Step into our short showcase to explore the excavator wiper motor assembly for KX155–KX185 and R130-5–R220-5. Watch a close-up walkthrough of the sealed housing, copper coil core, and plug-and-play connector, plus a bench test showing smooth, quiet wiper swing. See how this 21E7-30310 / 21M8-50071 replacement installs directly, with no drilling or modification.