T38M-SD, T40H, 1540M, 1540H, 1543H-SD, 1636H, 1636M, 1640H with GGP Engines TRE0701 7500 432cc, TRE0801 7750 452cc, WM13.5, WM14.5, WM16 HP. Fits Models: Mountfield 1 x NGK BCPR5ES Spark Plug. Ideal for general maintenance of your engine keeping the engine performing to its optimum level.
