service kit 31610 Seal kit Cat Pumps code 31610 In the kit Part numberDescriptionPosition 14160O-Ring, Plunger Retainer97 43313Wick, Long Tab101 106660Seal, Low-Pressure, with S-Spring106 11693O-Ring, Seal Case121 46287V-Packing127 Fits these pumps No pump in the catalogues used here lists this kit.