Mfr. Part #: K557
Ships same day with standard 2-day shipping if ordered M-F before 3PM PT.
The Gast K557 service kit is designed for servicing compatible Gast 71R Series oil-less rocking piston pumps. The kit contains the components needed to service both cylinders and return the unit to original factory performance specifications. Gast recommends servicing these units every two years. The K557 service kit includes cups, valves, O-rings, cylinders and screws for servicing both cylinders. The K557 is used with Gast models including the 71R642-P163D-N570X, 71R647-P112U-N570X, 71R650-P158-N570X, 71R642-P112-N570X, 71R645-P112-D303X, 71R655-P112-D304X, 71R647-P112-D401X, 71R642-P112-D501X, 71R645-P112D-D402CX, 71R645-V114-D303X and 71R655-V114-D304X. TECO Technology is an authorized Gast distributor and repair facility. Our Applications Specialists can assist with identifying the correct Gast service kit, replacement parts or repair options for your pump.
| ITEM | DESCRIPTION | QUANTITY |
| AF817 | Leaf valve | 4 EA |
| AF819A | Retainer valve | 4 EA |
| AK846 | Tube O-ring | 4 EA |
| AT256 | O-ring Cylinder | 2 EA |
| AT258 | Head O-ring | 2 EA |
| AT272 | Cylinder | 2 EA |
| AT283 | Screw 10-24X | 4 EA |
| AT329 | Cup | 1 EA |
ID #: 20802
