AMSOIL 15W-40 Synthetic Oil

Shop AMSOIL 15W-40 - Straight From The Source

AMSOIL 15W-40 is engineered for heavy-duty diesel and gasoline engines that demand strength under pressure. It resists breakdown, controls soot, and reduces wear, making it ideal for fleets, trucks, and off-road equipment operating in severe conditions. Shop AMSOIL 15W-40 synthetic motor oil at Factory Direct Oil. We ship premium AMSOIL lubricants straight from the warehouse to your door, with no middlemen, no delays, and the best possible price.

AMSOIL 15W-40 Signature Diesel Oil

AMSOIL's flagship Max-Duty 15W-40 for fleets demanding the longest drain intervals and lowest cost-per-mile.

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AMSOIL 15W-40 Heavy-Duty Diesel Oil

API CK-4 synthetic in the standard 15W-40 viscosity, dramatically outperforming conventional diesel oils.

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AMSOIL 15W-40 Heavy-Duty Diesel and Marine Oil

Dual-certified 15W-40 meeting API CK-4 and NMMA specs for mixed land and marine diesel operations.

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