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$5.52
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Champion Spark Plug (RJ18YC)
$5.52
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Spark Plug Customer Reviews
Common Problems Fixed by the Spark Plug
Based on customer reports and repair data, this part commonly fixes these issues:
Very Likely
Chainsaw won't start
Very Likely
Snowblower runs rough
Very Likely
Snowblower won't start
Very Likely
String trimmer won't start
Very Likely
Small engine won't start
Very Likely
Small engine hard to start
Likely
Small engine runs poorly
Likely
Snowblower starts then stalls
Likely
String trimmer runs rough
About the Spark Plug
The spark plug might be defective. To determine if the spark plug is defective, remove the spark plug and inspect it. If the porcelain insulator is cracked, an electrode has been burned away or damaged, or there is heavy carbon buildup at the electrode, replace the spark plug. Alternatively, if the spark plug hasn’t been replaced in a few seasons, replace it.
Popular models
Alternative Part Number(s)
Replaces Part Number 611005
Replaces Part Number RJ18YC
Replaces Part Number J18YC
Replaces Part Number RJ18Y
Replaces Part Number J18Y