Replacement oil filter for all verado in-line, six-cylinder outboards and the verado 400R. Replaces originally installed filter number 883701. Features an anti-drain back valve to ensure start up lubrication and eliminate dry starts. Produced to Meet Mercury marine original equipment Manufacturer specifications to best protect your engine. Superior m-pleated cleansing filter media removes oil contaminants. 50% thicker metal shell than conventional filters with a durable, corrosion resistant finish. Replaces filter number 883701.