Description
AMT Replacement Part — Gasket
The AMT 3993-300-90 is a replacement gasket for AMT pump systems. A sealing component that prevents leakage between mating pump surfaces under pressure.
Part Specifications
| Part Number | 3993-300-90 |
| Part Type | Gasket |
| 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.
- Applications
- Includes Ref. Nos. 7, 15, 16, 23, 20 (O-Ring only, No Plug in Kit), and 28.

