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!

Oil - Engine - Marine Engine Oil 25W-40 One Quart

$11.05 $12.59

Synthetic blend 25W-40 engine oil is formulated for stern drive & inboard marine engines. One Quart Sierra synthetic blend inboard engine oil SAE 25W-40 1 quart bottle Recommended for gasoline...

Synthetic blend 25W-40 engine oil is formulated for stern drive & inboard marine engines. One Quart

  • Sierra synthetic blend inboard engine oil
  • SAE 25W-40
  • 1 quart bottle
  • Recommended for gasoline inboard and I/O engines
  • 4-stroke oil is a blend of premium grade synthetic and mineral based stock with highly refined additives
  • Developed specifically for the marine environment and the high running stresses marine engines encounter
  • Protects internal engine components from rust, corrosion, and from sticking piston rings
  • Features high detergency, anti-oxidants, and antiwear proprties
  • Prevents thermal breakdown under high RPM's, extreme temperatures, and high load conditions
  • NMMA FC-W certified/API-SL
  • Replaces Mercury 92-8M0078629