Our seal kits are a direct fit for your Atlas Copco/Epiroc HB4100. The OEM part number is 3363121222.
Our Seal kits are made to exacting specifications to Match OEM standards. A high quality seal kit is a must for any rebuilt hydraulic hammer. Your seal kit should resist high and low temperatures and also perform at its best performance in all cases. An inferior seal kit can wear out prematurely. Depending on the make and model of your hammer, your set kit may come with various size O-rings, packings, and caps.
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.