Ace Hi Oil

25W-40 Synthetic-Blend Marine Engine Oil

Product code: WCMQT-EA

Availability and Price subject to AMSOIL stock, visit product's page for updated information.

Read the Warranty

Use in gasoline-fueled four-stroke inboards, outboards, inboard/outboards and personal watercraft that require any of the specifications listed below, including those made by Mercury* and Mercruiser*.
- API SM
- NMMA FC-W Catalyst Compatible
Four-stroke outboard motors and personal watercraft: Due to potential fuel dilution or water contamination, change oil at the engine or watercraft manufacturer-recommended interval. Inboard and I/O applications: Change oil at two times the engine manufacturer-recommended interval, or once a year, whichever comes first.
AMSOIL 25W-40 Synthetic Blend Marine Engine Oil is Warranty Secure®, keeping your factory warranty intact. It is a high-performance replacement for vehicle manufacturer-branded products and is also backed by the AMSOIL Limited Warranty (G1363). For details, visitwww.amsoil.com/warranty/.