First, it’s important to know what type of engine you have and if the product you’re considering is compatible with it. Additionally, you should read reviews and check the reputation of the manufacturer to ensure you’re buying a quality product. Finally, consider the severity of the leak and if a simple additive will suffice or if professional repairs are necessary.
Are you tired of constantly topping off your engine oil due to a rear main seal leak? Do you want to save money on expensive repairs or replacement parts? A rear main seal leak additive may be the solution you’ve been searching for. Not sure where to start? Consider asking yourself some of these questions to help guide your search: What is the severity of the leak? Is the additive compatible with my engine? What are the reviews saying? With the right research, you may just find the best rear main seal leak additive for your vehicle.
10 Best Rear Main Seal Leak Additive
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The product is ideal for stopping leaks in various automotive systems.
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This product is ideal for sealing the rear main area of select GM engines from 1997-2016, including Cadillac, Buick, GMC, Hummer, Isuzu, Pontiac, and Saab.
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It is ideal for installing and removing the rear main seal and wear sleeve tool on Cummins ISX engines.
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The tool is ideal for removing and installing rear main seals and wear sleeves on Cummins ISX engines.
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This product is ideal for repairing gaskets and seals in engine oil.
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Ideal for installing rear main seal wear sleeves on John Deere tractors with 7.6L engines, including models 4000-4230.
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It is ideal for stopping leaks in automotive systems, including engines, transmissions, power steering, and hydraulic systems.
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Ideal for replacing the rear main seal and gasket on GM LS engines in various Chevrolet and GMC models.
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Ideal for stopping leaks in a variety of systems, including automotive and industrial applications.
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10
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This product is ideal for replacing the rear main seal of Chevy and GMC engines with 4.8, 5.3, 6.0, or 6.2 liters.
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1. Atp Automotive At-205 Re-Seal Stops Leaks, 8 Ounce Bottle (2 Pack)
Introducing the Professional Strength Fast Acting Resealer, the ultimate solution to all your engine, transmission, power steering, differential and hydraulic systems' leakage problems. With its fast-acting formula, this resealer stops leaks in no time, saving you the hassle of costly repairs.
This resealer is designed to rejuvenate all rubber seals and gaskets, restoring their elasticity and sealing capabilities. It is compatible with both conventional and synthetic oils, ATF, gear oil, power steering fluids and hydraulic oil, making it versatile and easy to use.
Unlike other resealers that contain petroleum distillates, this product is formulated without any harmful chemicals that may cause over-swelling or breakdown of seals. It is safe to use and will not damage your engine or any other component of your vehicle.
Each 8oz bottle of this professional strength resealer can treat up to a 6 quart capacity, making it cost-effective and efficient. It is recommended to adjust the dosage accordingly to ensure optimal results.
Say goodbye to costly repairs and constant leaks with the Professional Strength Fast Acting Resealer. Get your hands on this product today and enjoy a leak-free driving experience.
2. Ls Rear Main Seal Kit – Ultimate Protection
If you're in need of a reliable rear main seal & cover gasket kit for your GMC Hummer, Buick, Cadillac, Pontiac, Saab, or Isuzu, the Donepart Rear Main Seal & Cover Gasket Kit is an excellent choice. This kit, with interchange part number BS40640, is designed to fit 4.8L, 5.3L, 5.7L, and 6.0L engines.
Constructed with premium materials, these gaskets are built to withstand extreme temperature swings and constant vibration. They're engineered to retain their shape and resilience, while maintaining their sealing properties. With the Donepart Rear Main Seal & Cover Gasket Kit, you can rest assured that motor oil won't leak out as it travels around the camshafts, rockers, and valves.
These gaskets meet specific OEM needs and provide superior sealing performance and durability. They're designed to withstand the unique characteristics of your engine, and use the most advanced technology to create a tight seal and extend their service life.
If you're interested in purchasing the Donepart Rear Main Seal & Cover Gasket Kit, be sure to check the description and compatibility chart before making your purchase. If you're unsure whether it will fit your car, don't hesitate to contact the manufacturer for assistance.
