Rotary 12440. Poulan Weedeater 530-038874 Primer Bulb w/plate - Fits models 111, 114, 115, 165, 175, 176, 185, 185R, 195, 196, BC2400, BC24W, BC308, BC3100, GTI15 thru 19, 52, LT17, HP22, 28, XT125, 20, 30, 40, 45, 50, 85, 7000 and 7500 series gas Trimmers. Mounting p