Air cleaner a set  for T4.0 boat motor
Air cleaner a set for T4.0 boat motor

$19.90

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I had the basic version - i.e., the one without the foam strip - in for a year. Engine runs better and starts a little smoother again now that I went back to this version.
That's about 4 replacements before you reach the cost of one of these filters. That's worth it to me. I clean mine about every oil change so in time it adds up to a good amount of $$$ saved