This is the Tamco/Toku throttle valve bushing part number 430430D50, Crowder SKU TK-430430D50. 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.
You will find it on the diagram for the TH 800 Rock Drill. Worth matching the reference number on the diagram against your own machine before you order the same part number can sit in more than one position.
If you need the parts around it, the parts breakdown index has the full breakdown library, and the Tamco/Toku lineup covers the machines themselves. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 430430D50
- Manufacturer: Tamco/Toku
- Crowder SKU: TK-430430D50
- Listed on breakdowns for: TH 800 Rock Drill