3. Isx15 Rear Main Seal Installer & Remover
This aftermarket crankshaft rear seal and wear sleeve tool is specifically designed to work with Cummins Signature, ISX, QSX, ISX12, and ISX15 engines. It is a direct replacement for the OEM #3164780 (seal/sleeve kit PN 4965569) and is guaranteed to fit perfectly.
The tool is made from high-quality carbon steel, which provides superior durability to withstand corrosion, rust, and impact. It is a heavy-duty construction that ensures an unparalleled long lifespan, making it a reliable investment for any mechanic.
One of the major benefits of this tool is its ability to save time and reduce the risk of crankshaft seal surface damage during removal. It is specifically designed for the installation and removal of the crankshaft rear seal and wear sleeve, making the process more efficient and effective.
The manufacturer of this tool is so confident in its quality that they offer a 100% satisfaction guarantee. If for any reason you are not completely satisfied with your purchase, simply return it within 30 days for a full refund. The tool also comes with a 12-month warranty, giving you added peace of mind.
4. Cummins Crankshaft Installer & Remover Tool – Oem Alternative
Looking for a reliable and durable crankshaft rear seal and wear sleeve installer and remover for your Cummins diesel truck engine? Look no further than Yoursme's aftermarket alternative to Cummins Part # 3164780 and 3162994.
This high-quality product is specifically designed to fit the latest Cummins seal, making it a direct replacement for multiple seals including 4965569. It works perfectly on Cummins Signature, ISX, QSX, ISX12, and ISX15 diesel truck engines, ensuring optimal fitment and functionality.
Made from high standard carbon steel with a black finish, this installer and remover offer exceptional strength and durability, as well as resistance to corrosion, ensuring long-term service. You can be confident that this product will stand up to the toughest conditions and provide reliable performance for years to come.
One of the key benefits of this installer and remover is that it is designed to install and remove the crankshaft rear seal and wear sleeve without damaging the seal and causing leakage. This means you can complete the job with confidence, knowing that you won't have to deal with costly repairs or replacements down the road.
At Yoursme, customer satisfaction is our top priority. That's why we offer a 30-day money-back guarantee and 12 months of warranty on this product. If for any reason you're not 100% satisfied with your purchase, simply return it for a full refund within 30 days. If you have any problems with the product, please don't hesitate to contact us. We're always here to help.
5. Xado Atomex Stop Leak Engine Oil Additive Sealer (Bottle, 250 Ml) – Repair Gaskets & Seals Treatment
This product is designed to restore the elasticity and stretch ability of rubber gaskets and seals, effectively stopping oil leakages and preventing future occurrences. It is a cost-effective solution that eliminates the need for expensive repairs, saving both time and money.
In addition to its sealing properties, this product also reduces engine noise and oil consumption, ensuring optimal engine performance. It is compatible with motor oils of all types, making it a versatile and convenient choice for any vehicle owner.
Say goodbye to frustrating oil leaks and costly repairs with this reliable and effective product. Restore your engine's performance and enjoy a smoother, quieter ride. With its easy application and impressive results, this product is a must-have for any car enthusiast or DIY mechanic.
6. Jdg Crankshaft Rear Main Seal Tool Kit
This high-quality carbon steel rear seal wear ring installer is designed to replace the new seal for JD models 3010, 3020, 4000, 4010, 4020, 4320, 4520, 4620, 4230, 4430, 4630, 8430, 4040, 4240, 4440, 4640, 4840, 8440, (4050 W/466 ONLY), 4250, 4450, 4650, 4850, 8450, 4055, 4255, 4455, 4555, 4755, 4955, 4560, 4760, 4960, and many more AG & Industrial equipment using the 270, 404, 466, 6076, 7.6L, 8.1L engines. It works with Seal OEM numbers RE520036, DZ111672, RE530121, RE504363, RE524227, RE22764, AR34682, and AR30382.
Constructed with the best quality carbon steel in the market, this rear seal wear ring installer boasts great strength and durability, making it a reliable tool for years of trouble-free use. It is designed to be a replacement for JDG 476, JDG477, JDG478, ST-198, and JT30040B, making it easier to work with.
