Sierra 25W-40 4-Stroke Synthetic Marine Oil - (MW)

Sierra 25W-40 4-Stroke Synthetic Marine Oil

Sierra 4-Stroke 25W-40 Engine Oil is blended with premium grade synthetic and mineral based stock combined with superior designed additives formulated for the stress endured by sterndrive and inboard engines. This oil was developed for the marine environment and will outperform standard 4-cycle automotive engine oils. Sierra's 25W-40 oil offers excellent detergency, anti-oxidants, anti-wear, and corrosion protection. This oil provides numerous benefits for your boat engine including reduced wear of internal components, cleaner pistons, and it helps prevent ring sticking. Sierra 25W-40 oil also provides excellent low temperature operating properties.

Features:

• 4-Stroke oil
• Superior corrosion protection
• Advanced lubrication for reduction of wear to internal engine components
• Outstanding friction reduction and wear protection
• Removes thermal breakdown under high RPM's, extreme temperatures and loads
• Extensively tested for outstanding performance
• Exceeds stringent Sierra and OEM warranty requirements
• NMMA FC-W Certified/API-SL

Interchangeable with:

• Mallory
• 9-82392
• Mercury Marine
• 92-883725K01

How much oil does my engine need?

It varies model to model, check out our Engine Oil Capacity Guide for more information and capacity charts!

 Click to Download Sierra Synthetic Oil MSDS

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