Primer Bulb For Ryobi Chainsaw RY3714 RY3716 RY3818 300780002 01183 188-512
Replace WALBRO 188-512, 188-512-1, RYOBI 683974, Poulan 530047721, Husqvarna 503 93 66-01, Ryobi 791-683974-B, Stens 615-764, Rotary 11510. This item is intended for professional installation, instruction manual is not included.