Never replaced the seals in a SN-325? video below explains the break down and reassembly.
Senco LB3499 + BC0178 + SN325 O-ring Kit
Senco Seal LB3499 + BC0178 + O-ring kit
For Nailer SN-325
Ships Free US
Senco LB3499
Senco Washer Firing ValvePart#: LB3499
For Senco Nailer SN325, SN325 Plus, SN2+ SN2 PLUS
Ships Free
Available Qty: 20
