Product Overview
The Superior Parts SP 149826 Aftermarket Piston Driver with O-Ring is an aftermarket replacement internal drive assembly designed to restore smooth piston cycling, consistent firing power, and dependable fastening performance for compatible Bostitch RN46 and RN46-1 coil roofing nailers. Engineered as a replacement for worn or damaged piston driver components, this assembly features a heat-treated steel driver blade combined with an aerospace-grade aluminum piston for reliable nail driving force, reduced wear, and long-lasting pneumatic performance. The included O-ring helps maintain proper air sealing efficiency, supporting consistent pressure retention, smoother operation, and reduced air leakage during repeated high-impact fastening applications. Built with UNI-LOK mechanically locked technology, the piston and driver interface is engineered to resist loosening under demanding roofing and construction workloads. Designed specifically for Bostitch RN46 and RN46-1 roofing nailers, this aftermarket piston driver assembly is ideal for roofing installation, siding work, sheathing, and general pneumatic fastening repairs requiring dependable firing consistency and extended tool service life.
- Genuine Superior Parts OEM tool part
- Please Reference Tool Diagram to Ensure Part Compatibility Before Ordering
- Origin of Manufacture and Packaging May Vary
|
Brand:
|
Superior Parts
|
|
Type:
|
Aftermarket Piston Driver with O-Ring
|
|
Color:
|
Silver
|
|
Compatible Tools:
|
RN46, RN46-1 (sold separately)
|
|
Quantity:
|
(1) Piston Driver with O-Ring
|
|
Material:
|
Steel
|
|
Made in the USA:
|
No
|
|
Model Number:
|
SP 149826​
|
