Mercury 80W-90 Premium Gear Lube, 2.5 Gallon 858059Q01

Mercury/Quicksilver 80W-90 Premium Gear Lube, 2.5 Gallon 858059Q01 is a genuine Mercury/Quicksilver OEM gear lubricant formulated to protect lower unit gears and bearings in outboards up to 75HP. Engineered specifically for marine applications, this SAE 80W-90 gear lube helps reduce friction, minimize wear, and provide reliable protection against corrosion for extended gearcase life.

Compatible with the following:

• Mercury outboards up to 75HP requiring SAE 80W-90 gear lube

Specially formulated for the marine environment, this premium gear lubricant contains advanced additives that help protect gears and bearings under demanding operating conditions. Improved emulsifiers provide added protection if water enters the gear housing, helping reduce the risk of premature gearcase damage until maintenance can be performed.

Routine lower unit oil changes are one of the most important maintenance services for any outboard. Fresh gear lube helps maximize gearcase life, maintain smooth operation, and allows for early detection of water intrusion or excessive wear during scheduled service.

Quicksilver is Mercury Marine's official parts and accessories brand, offering the same OEM quality and fit as Mercury-branded components.

To Confirm Compatibility: Contact our team with your engine serial number at (727) 596-5929 before ordering.