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Auto Barn
Est. 1957
ATP AT-205 Multi-Purpose Leak Re-Sealer (8 oz)
ATP
ATP
SKU: ATPAT-205

ATP AT-205 Multi-Purpose Leak Re-Sealer (8 oz)

$18.69

Usually ships the next business day

Seal conditioner that restores dried and hardened rubber seals and gaskets in engines, transmissions, and differentials. 8 oz treats 6 quarts.

Key Features

  • Works as a plasticizer to restore flexibility in dried and hardened rubber seals.
  • One 8 oz bottle treats a 6-quart system capacity.
  • Compatible with conventional oil, synthetic oil, ATF, gear oil, power steering fluid, and hydraulic oil.
  • Does not contain petroleum distillates and will not over-swell seals.
  • Treats leaks in engines, transmissions, differentials, and power steering systems.
  • Not for use in brake systems.
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Product Details

Rubber seals and gaskets dry out and harden over time, which is how small oil leaks turn into spots on the garage floor. ATP AT-205 Re-Seal works as a plasticizer, the same type of chemical used during rubber manufacturing to set flexibility. When added to the oil, it circulates through the system and conditions those dried-out seals from the inside, restoring their flexibility and sealing ability.

One 8 oz bottle treats a 6-quart system capacity, and you adjust proportionally for larger or smaller systems. AT-205 is compatible with conventional and synthetic oils, automatic transmission fluid, gear oil, power steering fluid, and hydraulic oil, so it works across the engine, transmission, differential, and power steering systems. The only exception is brake systems, which should never be treated with this product.

AT-205 does not contain petroleum distillates and will not over-swell or break down the seals it treats. Engine main seals typically need about 5 hours of running time for the product to take full effect, though some leaks respond faster. It is a straightforward add-and-drive treatment with no draining or flushing required.

Specifications

Brand
ATP
Manufacturer Part #
AT-205
SKU
ATPAT-205
UPC
616369889363

Frequently Asked Questions

Customer Reviews

5.0

Based on 2 reviews

5
100%
4
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ricky

works

Had a rack and pinion upper seal that was leaking badly. I heard about this stuff from scotty kilmer on youtube thought i would give it a try and by gosh it worked...lol all i can say how long it will last yet to be determined but we will see...

Jill

Great Stuff!

I was having trouble with my power steering making noise due to a leak somewhere. A friend told me about this product and I haven't heard a peep out of my car again.

ATP AT-205 Multi-Purpose Leak Re-Sealer (8 oz)

$18.69