The Pentair V38131 Ultra-Flow Pump Seal Plate is for use with the Ultra-Flow Pump 357143. Dimensions: 10-in x 10-in x 2.1-in. Weight: 2.4 lbs. 

American Products (Pentair) Ultra-Flow Replacement Seal Plate , Black, Replaces 39004910. Mounting bolts are molded into plastic.• Pump Seal Plate • Ultra-Flow Seal Plate • Pentair Pump Seal Plate