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Schrader valve for AirCon

Posted: Sun Jul 27, 2025 8:07 pm
by ccarmock
Hi
I wonder if anyone can advise me of the correct part number for a replacement schrader valve for a 2007 VW Polo 9N3 please? This is for the low pressure side.
I have seen reference to a part 8E 08 20855 then a reference to this being the right part for the 2014 onwards model.
Any help appreciated

Re: Schrader valve for AirCon

Posted: Sun Jul 27, 2025 8:27 pm
by RUM4MO
I've had a look at the parts listing, but it looks like you need to buy the complete valve housing with insert - and obviously a new O-ring seal, but I'm guessing that you are only needing to buy a new Schrader insert.

So maybe make contact with a local AC proper fixer, I seem to remember looking into this many years ago - for a 2000 VW Passat 4Motion and finding it was different thread sizes for the Lo and Hi side port inserts.

Re: Schrader valve for AirCon

Posted: Sun Jul 27, 2025 8:31 pm
by ccarmock
Yes I just need the valve insert. Certainly the housing is a different side on high and low side so assume the high side valve is different also.