PLEASE NOTE - Some products are not immediately available. If your order will be delayed, we will e-mail you or call you and let you know.
E-MAIL US HERE about availability and we will respond quickly! We ship same day if your order was placed by 1:00 PM EST during normal business hours BASED ON AVAILABILITY.
NEXT DAY SHIPPING NOTE - Please see our Shipping Policy SATURDAY OR SUNDAY DELIVERY IS NOT AN OPTION.

WE ARE CLOSED ON MONDAY, MAY 27th IN OBSERVANCE OF MEMORIAL DAY AND WILL RESUME NORMAL BUSINESS HOURS ON TUESDAY, MAY 28th
ALL ORDERS PLACED THIS WEEKEND AND ON MONDAY WILL BE PROCESSED ON TUESDAY, MAY 28th
THANK YOU TO ALL OUR ACTIVE AND RETIRED SERVICE MEN AND WOMEN FOR YOUR CONTINUED SACRIFICE TO KEEP THIS COUNTRY SAFE AND FREE. MAY GOD BLESS YOU ALL!
PLEASE HAVE A SAFE MEMORIAL DAY WEEKEND FROM ALL OF US AT MY INBOARD MARINE!

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...

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