The ALM Manufacturing CJ8 Spark Plug is suitable for many petrol brush cutters, chainsaws, garden vacuums, grass trimmers, hedge trimmers and other small engines fitted with a 14mm plug. Compares to:AC Delco: CS42, CS49, C47W, CS45.Autolite: 235, 254, 255, 2995, 2996, XST255.Bosch: WS7E, WS8E, WS9EC, STK 7542, STC 7543.Denso: T20M-U, W14M-US, W14MR-U, W14M-U, W14M-U10, W20M-U, W20M-US, W22M-U, W22M-US, 6015, 6016, 6019, 6022, 6026, 6034, 6036, 6039, 6048.General Motors: 5613234, 5612891, 5613322, 5613166.Mega-Fire: SE-8JC.Mopar: 4419643.Motorcraft: A3NX, A7NX, AR7N, stk 118, stk 94.Newstar: L5C.NGK: BM4A, BMR4A, BM6A, BM7, BM7A, stk 5728, stk 5921, stk 6321, stk 6521.Prestolite: 14-7N, 14-11X, 14-11N, 14-3N.