Base oils Outboard Engine Gear Oils for Boats

Gear oil is necessary for an outboard or inboard motor because the gear spends most of its time submerged in water.

-8%New
Sierra Marine
Sierra Marine Premium Gear Oil 1L
Sierra Marine Premium Gear Oil 1 Liter. Provides enhanced protection against wear and corrosion.
€24.10
€26.20
-8%New
TotalEnergies
TotalEnergies TRAXIUM axle 7 base oil 80W90 5L
TRAXIUM axle 7 80W90 5 litre Total Energies base oil. Extreme pressure lubricant with synthetic agents, specially formulated to facilitate the lubrication of all Z-drive bases and low and high temperature Volvo, Mercruiser, OMC bases (except electric)
€61.29
€66.62