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Old 08-03-2003, 11:45 PM
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1991300SEL 1991300SEL is offline
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Join Date: May 2003
Posts: 545
You merely need to look for Bosch part # H9DCO. That plug offers the correct heat range. If you find part # H9DC, that too is acceptable.

The plug with the O on the end has a slightly wider electrode. I've used both and could not say one performed better than the other, although I prefer the beefier look of the H9DCO electrode.
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