The Becker 200055177 Shaft GSW is an authentic OEM replacement component designed for various Becker vacuum pump models. This genuine Becker part ensures optimal performance and compatibility with KVT 3.60, KVT 3.80, KVT 3.100, KVT 3.140, KVT 3.190, KVT 3.250, KVT 3.360, KVT 3.400, KDT 3.60, KDT 3.80, KDT 3.100, KDT 3.140, KDT 3.190, KDT 3.250, KDT 3.360, KDT 3.400, DVT 3.60, DVT 3.80, DVT 3.100, DVT 3.140, DVT 3.190, DVT 3.250, DVT 3.360, DVT 3.400, VTLF 2.250, VTLF 2.360, VTLF 2.400, VTLF 2.500 series vacuum pumps.