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Socket size for spark plug

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tinman Wolfsburg Wizard

404 posts · joined Aug 2005 ·

#447070
Hoping someone can help me with the socket size for my spark plugs on a 1200, 1964 beetle.
The thread size is 16mm but not sure what the socket size is.

modulus Veteran Volks Folk

2,009 posts · joined Jul 2003 ·

#447111
I think you'll find the thread size is in fact 14 mm. The socket size is 20.8 mm (oddly enough), or 13/16".

Odd that a German company making German plugs for a German car would use a non-metric spanner size.

There's a lot of information available at e.g. www.bosch.com.au.

hth
Peter Hill
1975 Type 2 Double Cab
modulus.com.au

tinman Wolfsburg Wizard

404 posts · joined Aug 2005 ·

#447167
Hey thanks for that modulus. I'll be heading out to this morning to get myself a 13/16 sized socket.