Permatex Anaerobic Gasket Maker 300 ml Red vs Permatex The Right Stuff Gasket Maker, 10.10 oz (pack of 2)

Overall winner: Permatex The Right Stuff Gasket Maker, 10.10 oz (pack of 2)

Key Differences

Product A (Permatex The Right Stuff) is a silicone RTV gasket maker noted for oil and transmission-fluid resistance and broad flexibility, and it carries a much larger review sample with a high rating; Product B (Permatex Anaerobic Gasket Maker) provides a solvent-resistant, gap-filling anaerobic seal that eases disassembly and is aimed at precision engine or water-pump sealing. Choose A if you want a flexible, oil-resistant RTV with widespread positive user feedback; choose B if you need an anaerobic, solvent-resistant sealant for tight gaps and easier post-service disassembly

Permatex Anaerobic Gasket Maker 300 ml Red

Permatex Anaerobic Gasket Maker 300 ml Red

Permatex • ★ 3.9/5 • Mid-Range

Anaerobic gasket maker that cures to a solvent-resistant seal and fills gaps up to .015". Useful for on-the-spot repairs when a conventional gasket is unavailable. One customer notes strong performance on rear main seals and water jackets

Pros

  • solvent-resistant seal
  • fills gaps up to 0.015 inches
  • easy disassembly after service
  • removes old gasket material quickly

Cons

  • mixed feedback on tube durability
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Permatex The Right Stuff Gasket Maker, 10.10 oz (pack of 2)

Permatex The Right Stuff Gasket Maker, 10.10 oz (pack of 2)

Permatex • ★ 4.1/5 • Mid-Range

RTV silicone gasket maker, metallic black, oil and transmission fluid resistant with flexible seal. customers note good sealability and value across various applications; some report adhesion challenges and caulking gun issues

Pros

  • oil and transmission fluid resistant
  • flexible seal
  • noncorrosive
  • low odor

Cons

  • adhesion varies by user
  • difficult to remove from tube
  • caulking gun may break
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Head-to-Head

CriteriaWinner
Price Permatex
Durability Permatex
Versatility Permatex
User Reviews Permatex