... fluid ends. The pumps can be unitized with electric motors, diesel engines, and hydraulic motors (horizontal, vertical, or close-coupled configuration). Sizes from ... , INBOARD FAFNIR 5313 WBR., MRC5313 12 H20624-01-01 HOUSING, OUTBOARD BEARING CAST IRON 12A H7496-253 SEAL, BEARING HOUSING BUNA ... , 3/8-16 X 1" LONG 14 H20616-1 BEARING, OUTBOARD FAFNIR 7311 PW-BR-SU, MR731 14A H6124-4 LOCK ...