This rear seal wear ring installer comes with a satisfaction guarantee. If the customer is not 100% satisfied with the product, they can simply return it for a full refund within 30 days. Additionally, this product comes with a 12-month warranty for further peace of mind.
7. Bar's Leaks 1334-5pk One Seal Stop Leak – 11 Oz, (Pack Of 5)
This product is designed to be the ultimate solution for engine oil, transmission, and power steering system leaks. With its advanced formula, it can effectively seal all minor leaks in these systems. It's compatible with all engine oil, transmission fluid, and power steering fluids, making it suitable for a wide range of vehicles.
In addition, this product is also compatible with diesel and turbocharged engines, making it a versatile choice for all types of vehicles. With just one bottle, you can treat one engine oil, transmission fluid, or power steering leak in a standard passenger car or light truck.
The best part? This product starts working the minute you install it and start driving the vehicle. You will usually see results in about 200 miles or three (3) days of driving. This means you won't have to wait long to experience the benefits of this product.
8. Ls Engine Rear Main Seal Kit
Looking for a high-quality Main Seal Gasket Set that is compatible with your GM Vortec engine? Look no further than this Replacement for GM 89060436 12639249 and Replacement for BS 40640 Rear Mail Seal Gasket.
This gasket set is specifically designed to be compatible with a range of GM Vortec engines, including the Chevrolet Silverado, Suburban, Tahoe, Avalanche, Colorado, Camaro, Express, Trailblazer, Caprice, Impala, GMC Sierra, Yukon, Savana, Envoy, Canyon, Cadillac Escalade, and Buick Rainier, with model years ranging from 1999 to 2020.
Made to meet or exceed equipment specifications, this gasket set is highly durable and less prone to breakage, ensuring exceptional service life and reliability. The gasket system is designed to withstand high pressures, high temperatures, and aggressive media, making it a reliable choice for your vehicle's cylinder head gaskets.
This set includes one Rear Mail Gasket Seal, along with one pair of free installation gloves, one cleaning brush, and a 12-month warranty. If you have any problems or concerns, the manufacturer is always available to provide you with 100% satisfied after-sale service.
9. Lubegard Lg-Fixx Seal Fixx Multi-Purpose Stop Leak, 8 Fl. Oz
Looking to fix a seal-related leak quickly? Look no further than this fast-acting seal leak repair treatment. Its economical formula is effective on all rubber seals and gaskets, making it a versatile choice for a variety of applications.
This seal leak repair treatment is designed to stop leaks quickly and efficiently, so you can get back to using your equipment without any further interruptions. Its fast-acting formula ensures that you won't have to wait long for results, and its effectiveness on all types of rubber seals and gaskets makes it a reliable choice for a wide range of applications.
Not only is this seal leak repair treatment effective, it's also easy to use. Simply apply it to the affected area and let it work its magic. You'll appreciate how simple and straightforward it is to use, as well as how well it performs.
10. 635-518 Rear Main Seal Kit 4.8 5.3 6.0 6.2 Replacement For Chevy Gmc 12633579 12639250
This rear main seal cover kit is a reliable and high-quality replacement part designed to fit various Chevy and GMC models. It has three different part numbers: 635-518, 126335791, and 2639250.
This kit is specifically designed to replace the rear main seal cover for the 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 Chevy Avalanche, and Cadillac Escalade ESV. It is also compatible with the 2013 GMC Yukon and Sierra 1500, 2015 GMC Sierra 2500 HD, and 2012 2014 2015 GMC Savana 3500.
The kit is made from high-quality aluminum and has undergone strict quality inspection and testing to ensure its durability and reliability. It is designed to perfectly match the original model, providing a seamless fit and superior performance.
This rear main seal cover kit comes with a new gasket, installation hardware, and an updated seal design that provides superior leak prevention. This makes it an ideal replacement part for those who want to ensure their vehicle's optimal performance and prevent any leak-related issues.
Best Rear Main Seal Leak Additive FAQs
Are there any downsides to using a rear main seal leak additive?
