This is American Pneumatic Tool part number 1280583513, previously 03358 seal – teflon, stocked at Crowder Supply as APT3358. Seals like this one are consumables in a digger they are cheap, they age with heat and hours, and replacing the whole set during a teardown saves a second strip-down later.
Crowder’s breakdowns list this part on the 119 Trench Digger and 133-T/1133-T Rivet Buster. The complete machine is the APT 119 Pneumatic Trench Digger. Compare it to the reference callout on the diagram to be sure it is the position you need.
Need the parts around it? They are on the same breakdown, and the full diagram library covers every machine we publish. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 1280583513
- Previous part number: 03358
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT3358
- Listed on breakdowns for: 119 Trench Digger, 133-T/1133-T Rivet Buster
