I have kits for these nailers below.

Senco LB3500 + SN4/SN70 O-rings + BB0059
Senco LB3500 + SN4/SN70 O-rings + BB0059
Senco Seal LB3500 + O-ring Kit IN STOCK
For Nailer SN4 SNIV SN70
Ships Free US
Senco LB3500
Senco LB3500
IN STOCK Ships same Day or the Next
Senco Seal LB3500 installs on valve BA0103
For Nailer SNIII SN3 SN4 SNIV SN70
Ships Free US
Available Qty: 16
Aftermarket for Senco SN4 SN70 Bumper BB0018
Aftermarket for Senco SN4 SN70 Bumper BB0018
Bumper / Piston Stop p/n BB0018
For Senco SN4 SN70 SN3 AST4 Framing Nailers
Price includes Shipping in the US
Ships USPS Package Rate with online tracking.
O-ring rebuild kit for Senco SNIV
O-ring rebuild kit for Senco SNIV
Complete O-ring rebuild kit for the Senco SN4
Includes schematic & O-ring reference sheet.
Free shipping in the US
Available Qty: 15