Yes, there are potential downsides to using a rear main seal leak additive. While these products may temporarily stop or slow down a leak, they are not a permanent solution and can sometimes cause further damage to the engine.
One downside is that the additive may react with other chemicals in the engine, causing damage to seals, gaskets, or other engine components. Additionally, some additives can cause the seals to swell, which can lead to the buildup of pressure in the engine and potentially cause other leaks.
Another potential issue is that the additive may mask underlying problems with the engine, such as worn piston rings or damage to the crankshaft. If these issues are not addressed, they can cause significant damage to the engine over time.
Ultimately, using a rear main seal leak additive should be considered a temporary solution at best. If you are experiencing a leak, it is best to have a professional mechanic diagnose and repair the issue to ensure the long-term health and performance of your engine.
Can a rear main seal leak additive fix a large leak?
While rear main seal leaks are a common problem in vehicles, the use of sealant additives to fix the issue is a controversial topic. Some people claim that these additives can temporarily fix small leaks, but they are not effective for larger leaks.
The main issue with using sealant additives is that they are not a permanent solution. While they may help to slow down or stop the leak for a short period of time, the underlying issue is still present and will eventually resurface. In some cases, the additive can even cause further damage to the engine or transmission.
Additionally, the use of sealant additives can void the warranty of your vehicle and may cause problems with future repairs. It is always best to address a rear main seal leak by replacing the faulty seal rather than using a temporary fix that may cause more harm than good.
Can a rear main seal leak additive prevent future leaks?
Yes, a rear main seal leak additive can prevent future leaks if used properly. These additives contain a special blend of chemicals that can help to soften and condition the rubber seals, preventing them from cracking and leaking. However, it is important to note that this is not a permanent fix and may only provide a temporary solution.
To ensure that the additive works effectively, it is important to follow the manufacturer's instructions carefully. This may involve adding the additive to the oil and driving the vehicle for a certain period of time, or adding it directly to the transmission or differential.
It is also important to note that not all additives are created equal. Some may be more effective than others, and some may even cause damage to your vehicle's engine or transmission. Therefore, it is important to do your research and choose a reputable brand that is recommended for your specific vehicle.
Ultimately, while a rear main seal leak additive can help to prevent future leaks, it is always best to address any underlying issues with your vehicle's seals or gaskets to ensure a long-term solution.
Can I use a rear main seal leak additive with synthetic oil?
Yes, you can use a rear main seal leak additive with synthetic oil. These seal additives are designed to work with all types of engine oil, including synthetic oil. However, it is important to note that not all seal additives are created equal, and some may be more effective than others. When choosing a rear main seal leak additive, it is important to do your research and choose a high-quality product that has been proven to be effective. Additionally, it is important to follow the manufacturer's instructions for use, as using too much or too little of the additive can have negative effects on your engine's performance. Overall, using a rear main seal leak additive with synthetic oil can be an effective way to address leaks and extend the life of your engine.
How do I choose the right rear main seal leak additive for my car?
Choosing the right rear main seal leak additive for your car can be a bit confusing, but there are a few factors to consider that can help you make the right decision. First, it's important to understand the type of engine your car has, as some additives work better with certain engine types than others. You should also look at the severity of the leak and choose an additive that is specifically designed to address leaks of that level.
Another important factor to consider is the brand and reputation of the additive. Look for products that have been tested and recommended by mechanics or other car experts. You can also read online reviews from other customers to see how well a particular product has worked for them.
It's also a good idea to choose an additive that is compatible with your car's engine oil. Many additives are designed to work with specific types of engine oil, so be sure to read the product description carefully before making your purchase.
Ultimately, the best way to choose the right rear main seal leak additive for your car is to do your research, consider your specific needs, and choose a product that has a proven track record of success.
How does a rear main seal leak additive work?
A rear main seal leak additive is a product designed to address the issue of oil leaks in the rear main seal area of an engine. The product works by rejuvenating the seal and gasket materials, thereby reducing the wear and tear caused by constant exposure to heat and friction. When the additive is added to the engine oil, it works by softening the seal and gasket materials, making them more pliable and able to create a better seal. It also works by reducing the friction between the seal and the crankshaft, which helps to prevent the seal from becoming damaged or worn prematurely.
