Baldwin Filter BC7173 Oil Filter Descriptions : Centrifugal By-Pass Lube ElementFits : Mack EnginesReplaces : Mack 57GC2187, 236GB245MO.D. : 3 27/32 (97.6)I.D. : 13/32 (10.3) & 1/2 (12.7)Length : 4 1/2 (114.3)F.Gskt : [1] Included