Gear Service Kit, Compatible with Grainger Part Number 35U536, 35U539, 35U540, 35U542, 35U543, 35U545, 35U546, 35U547, 35U549, 4NA14, Compatible with Manufacturer Model Number 45MJH1A1STAA, 45MJH2A1STAA, 45MJH2A3STAA, 45MJH7A1STAA, 45MJH7A3STAA, 45MJL2A1STAA, 45MJL3A1STAA, 45MJL3A3STAA, 45MJL4A3STAA, 45MJL5A1STG1, Flow Rate (Maximum) 50 gpd, Includes 1 oz Tube of Aqua Shield(R), Gear Posts, Cover Screw B, Metal Reduction Gear, Motor Shaft with Gear, Phenolic Gear with Spacer