Throttle Valve is the American Pneumatic Tool service part carried under part number 1280583482, listed as 02351 before the renumbering. It governs how air reaches the working end of the rock drill. Wear on the sealing land is the usual cause of a throttle that leaks with the trigger released.
It shows up in the parts breakdown for the 137 Rock Drill. That machine is the APT 137 Pneumatic Rock Drill if you are pricing a replacement rather than a repair. Check it against the reference number on the diagram first; serial breaks change what fits.
Need the parts around it? They are on the same breakdown, and the parts breakdown index covers every machine we publish. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 1280583482
- Previous part number: 02351
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT2351
- Listed on breakdowns for: 137 Rock Drill
