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Used Outboard Parts & Fresh Water Sterndrive Parts

BP8H-N-10 4838 NGK Nickel Spark Plug for Mercury Mariner Outboards
$2.04

BP8H-N-10 4838 NGK Spark Plugs for Mercury Mariner outboard engines.

Equivalent to Mercury Marine 33-8167372, 816737B2, 816737Q, OMC 503710, OMC 509571.

No Resistor.
Thread diameter: 14mm
Thread pitch: 1.25mm
Seat type: gasket
Reach: 12.7mm (1/2")
Hex size: 13/16" (21mm)
Terminal type: solid
Gap: .039" (1.0mm)

Please check the part numbers for your specific fitment needs.

cat-E14

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