Michael B Spring Grove , IL December 09, 2020 Appliance: LG Washer WT4801CW Lg Washer Wt4801cw: The pulsator assembly failed due to the splines in the pulsator assembly being sheared off. How to replace Washer Pulsator Assembly. I went online, llooked up the washing machine I have, looked at the parts list at Appliance Parts Pros, made the determination what I required and order the parts. 3 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes