Genuine Briggs & Stratton Oil Drain Plug Part # 691686 Specifications: Length: 0.8"  Applications: Fits Briggs & Stratton: 94916, 94387, 91249, 555079, 691686, 091202, 091212 Fits: 256422-1070-E1, 256422-1070-E1, 256427-0025-01, 256427-0525-A1, 256427-1025-E1, 256427-1027-E1, 256427-1028-E1, 21M314-0122-E1, 21M314-0127-F1, 21M314-0127-F1, 256422-1015-E1, 121432-0036-E2, 12D107-0166-F8, 12D107-0163-F8, 12D106-0168-F8, 133212-0324-A1, 133212-0360-A1, 133212-1024-E1, 133212-1060-E1, 133232-0336-A1, 133232-1035-E1, 133232-1036-E1, 133232-1038-E1, 133237-0350-A1