Sierra - SAE 25W-40 FC-W 4 Stroke Marine Engine Oil - Quart - 12 Pack - 94002 Want to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional oil analysis kits. Results are typically received in a few days via email. Shop now. Recommended for use in Mercruiser and OMC. Formulated to provided excellent lubrication and corrosion protection. Developed for the marine environment and outperforms automotive engine oils with excellent detergency, anti-oxidants, anti-wear, and corrosion protection. Excellent low temperature operating properties. Meets or exceeds quality performance API SJ, CF-4, CH-4 and is NMMA FC-W certified. This bundle contains 12 Quarts. If you are looking for other quantities of SAE 25W-40 FC-W 4 Stroke Marine Engine Oil, Click here 12-Pack Size - Quart