Rx7/Rx8 & 20B Water Jacket Seal Kit

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Consider an O-Ring Kit, its a cheaper alternatives that is more inclusive:

The above linked gasket kits include these water jacket seals AND, tension bolt washers, dowel pin o-rings, intake gaskets, exhaust gaskets etc, etc, a great value.

Mazda Water Jacket Seal Kit, enough to do a complete engine.

  • $160.00

Don't be fooled by competitors "teflon encapsulated" o-ring kits which are comprised of nothing more than a few o-rings straight out of a Mc Master and Car Catalog which were not designed for the rotary engines at all, and happen to be relatively similar in size but were originally developed for a diesel engine.

We have personally seen competitors teflon encapsulated water jacket seals ruin multiple engines. We have also seen the teflon encapsulated o-rings fray and be useless after 10 minutes of idling the engine. Don't get cheap on your rebuild, save yourself time and money.

    • Weight
      0.5 lbs
    • SKU
  • Application
    .................., 74-85 12A & 13B, 86-11 Rx7 & Rx8, 20B
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  • Fitment Type
    Vehicle Specific
Model Year Engine
Rx8 04-08 13B-MSP
Rx8 09-11 13B-MSP
Cosmo 90-95 20B
Rx7 1979 12A
Rx7 1980 12A
Rx7 1981 12A
Rx7 1982 12A
Rx7 1983 12A
Rx7 1984 12A
Rx7 1984 13B
Rx7 1985 12A
Rx7 1985 13B
Rx7 1986 Non-Turbo
Rx7 1987 Non-Turbo
Rx7 1987 Turbo
Rx7 1988 Non-Turbo
Rx7 1988 Turbo
Rx7 1989 Non-Turbo
Rx7 1989 Turbo
Rx7 1990 Non-Turbo
Rx7 1990 Turbo
Rx7 1991 Non-Turbo
Rx7 1991 Turbo
Rx7 1993 Automatic
Rx7 1993 Manual
Rx7 1994 Manual
Rx7 1994 Automatic
Rx7 1995 Manual
Rx7 1995 Automatic