Thread Size: M12*1.25
Hex Size: 16mm
Center Electrode Material: Iridium
Ground Electrode Material: Plainum
0242135529 1708 P11 3444 S48 SC20HR11 062120104312 90919-01253
Q1: How long will a spark plug last?
A Even when a spark plug is correctly used, periodic replacement is required as it is a consumable item.Examples of problems caused by excessively long periods of use: Worn-out electrodes will have difficulty in sparking.
Deposits accumulated on the firing end may induce abnormal combustion, causing problems that include melting of the electrodes or damaging engine.