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Title: Didn't work for my Toro unfortunately.
Review: I also had the EXACT same experience as another reviewer Craig. I tried to replace a Campion RJ19LM with this plug. It's got a visibly much shorter head and I had a heck of a time pushing it up into the ignition coil cap as a result. The entire time I mowed the lawn that day the mower sounded like it was going to die over and over. Basically reving up and down, up and down. I tried reinserting it and starting it up both before, during, and after mowing. I gave this plug an hour of my time, and then I gave up. I put the year old Champion back into the mower... lo and behold, ran great. It might work for some mowers replacing the champion, but for my 2006 22" walk behind Toro, it was an unsatisfactory experience. Sorry!
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