It is mounted to the side of the mower for the cut grass to be expelled out of it

5 Percent Governor

Kohler CH255-3039 Horizontal Command PRO Single Cylinder 4-Cycle OHV Gas Engine

E3 Steiner Spec

This breather for brush cutters and trimmers

Efco 50270014R Clutch Drum Engine Series_GX340 It is mounted to theKeep your outdoor equipment performing at its best with high quality Efco replacement parts. Designed for a wide range of tools including blowers, lawn mowers, chainsaws, hedge trimmers, edgers, water pumps, and more these parts provide the durability and precision you need to keep your machines running like new. Each Efco replacement component is engineered to meet demanding performance standards, ensuring a reliable fit and long lasting service