About This Product
390 can help to improve auxiliary power unit (APU) starting reliability, particularly coldsoak starting. It is a 3-cSt synthetic diester oil incorporating a carefully selected and balanced combination of additives to improve thermal and oxidation stability and to increase the load carrying capacity of the base oil.
ASTO 390 are commonly used in the APUs of four-engine intercontinental aircraft, but are now being considered for use in twin-engine aircraft.
Has a recommended maximum shelf life of 5 years from date of manufacture.
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