Superior Parts SP 878-303G Aftermarket Piston Bumper for Hitachi Nailer NR83A, NR83A2 (Green) (2-Pack)

The Superior Parts SP 878-303G Aftermarket Piston Bumper (2-Pack) is a precision-engineered replacement component designed for Hitachi NR83A and NR83A2 framing nailers. Made of high-density polyurethane (plastic) material in the standard green color, this framer bumper provides excellent shock absorption and protection from repeated piston impact during operation. Polyurethane plastic is known for its outstanding durability, flexibility, and resistance to wear, making it ideal for demanding framing environments. It helps prevent internal damage, extends tool life, and restores smooth, consistent driving performance. Designed for professional contractors and DIY users alike, the SP 878-303G ensures reliable performance and cost-efficient maintenance for your framing nailer.