Gear Service Kit, Compatible with Grainger Part No. 35U536, 35U539, 35U540, 35U542, 35U543, 35U545, 35U546, 35U547, 35U549, 4NA14, Compatible with Mfr. Model No. 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, Material Stainless Steel