O-Ring Kit, Chicago Pneumatic part number 3081690611, listed at Crowder Supply as CP-3081690611. Kits like this group the parts that get replaced together, which saves ordering them one at a time and cuts a second teardown out of the job.

If you are working from a machine rather than a part number, start at the parts breakdown index, or send us the model and serial and we will match it. Machines themselves are on the CP tool catalog. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.

• Part number: 3081690611
• Manufacturer: Chicago Pneumatic
• Crowder SKU: CP-3081690611