NGK 7544 Spark Plug

The NGK 7544 Spark Plug is a replacement engine ignition or starting-aid component that supports controlled combustion by providing the specified spark or pre-heating function. Its catalogue specification records 16 mm spanner size, M10 x 1,0 thread size, 12.7 mm thread length, and Connector Type M4, Iridium Middle Electrode, and 1 - Earthed Electrode spark plug. Confirm the reference, electrical rating, thread or connector details and engine application before fitting; use the specified installation torque and test procedure.