Our pistons for retainer pins are a direct fit for your Atlas Copco/Epiroc. The OEM part number is AC3315203200
Big Hammer Co is an aftermarket manufacturer for all the brands we sell. Big Hammer Co is not endorsed or sponsored by, or in any way associated with Atlas Copco/Epiroc. This product is an aftermarket part.
Any use of or reference to the Atlas Copco/Epiroc trademark is for the sole purpose of indicating compatibility or product fit, and is not meant to imply any affiliation or relationship between Big Hammer Co and Atlas Copco/Epiroc and/or the Atlas Copco/Epiroc Trademark.