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30% Off Online Orders of Select Parts and Accessories
Receive 30% Off Your Online Purchase. Use promotional code PEP30 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 9/29/16. Online orders scheduled for in-store pick up must be completed by closing on 9/28/16 for discount to apply.

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  • Part #: 1040|
  • SKU: 555348

Available today

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    • 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
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$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."


555348

Rated 3.5 out of 5 by 15 reviewers.
Rated 1 out of 5 by No difference in oil loss. Maybe the rear seal on my 2003 GMC 4.8 is too far gone, I don't know. I do know that this stuff did nothing to slow the leaking rear main seal. September 5, 2016
Rated 4 out of 5 by worked as expected It did slow down the rear main seal leak somewhat but has not stopped the leak 100%,, My Gasoline 6.0 liter Chevy motor has 275,000. miles! so I am satisfied considering the mileage September 1, 2016
Rated 4 out of 5 by good stuff Hi I have put this product in about 2 weeks ago before the bars stop leak i had 128333 miles I changed the oil & filter then installed the bar's leak stop, & within 90-100 miles checking oil level everyday after another 200 miles the leak stopped / I'm so happy that I do not have to spend $ 4,000 for engine work / that price is not Pep Boys Price / But overall I would tell a my friends about this good product / Thanks. August 17, 2016
Rated 5 out of 5 by This does what it says it will do My car has over 350,000 miles so that the rear main seal was starting to leak. This product slowed down or stopped the leak all together. August 13, 2016
Rated 5 out of 5 by this product is the best that i used Is an excellent product August 8, 2016
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
  • 2016-09-23 T11:28:32.678-05:00
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