Injector O-Ring Size

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  • Jamo
    Retired OG Mod
    • Mar 2004
    • 21750
    • Country: United Kingdom

    #1

    Injector O-Ring Size

    Does anyone know what size O-ring the fuel rail on the s2 takes?

    Is it 11mm or 14mm?
  • Jonas_R
    S2Forum Possessed
    • Jan 2004
    • 3780
    • Country: Denmark

    #2
    The o-ring is 7,52X3,53
    Sleeper S2 Avant +450

    A6 Avant 2.7t Stage 3

    Audi S2 Coupe RS2'ed

    Comment

    • Jonas_R
      S2Forum Possessed
      • Jan 2004
      • 3780
      • Country: Denmark

      #3
      And that standard o-ring is 14,58mm outer diamater
      Sleeper S2 Avant +450

      A6 Avant 2.7t Stage 3

      Audi S2 Coupe RS2'ed

      Comment

      • Keeper of The Kitten
        S2Forum Fiend
        • Dec 2003
        • 2317
        • Country: England

        #4
        That's handy information for me too - thanks for that! Right Jon, I think I need some 'o' rings!
        Martin Cutting

        aka Keeper of "The Teutonic Kitten"

        It's not better than sex, but it runs it a close second.

        Comment

        • Keeper of The Kitten
          S2Forum Fiend
          • Dec 2003
          • 2317
          • Country: England

          #5
          Just for information, and it is relevant - is the other end also the same 'o' ring? I've just been looking at a set of injectors and the ring groove looks the same, but I could do with confirmation!
          Martin Cutting

          aka Keeper of "The Teutonic Kitten"

          It's not better than sex, but it runs it a close second.

          Comment

          • Jamo
            Retired OG Mod
            • Mar 2004
            • 21750
            • Country: United Kingdom

            #6
            On stock injectors the top o-ring is larger than the one in the manifold

            Cheers Jonas

            Comment

            • twoqu
              S2Forum Possessed
              • Sep 2003
              • 3103

              #7
              The seals are the same top and bottom! Only looked this up last night!
              035 906 149A

              Comment

              • Jonas_R
                S2Forum Possessed
                • Jan 2004
                • 3780
                • Country: Denmark

                #8
                I agree with twoqu ETKA says you need 2 of the same o-ring for each injector.
                Sleeper S2 Avant +450

                A6 Avant 2.7t Stage 3

                Audi S2 Coupe RS2'ed

                Comment

                • |Maku|
                  S2Forum Addict
                  • Apr 2005
                  • 248
                  • Home: Estonia

                  #9
                  Just yesterday bought them from Audi center and noone asked if I want upper or lower ones. About 3 euros a piece.

                  Comment

                  • Jonas_R
                    S2Forum Possessed
                    • Jan 2004
                    • 3780
                    • Country: Denmark

                    #10
                    funny thing is that you can by them at any shop that sells orings for around 0.2 euro
                    Sleeper S2 Avant +450

                    A6 Avant 2.7t Stage 3

                    Audi S2 Coupe RS2'ed

                    Comment

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