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DeWalt N178363 Genuine Service Kit Ram (SERVICE) For DCH143 DCH243 DCH253 DCH254
The Dewalt N178363 Service Kit Ram is used specifically for Rotary Hammer Drills. This Ram & O Ring combination is often taken out for routine maintenance where it is cleaned and re-greased but eventually you will need to replace it. This will have your Rotary Hammer Drill back in action after a quick bit of servicing and maintenance.
For compatible models please see below :