Baldwin Filter B447 Oil Filter Descriptions : Microlite Full-Flow Lube Spin-onContains : 20 PSI By-Pass ValveFits : Volvo Marine EnginesReplaces : Volvo 471034, 471034-9Thread : 1-12O.D. : 4 1/4 (108.0)Length : 4 23/32 (119.9)I.Gskt : G381-A