About Upper Cylinder Lubricant Corrosion Inhibitor
Upper Cylinder Lubricant Corrosion Inhibitor is an option for upper-cylinder lubrication. Choose a treatment for the specific job you need done, and make sure its intended fuel and equipment match yours.
Before you choose
Confirm fuel-system compatibility and follow the current bottle dosage. Measure the amount against your tank capacity rather than estimating.
Can I use this in a different fuel type?
This selection is intended for gasoline applications identified by AMSOIL. Do not assume a gasoline and diesel additive are interchangeable. Check the current label for fuel compatibility, dosage, and handling instructions.
Product information reviewed September 7, 2026. Read AMSOIL’s current details.



