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Spark Plugs

How often should spark plugs be changed? Every 300 hours or 3 years, whichever comes first.

The engine serial number is needed to find the correct spark plug application in the reference chart.
Products (Total Items: 54)
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AC MR43LTS | MerCruiser Spark Plug | 862029
$5.83
In Stock
AC MR43T | MerCruiser Spark Plug | 898264001
Sale
$4.91  $3.99
Ships same or next day
Champion L82C | Spark Plug | 896323
$3.99
In Stock
Champion QL77CC | Spark Plug | 941
$9.91
In Stock
Champion RA8HC | Spark Plug | 883323001
$4.92
In Stock
Champion RL82C | Spark Plug | 896329874
$3.99
In Stock
NGK AR6FS | MerCruiser Spark Plug | 813425
$4.15
In Stock
NGK B5HS | Spark Plug | 84675M
$5.66
In Stock
NGK B6HS | Spark Plug |  82370M1
$4.15
In Stock
NGK B6S | Spark Plug | 813469
$3.90
In Stock
NGK B7HS | Spark Plug |  8M0114739
$4.07
In Stock
NGK B7HS-10 | Spark Plug |  8M0114740
$4.15
In Stock
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