This is Tamco/Toku part number 131108009 O-ring, stocked at Crowder Supply as TK-131108009. Its job is to hold the pressure boundary between two mating faces; a hardened or nicked seal shows up as lost power and a damp housing well before anything else fails.
You will find it on the diagram for the TH 800 Rock Drill. Check it against the reference number on the diagram first; serial breaks change what fits.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts diagram hub. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 131108009
- Manufacturer: Tamco/Toku
- Crowder SKU: TK-131108009
- Listed on breakdowns for: TH 800 Rock Drill
