0004-1975-750 Shaft Seal Ring for WESTFALIA separator type OSC 4-02-066 0004-1975-750 Shaft Seal Ring for WESTFALIA separator type OSC 4-02-066 See more Plungers & Barrels for Sulzer engine S20 Compressor BOCK FX4 ELECTRIC MOTOR WITH GEAR BOX 440V 60HZ