Up for sale is an equivalent CP CA149746 Tune Up Kit WITHOUT BEARINGS. Most kits from CP do not include bearings and purchased at an additional cost. This quality kit fits Chicago Pneumatic model CP772H - 3/4” dr. impact wrench. The new parts are OEM IR or CP from either IR or CP or from an IR or CP manufacturing contractor. These parts with proper ordering are guaranteed to fit and work. A quality kit that works! These kits have all the ‘soft parts’ for the throttle and air motor and a socket retainer and oring for the shank . This kit has phenolic blades to replace the OEM blades. Some signs of needing a rebuild would be the obvious loss of power or that persistent air leak. This kit will put your gun back at the top of your shop! Warranty would only apply to proper install of parts! Usually ships in 24 hours!