Description
Barnes Replacement Part — Washer
The Barnes 2-21004-4 is a replacement washer, 630". A flat hardware component used to distribute load and prevent leakage in pump assemblies.
Used in sewage and wastewater pump systems.
Part Specifications
| Part Number | 2-21004-4 |
| Part Type | Washer |
| Dimensions | 630" |
| Brand | Barnes |
⚠ 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.

