Superior Parts DB150-04 Repair Kit #04 Compatible with Bostitch MCN150 Nailer

The Superior Parts DB150-04 Repair Kit #04 is a complete aftermarket service kit comaptible with Bostitch MCN150 Metal Connector Nailer. This kit provides all the essential replacement components needed to restore performance and extend tool life, including multiple O-rings, a piston driver with Japanese Carbide blade, a polyurethane bumper, a piston head valve, a pusher spring assembly, a fixed cap plug set, and a premium-grade frame/deflect gasket. Built with precision machining and high-quality materials, each part is engineered for durability, reliability, and consistent operation. The piston driver utilizes UNI-LOK crimping technology to secure the shaft grooves, preventing loosening even under torque levels up to 80 N-M (59 ft-lbs). Designed to meet or exceed OEM standards, this kit ensures contractors have a dependable and cost-effective solution for keeping their nailers running at peak performance.