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30% Off All Online Orders of Select Parts and Accessories
Receive 30% Off Your Online Purchase. Use promotional code POSTCYBER at checkout to receive discount. Not valid in combination with any other discounts or promotions. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Excludes the following categories: Tires, Wheels, Batteries, Powerstop Brake Kits, Oil, Antifreeze, Refrigerant, Truck Boxes, Vent Visors, Bug Shields and BRANDS: Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Thule, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, JVC, MSD and BBK Performance. Valid online until 2:59 am EST on 12/6/16. Online orders scheduled for in-store pick up must be completed by closing on 12/5/16 for discount to apply.

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  • Part #: 1040|
  • SKU: 555348

Available today

Pay in Store Available

    • Bar's Leaks Concentrated Rear Main Seal Repair restores the seal to like-new condition and also contains additives to stop any existing leaks
    • Works with ALL gasoline and diesel engines using conventional, high mileage, and synthetic oil
Retail
$6.99
PayPal available for online purchases. Major credit cards accepted online and in store. Pay online, in-store or take advantage of our Pep Boys credit card. Learn more and see additional details in cart.

Bar's Leaks Rear Main Seal Repair

Formulated with a unique blend of polymers, Bar's Leaks Rear Main Seal Repair helps stop oil leakage and restore engine seal performance.
  • Bar's Leaks Concentrated Rear Main Seal Repair restores the seal to like-new condition and also contains additives to stop any existing leaks
  • Works with ALL gasoline and diesel engines using conventional, high mileage, and synthetic oil
  • Specially designed to seal rear main leaks, but also works better than a conventional stop leak on all other leaks
  • Contains advanced polymers that create long-lasting, effective seals where leaks are happening
  • Also helps stop leaks including timing cover seal, O-rings and other seals and gaskets
  • Conditions worn and dried seals to bring them back to life
  • Bar's Leaks Rear Main Seal Repair is often your last chance before paying an expensive repair bill
  • To keep your car running smoothly, check out our wide selection of trusted Bar's Leaks repair solutions and Rislone performance enhancement products
  • The Pep Boys Say: "Stop engine leaks before they become a nasty problem with Bar's Leaks Rear Main Seal Repair."


Type
Sealant

555348

Rated 3.6 out of 5 by 18 reviewers.
Rated 1 out of 5 by Didn't work for me I thought I'd give it a try on a car I just purchased, and the mechanic said I have a rear main leak. I actually tried it twice with two different oil changes, after it didn't work the first time. It didn't appear to slow down my rear main leak at all on my RX300 Lexus. Off to the mechanic to get the rear main seal replaced, and put his kids through college! March 30, 2016
Rated 1 out of 5 by Still leaking Used this several times in my 96 jeep grand and didn't work,seal may be beyond any quick fix. November 9, 2015
Rated 4 out of 5 by Good Product Reduced the leak substantially but not completely. Seals were damaged due to clogged PCV system which was replaced and cleaned. Will use another bottle of Bar's RMS during next oil change to hopefully recondition and seal the system. September 22, 2015
Rated 5 out of 5 by This product works! I was really surprised that this product works. Although, the instructions say that the leak should stop after 3 days of driving; my leak stopped after a week of driving. I'm still very happy that it works. September 14, 2015
Rated 5 out of 5 by Really Works I have been using this for a few years now on all my classic and antique vehicles. Not only for the motor but also in my transmissions and differentials. As long as the oil isn't shared with a wet clutch it will be fine. The seals rejuvenate and takes care of leaks. August 20, 2015
Rated 4 out of 5 by 80% effective Expected the product to STOP the oil leak 100%. I'll settle for the 80% effective as it is better than pulling the transmission. August 8, 2015
Rated 5 out of 5 by works had a slight leak from the main seal, mechanic said to put in an additive and it might fix it. Put it in and the leak is gone. July 27, 2015
Rated 4 out of 5 by This product gave me what I was looking for. This product gave me what I was looking for. Controlling the loss of engine oil and preventing the repair and costs. May 22, 2015
Rated 1 out of 5 by Don't bother spending the money for this I bought and used this product twice for my 94 Toyota Camry. I just sent it to the junkyard for a payment of $200.00. The blocked cracked from the the oil leaking out and the subsequent overheating. This resulted in oil and coolant mixing in a cylinder. I've lost the car, my money, and the way I make a living for the time being until I figure a way to get another vehicle in which to transport me and my tools. I'm a handyman who is currently financially embarrased. May 9, 2015
Rated 3 out of 5 by Only small, non mechanical leaks This and many other products like it or not designed for major leaks you and if they say main bearing leaks they just don't work well for small leaks around seals valve covers etc this works very good January 19, 2015
  • 2016-12-04 T08:41:26.990-06:00
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