Amerex A3877
Amerex A3877
In stock!
The Amerex A3877 (factory part number 03877-P) is a replacement nozzle gasket for Amerex's 50 lb. wheeled dry chemical fire extinguishers, models 495 (ABC) and 497 (Purple K). It seats between the nozzle tip and the discharge hose assembly to maintain a pressure-tight seal during discharge, and is replaced whenever the nozzle or hose assembly is serviced or rebuilt.
Key Features
- Genuine Amerex factory replacement gasket, not a generic substitute
- Sized specifically for the 495/497 wheeled unit nozzle assembly
- Restores the discharge seal after nozzle or hose servicing
Technical Specifications
- Amerex Part No.: 03877-P
- Compatible Models: 495 (50 lb. ABC wheeled), 497 (50 lb. Purple K wheeled)
- Location: Nozzle-to-hose interface, discharge assembly

