Find repair parts for your Bostitch - CAP5580WB at MasterToolRepair.com.
Part Number: B3800
New pump includes a flywheel, sight glass, breather and air filter (no aftercooler). NOTE! This pump has a LEFT-side discharge (per the photo). If your discharge tube connects to the right side of the pump head you can simply remove the head bolts and lift the valve plate assy and head as one piece and flip it 180° so that the discharge is on the right side…