AT-205 ATP Re-Seal Automatic Transmission Leak Stopper 8oz - 2 Pack

TXN Supply

(7412)

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US $47.77/ea

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New

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More than 10 available36 sold

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Buy 3 or more for 42.99 each one

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Located in: Austin, Texas, United States

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Estimated between Tue, Sep 30 and Sat, Oct 4 to 94104

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30 days returns. Seller pays for return shipping.

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eBay item number:284916214722

Last updated on Sep 23, 2025 16:10:45 PDTView all revisionsView all revisions

Item specifics

Condition: New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ... New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. See all condition definitionsopens in a new window or tab

Brand: ATP

Manufacturer Part Number: AT205

MPN: AT208

UPC: Does not apply

Item description from the seller

About this seller

Joined Jan 2010

Usually responds within 24 hours

Welcome to TXN Supply, your go-to source for high-quality automotive parts! Based in Texas, we’re dedicated to providing reliable products and exceptional service to mechanics, DIY enthusiasts, and ...

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Detailed seller ratings

Average for the last 12 months

Accurate description

5.0

Reasonable shipping cost

5.0

Shipping speed

4.9

Communication

5.0

Spark PlugsOil FiltersLubricantsAccessoriesACDelcoChampionNGKMotorcraftDENSO

Seller feedback (7,409)

This item (12)

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a***2 (1682)- Feedback left by buyer.
Past 6 months
Verified purchase
Item as described, good condition, packaged well, good transaction and good price. Shipping took to long, but this could have been the USPS. Overall, it was a good transaction with, good communication, good ebayer!
NGK 6263 Spark Plugs CR9E - 10 Pack (#285649545325)
-***a (653)- Feedback left by buyer.
Past 6 months
Verified purchase
Great eBay seller fast shipping good packing excellent communication and description and the value can't be beat. I'd buy from the seller getting the future. Thank you.
NGK BPR5ES Spark Plug 7734 - 4 Pack (#285813930727)
r***a (204)- Feedback left by buyer.
Past 6 months
Verified purchase
As listed. Item took 10 to 11 days to go from Texas to NC. Package was heavily damaged.
Champion 71 Spark Plug RC12YC - 2 Pack - For Cub Cadet, MTD 759-3336,... (#285029992412)

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4.7

176 product ratings

147 users rated this 5 out of 5 stars
13 users rated this 4 out of 5 stars
8 users rated this 3 out of 5 stars
3 users rated this 2 out of 5 stars
5 users rated this 1 out of 5 stars

