Spark Plug QC12YC.

Genuine Champion Part.

Husqvarna OEM No. 531 02 97-76.

Specifications:

Hex Size - 16 mm.

Fits to Kohler/Briggs & Stratton engines.

Spark Plug Brand Cross References:

Champion QC12YC

NGK BKR5ES

Bosch FR8DC

Brisk DR17YC

Briggs & Stratton 792015 & 992304 & 692720

Kohler 1213202

Torch K5RTC