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> Source for new 10mm Valve Adjustment Screws
frank_c
post Feb 19 2026, 10:39 PM
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Does anyone know of a vendor that has stock of eight OEM 10mm Valve Adjustment Screws (022-109-451)? Reading about the poor quality reproductions being sold, I first checked with the local Porsche dealer who told me that none are in stock anywhere in the US. Online vendors for the OEM part number I checked list them as NLA.

Assuming the OEM parts are NLA, I read mixed reviews on the Kolb (Kolbenschmidt) brand reproductions - and since I plan to switch over to swivel-feet adjusters later this year anyway, I thought I would give the Kolb parts a try (my adjusters are in bad shape). FCP Euro stated they were in stock, but after placing the order I received an email stating that their supplier only has one in stock - so I canceled that order. Other vendors must use the same supplier because when I checked inventory of the Kolb part elsewhere they also stated only one available.

I just noticed that AA lists the Kolb part. If I don't get any leads on OEM parts from folks here, I'll try calling AA tomorrow to see if they actually have eight of the Kolb parts on-hand.

Thanks for any leads,
Frank

[Edit] I forgot to mention that I'm going to call a VW dealer tomorrow to see if they possibly have stock
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Jack Standz
post Feb 20 2026, 01:24 AM
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You could take the one you found and add it to the 7 here:

https://www.ebay.com/itm/116467568811?_skw=...%3ABFBMgvm-no9n

Also, maybe move up your timeline and switch to 911 style adjusters now? Why do the job twice if you don't have to.
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