Ella Toone, Christen Press and Jess Sigsworth were all on the scoresheet in the first half, with Toone netting again in the early moments of the second period before Alanna Kennedy’s late consolation for the visitors.
The victory takes the Reds into third and the final Champions League spot ahead of Arsenal’s game against Brighton & Hove Albion later in the day.
Casey Stoney made just the one change to her side that started last weekend’s 6-0 win at Burnley in the Vitality Women’s FA Cup, with USA international Press returning to lead the line in place of Jane Ross.