Mercury Mariner 30HP 40HP Spark Plugs & Oil Filter Four Stroke. P/N: RA8HC & 35-8M0162830

Mercury / Mariner  Spark Plugs x 3 & 1 x Oil Filter.

Please note: The sparks plug will not arrive in the manufactures original packaging due to bulk purchase

This listing is for four items in total.

These are the correct spark plugs for the following FOUR STROKE models:

30hp EFI serial numbers 0T409000 - 1B226999 (will NOT fit models with serial numbers starting 0R****

40hp EFI 3 cylinder models (will NOT fit carb models)

If you have any doubts whether these will fit your outboard, please email your model and serial number.

Thank you for looking.