Long Life Gear Oil
AMSOIL Long Life Gear Lubes are specifically engineered for for 500,000-mile service life in over-the-road trucks and heavy equipment.
AMSOIL Long Life Gear Lubes are specifically engineered for for 500,000-mile service life in over-the-road trucks and heavy equipment.
Find the right AMSOIL Long Life Gear Oil for your vehicle
Find AMSOIL Long Life Gear Oil for Your Vehicle
Use the AMSOIL product lookup tool to find the right long life gear oil for your specific vehicle.
AMSOIL Long Life Gear Oil FAQs
Can you mix synthetic gear oil with regular gear oil?+
Yes, you can mix full synthetic gear oil (like AMSOIL SEVERE GEAR and Long Life Gear Oil) with conventional and they are generally compatible with each other. However, mixing synthetic and regular gear lubes can shorten the oil's life expectancy and reduce performance, which is why AMSOIL does not recommend it nor support extended drain intervals where oils have been mixed.
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