Mountfield Service Kit For S421PD. S421PD from 2012-2018 With RS100 Engines fitted. 1 x Air Filter- 118550704/0 (Genuine). 1 x Spark plug. 1 x 0.5L Briggs & Stratton Engine oil.
This product would be ideal for car owners of the RS100 engine in their Mountfield S421PD, model years 2012-2018, who need a replacement oil filter and filter plug.
