30378 UNLOADER REPAIR KIT 3DX SERIES CAT PUMPS

30378 Unloader repair kit for CAT 3DX series pumps with built in unloaders.

 Features all components you need for repair and maintenance of your Cat Pumps unloader.

The 30378 NBR Cat Pumps Unloader Repair kit comes with the following replacement parts included.

1) Piston Stem, 46251 

1) Piston Stem Back-Up-Ring, 28338 

1)  Piston Stem O-Ring - 70D, 22056 

1) Valve Retainer, 46249 

1) Valve Retainer O-Ring (Outer) - 70D, 22056 

1) Piston Retainer, 46248 

1) Washer, 46250 

1) Piston Retainer O-Ring - 70D, 13969 

1) Valve Retainer O-Ring (Inner) - 80D, 17399 

1) Valve, 547969 

1) Seat, 548075 

1) Seat O-Ring - 70D, 13963