Would recommend

Good value

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See all 172 reviews

by iamcentari
Mar 17, 2023Top favorable review
It does work
My 2008 Chrysler Sebring convertible with over 160,900 miles had an engine oil seal leak. The car mechanic who regularly services my car said that fixing the leak would cost $1300 -$1500 and that based on the age and mileage of the car, it was not worth repairing. Several weeks before, it happened that I watched a video on YouTube by a person to whom I subscribe that tested various types of products one of which included engine oil sealants. He compared the different manufacturer products showing how he tested them and the results he got from these tests. Among the sealant products was ATP AT-205 Sealant. He showed that this product was the best in sealing the leak by rejuvenating the seals tested. Another person, a car mechanic of over 50 years, to whom I also subscribe said, based on ... My 2008 Chrysler Sebring convertible with over 160,900 miles had an engine oil seal leak. The car mechanic who regularly services my car said that fixing the leak would cost $1300 -$1500 and that based on the age and mileage of the car, it was not worth repairing. Several weeks before, it happened that I watched a video on YouTube by a person to whom I subscribe that tested various types of products one of which included engine oil sealants. He compared the different manufacturer products showing how he tested them and the results he got from these tests. Among the sealant products was ATP AT-205 Sealant. He showed that this product was the best in sealing the leak by rejuvenating the seals tested. Another person, a car mechanic of over 50 years, to whom I also subscribe said, based on his years of experience, that the ATP TP-205 product was the best even though it was somewhat expensive. Based on the reviews of these two men whose advice I trust, I thought I would gamble on the ATP AT-205. If it worked I would save a bundle of money. If it didn't work, then I was out roughly $20. All I had to do to stop the leak was add 1 container of the product and drive. It claimed to stop the leak after 5 hours of driving. After 2 days of just under driving a total of 4 hours, there was still a sign of leaking but it did not look like oil but rather the APT AT-205 on the ground. After 1 more day and 2 more hours of driving, the ground under the engine was dry. After another 2 hours of driving today, the ground is still dry. So it appears the ATP AT-205 has kept its promise by doing its job. Hopefully, this will continue to work for another 100,000 miles of driving or till I get another car.
Verified purchase: YesCondition: NewSold by: partkingwholesale
by thebigdog197710
Aug 02, 2022Top critical review
Didn't work for me
ATP AT-205 - seems like a good idea but it didn't work for me - that doesn't mean it won't work for you, I just thought I had nothing to lose - the leak is still there and about the same as it was before I used it - there is no promise that this will work - it even says on the bottle, it it still leaks after 5 hours of use, you should seek out a professional auto tech. so basically, leaky seals it will likely fix, damaged seals, it won't - you won't know that until you try this product or remove and replace the actual seal.ATP AT-205 - seems like a good idea but it didn't work for me - that doesn't mean it won't work for you, I just thought I had nothing to lose - the leak is still there and about the same as it was before I used it - there is no promise that this will work - it even says on the bottle, it it still leaks after 5 hours of use, you should seek out a professional auto tech. so basically, leaky seals it will likely fix, damaged seals, it won't - you won't know that until you try this product or remove and replace the actual seal.
Verified purchase: YesCondition: NewSold by: northparts
by starion1986
Dec 01, 2022
hybrid with leak gone
I have watched this blog about this product from Scotty Kilmer and I’m glad this is available on eBay. I have better peace of mind now knowing my oil leak has stopped totally or been contained mostly. Either way it’s good for the engine health of a lifetime!
Verified purchase: YesCondition: NewSold by: partkingwholesale
by goose2129
Aug 26, 2024
Stuffs like gold. I used it to recondi...
Stuffs like gold. I used it to recondition the rubber fittings on my old car…. The various boots and rubber suspension parts. I threw the rest in my oil for my leak.
Verified purchase: YesCondition: NewSold by: northparts
by commandos1983
Apr 01, 2022
It seems to work on Freelander 1 KV6
Bought this for a freelander 1 KV6 rear crankshaft seal leaking for years. At one point the leak was serious and then mitigated with addition of stp stop leak product. The main difference I felt was at idle the vibrations from engine compartment was reduced noticeably. However after a year or so the leak once again started and the idle vibrations became annoying. So I have been waiting for the atp product ever since I saw the reviews and Klimer's video. i poured 1/4 bottle into engine and then it run idle for a few minutes. After overnight sitting still I started the car again and it runs very smoothly both at cold and warm idling conditions. Perhaps it also does good to some other gaskets I hope the effect can last longer and will continue to monitor the leak, if any... Joint between ... Bought this for a freelander 1 KV6 rear crankshaft seal leaking for years. At one point the leak was serious and then mitigated with addition of stp stop leak product. The main difference I felt was at idle the vibrations from engine compartment was reduced noticeably. However after a year or so the leak once again started and the idle vibrations became annoying. So I have been waiting for the atp product ever since I saw the reviews and Klimer's video. i poured 1/4 bottle into engine and then it run idle for a few minutes. After overnight sitting still I started the car again and it runs very smoothly both at cold and warm idling conditions. Perhaps it also does good to some other gaskets I hope the effect can last longer and will continue to monitor the leak, if any... Joint between JF506E gearbox and IRD seems to be weak spot as well, might try to add some in the future.
Verified purchase: YesCondition: NewSold by: partkingwholesale

AT-205 ATP Re-Seal Automatic Transmission Leak Stopper 8oz - 2 Pack

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Item specifics

Item description from the seller

TXN Supply

99.3% positive feedback•28K items sold

Detailed seller ratings

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Seller feedback (7,409)

Product ratings and reviews

Most relevant reviews

It does work

Didn't work for me

hybrid with leak gone

Stuffs like gold. I used it to recondi...

It seems to work on Freelander 1 KV6

More to explore :

Shop Top Sellers and Highly Rated Products in Transmission Fluid

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TXN Supply

99.3% positive feedback•28K items sold

Detailed seller ratings

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Seller feedback (7,409)

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AT-205 ATP Re-Seal Automatic Transmission Leak Stopper 8oz - 2 Pack

Shop with confidence

Item specifics

Item description from the seller

TXN Supply

99.3% positive feedback•28K items sold

Detailed seller ratings

Popular categories from this store

Seller feedback (7,409)

Product ratings and reviews

Most relevant reviews

It does work

Didn't work for me

hybrid with leak gone

Stuffs like gold. I used it to recondi...

It seems to work on Freelander 1 KV6

More to explore :

Shop Top Sellers and Highly Rated Products in Transmission Fluid

Best Sellers

Top Rated

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