Description
AMT Replacement Part — Gasket
The AMT GCW3-300-90 is a replacement gasket (Aluminum) for AMT pump systems. A sealing component that prevents leakage between mating pump surfaces under pressure.
Part Specifications
| Part Number | GCW3-300-90 |
| Part Type | Gasket |
| Material | Aluminum |
| Brand | AMT |
⚠ Confirm Compatibility Before OrderingAlways verify this part is correct for your specific pump model. Contact PumpStop with your pump model number and we'll confirm.

