This is Chicago Pneumatic part number 470W253341 oil bag, stocked at Crowder Supply as CP-470W253341. Lubrication components keep oil in the air stream, which is what keeps a pneumatic tool alive. A tool run dry wears out in a fraction of its normal life.

Matching it to a machine? Send us the model and serial and we will confirm the fit, or work back from the parts diagram hub. Complete tools are on the CP tool catalog. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.

• Part number: 470W253341
• Manufacturer: Chicago Pneumatic
• Crowder SKU: CP-470W253341