ATP AT-205 Re-Seal – Professional Grade Stop Leak & Seal Conditioner

Description:
ATP AT-205 is a fast-acting professional seal conditioner designed to stop leaks caused by dried, shrunken, or hardened rubber seals and gaskets. It works in a wide range of systems including engines, automatic and manual transmissions, power steering, differentials, and hydraulic systems. Unlike many traditional stop-leaks, AT-205 does not contain petroleum distillates, making it safe for internal engine components.

Specifications:

• Product Number: AT-205

• Size: 8 oz (236 ml)

• Application: Add directly to the fluid system (engine oil, transmission fluid, power steering, differential, hydraulic fluid)

• Safe with:

  • Synthetic and conventional oils

  • ATF (automatic transmission fluid)

  • Gear oils

  • Power steering and hydraulic fluids

• Petroleum-Free: Will not over-swell or degrade seals

• Effect Time: Begins working within 5 hours of driving

Features:

• Rejuvenates dried and hardened rubber seals

• Stops leaks without requiring disassembly or mechanical repair

• Safe for all internal engine and transmission parts

• Does not contain harmful petroleum distillates

• Compatible with most fluid types used in vehicles

• Professional-grade formulation trusted by mechanics and DIYers

• Reduces repair costs for minor leaks significantly

How to Use:

1. Add one full 8 oz bottle to the system where the leak exists.

2. Drive normally — effects typically start within 4–5 hours of operation.

3. If the leak persists, another treatment may be added during the next fluid service.

Compatible Systems:

• Gasoline and diesel engines

• Automatic and manual transmissions

• Power steering systems

• Differentials (front/rear)

• Industrial hydraulic systems (except brake systems)