PLEASE NOTE - SOME PRODUCTS ARE NOT IMMEDIATELY AVAILABLE. IF YOUR ORDER WILL BE DELAYED, WE WILL E-MAIL OR CALL YOU AND LET YOU KNOW.
YOU CAN E-MAIL US HERE ABOUT AVAILABILITY AND WE WILL RESPOND QUICKLY!

PLEASE NOTE - - WE WILL BE CLOSED FRIDAY JULY 1st through MONDAY JULY 4th in observance of Independence Day.
Orders received during this time will be processed when we resume normal business hours on Tuesday, July 5th!

HAVE A SAFE HOLIDAY FROM ALL OF US AT MY INBOARD MARINE!

Full Synthetic SAE 30 4-Stroke Oil 5 Qt. SIERRA™ 18-9410-4

$58.70 $60.39

Fully synthetic straight 30 weight engine oil is formulated for inboard & stern drive marine engines. Sierra full synthetic inboard engine oil SAE 30 5 quart bottle Recommended for gasoline...

Fully synthetic straight 30 weight engine oil is formulated for inboard & stern drive marine engines.

  • Sierra full synthetic inboard engine oil
  • SAE 30
  • 5 quart bottle
  • Recommended for gasoline and diesel inboard and I/O engines
  • Developed specifically for the marine environment and the high running stresses marine engines encounter
  • Reduces friction and wear for long engine life
  • Beter lubrication effectiveness for longer durations than mineral oils
  • Reduces oil consumption and improves fuel economy
  • Exceeds all FC-W requirements
  • API-CF/SL