CountryMark Advantage^TM Lubricants
Gear Oil

Gear oil goes to work under intense pressure to protect many metal-on-metal drivetrain parts operating in extremely close contact. CountryMark offers two types of gear oil to suit your exact needs, both of which are produced to our high standards of excellence.

Full Synthetic Multi-Purpose Gear Oil

CountryMark Advantage™ Full Synthetic Multi-Purpose GL-5 Gear Oil is a multi-functional, heavy-duty gear lubricant specifically designed for high-performance automotive applications.

Available in:
SAE 5W90
SAE 80W140

Multi-Purpose Gear Oil

CountryMark Advantage Multi-Purpose GL-5 Gear Oil is a high-performance, multi-grade and extreme-pressure lubricant. This gear oil offers limited slip characteristics, excellent performance in automotive axles, gear sets, transaxles, differentials, final drives and manual transmissions. It is formulated to provide outstanding thermal stability, excellent corrosion protection and superior seal compatibility.

Available in:
SAE 80W90
SAE 85W140