"meirman" wrote in message
...
Is it possible to get an 18MM spark plug for a lawn mower?


Sure - just go to your local NAPA store and ask them for an 18MM Champion.
Just make sure the length of the thread isn't longer than the thread on the
original plug so it doesn't hit the top of the piston. I use them in
tractors and I used to use them in my old snowmobiles.
Should be about $1.75.

And does anyone have a brand/number for one?


The original plug was 14MM (a Champion RJ19LM) but it seems the

Meirman