revilla Posted January 17, 2022 Share Posted January 17, 2022 I'm rebuilding a few more Ks and the O-rings on the IACVs were all looking decidedly crushed and were hard and brittle with age, so I decided to replace.None of the standard metric sizes are a very good fit. I don't think you can buy original O-rings, they just came as part of the IACV.Anyway after some digging, for future reference, BS909 O-rings (17.93mm ID, 2.46mm CS) in Viton (for fuel-resistance) are a perfect fit:I bought these: https://simplybearings.co.uk/shop/p514963/BS909-2.46mm-Section-17.93mm-Bore-VITON-Rubber-O-Rings/product_info.html Link to comment Share on other sites More sharing options...
Area Representative Nick Bassett Posted January 18, 2022 Area Representative Share Posted January 18, 2022 Good to know - thanks Andrew. Link to comment Share on other sites More sharing options...
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