When your tire inflator thumb trigger starts to feel stiff and sticky or leaks it’s probably time for a rebuild. This is a very simple task which involves removing the piston, replacing the o-rings on the piston, wiping off old grease and grime, re-lubing the piston with included silicone grease and re-installing the piston. Don’t forget to put a dab of grease underneath the trigger where the piston rubs.
All new piston o-rings
This item ships to the lower 48 for free when bought alone.