HOLIDAY SCHEDULE!

WE WILL BE CLOSED THURSDAY AND FRIDAY NOVEMBER 27th & 28th TO CELEBRATE THANKSGIVING AND WILL REOPEN ON MONDAY, DECEMBER 1st.

All orders placed during this time will be processed on Monday, December 1st when we resume our normal business hours.

HAPPY THANKSGIVING FROM THE TEAM AT MY INBOARD MARINE & GOD BLESS YOU!

Hi-Performance Synthetic Blend Gear Lube - 5 Gallons Sierra™ 18-9650-5

$242.78 $274.59


Sierra's™ synthetic blend lower unit gear lube is a GL-5 rated marine lubricant designed to protect high-performance outboards & I/O's. Replaces Mercury or Quicksilver high-performance gear lubricant 92-858008K01.

  • Sierra™ synthetic blend gear lube
  • Engineered to protect gears, bearings, and internal gearcase components of outboards and stern drives under high load operating conditions
  • Formulated to surpass the performance of OEM high performance lubricants
  • 5 gallon bucket
  • 80W-90 weight
  • GL-5 rated
  • Blue-green color
  • Replaces Mercury Quicksilver Hi-Performance Blend lubricant, OMC Ultra-HPF Blend lubricant, and Yamaha Yamalube LUB-GEARL-11-00 lubricant
  • Optional gear lube pump P/N 18-9788 – sold separately
  • Replaces Mercury 92-858008K01
  • Replaces OMC/Johnson/Evinrude 778879
  • Replaces Bel-Ray 99740-PA
  • Replaces Mallory 9-82502