Bt the way not sure what the D means but here are the modles mine fit
BRIGGS & STRATTON 14, B, FB, R6D, P, R, 19, B, D, 23, A, AB, C,R6, 142300-143457, 144200-145254, 146400, 146700, 170400, 190400, 191400, 193401, 195400,200400 and 233400; for 7 and 8 HP horizontalengines (2 piece flo-jet)