Product Overview Sierra 8703 4-Stroke Outboard Oil Filter, 4 Stroke Outboard Oil Filter, Mercury/Yamaha. Sierra 8703 4-Stroke Outboard Oil Filter, 4 Stroke Outboard Oil Filter, Mercury/Yamaha.Oil Filter engineered with premium grade materials that will excel in the extreme marine environment. Features a heavy-wall steel canister and epoxy coating for further corrosion protection, high-efficiency filter media that meets or exceeds the OE’s filtration. Meets or exceeds OEM specifications. Backed by Sierra's industry leading warranty. New o-ring seal included. Thread Spec: 3/4" x 16 or 19.1mm x 406.4mm NPT. Anti-Drain-Back Valve. Product Details Brand: Sierra UPC: 808282379681 LNS Category: Engine Parts & Consumables LNS Subcategory: Filters/Air/Fuel/Oil Dimensions: L 3.38 in × W 3.15 in × H 3.15 in Country of Origin: TW 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.