The ALM Manufacturing RCJ7Y Spark Plug is suitable for many Einhell petrol brush cutters, chainsaws, garden vacuums, grass trimmers, hedge trimmers and other small engines including: GH-BC 25 AS (34.019.53), GH-BC 30/1GH-BC 43 AS (34.019.73) and GH-PT 2538 AS (34.018.50).
Note ALM RCJ7Y is printed with ALM 7 on the spark plug.
Autolite: 2974, 2984, XST2974.
Champion: RCJ6Y, RCJ7Y, stk 852.
Denso: W20MP-U, W22MPR-U, stk 6023