Product OverviewSierra 9421CAT3 4-Stroke Synthetic Blend Catalyst Outboard Engine Oil, 10W30, Gal.Key Features Meets requirements of modern 4-stroke recreational engines with or without emission catalyst systems Approved for all 4-stroke applications including Outboard, Sterndrive and Inboard Exceeds all 4-stroke requirements including FC-W and FC-W Cat Compatible Provides superior corrosion protection under extreme conditions Industry leading wear protection and deposit control Capitalizing on "ZDDP" anti-wear additive technology Prevents phosphorous depletion and extends the emission catalyst life NMMA FC-W Certified For use in Mercury 4-Cycle Outboard Engines requiring 10W-30 Sold in case packs only Specifications Grade: 10W30 Size: Gallon Product Details Brand: Sierra Product Type: Engine Oils & Lubricants Manufacturer Part Number: 18-9421CAT-3 UPC: 808282385033 LNS Category: Engine Parts & Consumables LNS Subcategory: Oil, Gear Lube Dimensions: L 16 in × W 13 in × H 15 in Country of Origin: US Compare the manufacturer part number, dimensions, fitment, voltage, material, and included components with your application before ordering.Enjoy free standard shipping on all U.S. orders, including Alaska, Puerto Rico, Guam, U.S. territories and protectorates, and eligible P.O. boxes.