The effectiveness of a rear main seal leak additive depends on the quality and type of product used, as well as the severity of the leak. Some products may require multiple applications or a longer period of usage to provide the desired results. It is important to follow the manufacturer's instructions carefully when using a rear main seal leak additive to ensure maximum effectiveness and avoid potential damage to the engine.
How long does a rear main seal leak additive last?
The duration of a rear main seal leak additive depends on various factors such as the brand of additive, the severity of the leak, and the condition of the engine. Typically, most rear main seal leak additives last for approximately 1,000 miles. However, some high-quality additives may last up to 5,000 miles or more. It's important to note that using a rear main seal leak additive is a temporary solution and it cannot fix the problem permanently. It is always recommended to replace the faulty seal to prevent further damage to the engine. Moreover, it's essential to follow the manufacturer's instructions while using the additive as overdosing or using the wrong type of additive may cause damage to the engine. Regular maintenance and timely repairs are crucial to ensuring the longevity and optimal performance of your vehicle.
Is it safe to use a rear main seal leak additive in my car?
Using a rear main seal leak additive in your car can be a safe option, but it ultimately depends on the specific product and the condition of your vehicle. Rear main seal leaks can cause serious issues with your engine, such as oil loss and decreased performance. Additives are designed to help seal these leaks and prevent further damage.
However, it's important to choose an additive from a reputable brand and to follow the manufacturer's instructions carefully. Some additives may contain harsh chemicals that can damage your engine, and using too much of the product can also cause problems.
It's also worth noting that while additives can be a quick fix for a leaky rear main seal, they may not be a permanent solution. If the leak is severe or if your engine is already experiencing significant issues, it may be necessary to have the seal replaced by a professional mechanic.
In summary, using a rear main seal leak additive can be a safe option, but it's important to choose a quality product and follow the instructions carefully. If the leak is severe or if you're experiencing other engine issues, it's best to consult with a professional mechanic for a more permanent solution.
What are the benefits of using a rear main seal leak additive?
A rear main seal leak additive can offer several benefits for your vehicle. Firstly, it can help to reduce or even eliminate leaks from the rear main seal, which is a common issue in many older vehicles. This can help to prevent oil from leaking onto your driveway or garage floor, as well as reducing the risk of damage to other engine components.
Another benefit of using a rear main seal leak additive is that it can help to restore the flexibility of the seals, which can become hardened and brittle over time. This can help to prevent further leaks from occurring in the future and can extend the lifespan of your engine.
Additionally, many rear main seal leak additives contain detergents and other cleaning agents that can help to remove sludge and other buildup from your engine, which can improve its overall performance and efficiency.
Overall, using a rear main seal leak additive can be a cost-effective and simple solution to a common problem, and can help to keep your vehicle running smoothly for longer.
What is the best rear main seal leak additive on the market?
There are several rear main seal leak additives available in the market, but the best one is subjective and can vary based on the specific needs of your vehicle. Some of the most popular and effective additives include ATP AT-205 Re-Seal, BlueDevil Rear Main Sealer, and Lucas Engine Oil Stop Leak.
ATP AT-205 Re-Seal is a highly rated additive that is designed to restore the flexibility of the seals and gaskets in your engine, including the rear main seal. It is compatible with most types of engine oil and can help to reduce oil consumption and improve engine performance.
BlueDevil Rear Main Sealer is another popular option that is specially formulated to seal leaks in the rear main seal. It is a permanent solution and can also work on other types of engine seals to prevent leaks and reduce oil consumption.
Lucas Engine Oil Stop Leak is a trusted brand that has been used by many car owners to fix rear main seal leaks. It is designed to stop leaks in the engine, transmission, and power steering systems and is compatible with all types of engine oil.
Ultimately, the best rear main seal leak additive for your vehicle will depend on the severity of the leak and the type of engine you have. It is always recommended to consult with a professional mechanic before using any additives to ensure they are compatible with your engine and to avoid any potential damage.