Phillips 66 X/C 20W-50 Multiviscosity Aircraft Engine Oil – Quart is the trusted ashless dispersant aviation oil designed for piston engines.
Formulated for year-round use, this multigrade oil delivers superior lubrication, cleaner operation, and proven reliability in general aviation aircraft. As the first FAA-approved mineral oil-based, ashless dispersant multiviscosity engine oil, Phillips 66 X/C 20W-50 has set the standard in piston engine protection for more than 20 years.
From everyday training aircraft to high-performance aerobatic planes, Phillips 66 X/C 20W-50 Aviation Oil delivers the proven protection your engine deserves.