Baldwin Filter B252 Oil Filter Descriptions : Microlite Transmission Spin-onContains : 20 PSI By-Pass ValveFits : Allison TransmissionsReplaces : GMC 25010441Thread : 3/4-16O.D. : 3 11/16 (93.7)Length : 5 15/32 (138.9)I.Gskt : G401