This replacement piston bumper ensures nailer operation, featuring model 180450-S in the middle for identification, supporting consistent drive performance, reliable tool function, and operation across compatible brad and finish nailers. Designed for fit and stable performance, this piston bumper incorporates model 180450-S in the middle for verification, maintaining reliable firing, tool cycles, and consistent function across units requiring piston bumper replacement. Engineered for durability, the replacement bumper includes model 180450-S in the middle for reference, ensuring consistent impact absorption, nailer operation, and dependable performance across compatible pneumatic tools. Provides dependable tool operation, featuring model 180450-S in the middle for identification, supporting piston movement, reliable firing, and stable function across brad and finish nailers requiring replacement parts. Fits for component compatible with model 180450-S, supporting piston operation, reliable tool performance, and consistent function across compatible brad and finish nailers requiring replacement piston bumpers.