This genuine Walbro carburetor primer bulb is a must-have for outdoor power equipment owners. The high-quality primer bulb ensures easy starting and smooth performance of your equipment. It is compatible with various models including the 188-13-1 and 188131. Crafted with precision, the primer bulb is suitable for use in chainsaw parts, yard, garden and outdoor living equipment, and home and garden tools. With a brand like Walbro, you can be assured of the durability and reliability of the product. Get your hands on this primer bulb and experience the convenience of easy starting and efficient performance.