Product Overview

This Sierra 4-stroke synthetic blend 25W-40 outboard oil has been specially formulated to exceed the tough requirements of the marine 4-stroke outboard motor manufacturers. Its highly refined additive package and premium oil offers superior lubrication protection against wear, reduces friction and protects internal engine components against corrosion.

• NMMA FC-W® Certified

SKU BLA-S18-9440-3
Brand Sierra
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