This is Chicago Pneumatic part number 9245996541 throttle valve plug new style, stocked at Crowder Supply as CP-9245996541. It governs how air reaches the working end of the tool. Wear on the sealing land is the usual cause of a throttle that leaks with the trigger released.

Give us the model and serial off your machine and we will confirm the fit; the full diagram library and the Chicago Pneumatic tool range are the other two places to start. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.

• Part number: 9245996541
• Manufacturer: Chicago Pneumatic
• Crowder SKU: CP-9245996541