Glowworm 0020195525 ignition and sensing Electrode -Genuine Spare– GC Numbers by Series. Ultimate 3 35C: GC No. 47-019-57. Ultimate 3 30C: GC No. 47-019-55. Ultimate 3 25S: GC No. 41-019-51. Ultimate 3 25R: GC No. 41-019-52.
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