Sierra 25W-40 Engine Oil, Superior Marine Protection, 5 Quart, 18-9400-4

25W-40 Engine Oil is expertly crafted to deliver superior lubrication and corrosion protection, making it an ideal choice for stern drive and inboard engines that endure high loads and running stresses. Specifically developed for the demanding marine environment, this oil outperforms standard 4-cycle automotive engine oils, ensuring optimal performance and reliability. Its advanced formula offers excellent detergency, anti-oxidants, antiwear properties, and corrosion protection, helping to maintain cleaner pistons and prevent ring sticking for enhanced engine longevity. With exceptional low-temperature operating properties, this oil ensures smooth performance even in challenging conditions. Packaged in a convenient 5-quart container, it provides outstanding value for those seeking durability and peak engine efficiency in marine applications. Product Features: Product Features: Formulated to provide excellent lubrication and corrosion protection Stern drive and inboard engines operate under high load and running stresses Developed for the marine environment and will out perform standard 4-cycle automotive engine oils Offers excellent detergency, anti-oxidants, antiwear, and corrosion protection Cleaner pistons and prevention of ring sticking Excellent low temperature operating properties

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