I have the print attached for your review that shows this. For that reason I do claim this kit fits the Snap On PH3050 model. Make sure the finish on the piston is hand polished and smooth when disassembly occurs.

Brand: Snap-on
Non-Domestic Product: No
Type: Air Tool Parts
Warranty: No
Unit Type: Unit
Custom Bundle: Yes
Manufacturer Part Number: PH3050A,PH3050B
Bundle Listing: Yes
Country/Region of Manufacture: United States
Modified Item: No