PRIMER ASSEMBLY FOR POULAN REPLACES POULAN 530-038874 Fits models 111, 114, 115, 165, 175, 165, 185, 185R, 195, 196, BC2400, BC24W, BC308, BC3100, GTI15 thru 19, 52, LT17, HP22, HP28, XT125, 20, 30, 40, 50, 85, 7000 and 7500 series gas trimmers. Mounting plate size 1-5/16"L x 1"W. (2) line primer.