MAT - EDI

This part attaches the pressure switch and manifold. This part is made of metal and durable rubber. 

For 11 gal. units. (order (#11623A) nuts and sleeves below)

Complete Air Compressor Pump, Complete Assembly, Two-Stage, 2 HP.  Cast-iron construction, oil-bath, v-twin design with oil sight glass, flywheel, and air intake filter...

(not shown) - Flywheel Key. 3/8" key