One New Aftermarket Qty 12: Spark PlugTech Info:-Plug Type: Resistor-Thread Size: 14mm-Hex Size: 13/16"Made to Fit Kawasaki:Mule Models: KAF300D Mule 520, Mule 610 XC, KAF300C Mule 550, KAF300C Mule 550, KAF300A Mule 500, Mule 600, Mule 610, Mule SX, KAF540 Mule 2030, Mule 610 SEModel Breaks: KAF300D Mule 520 (2000 - 2001),Mule 610 XC (2010 - 2016),KAF300C Mule 550 (1997 - 2001),KAF300C Mule 550 (2003 - 2004),KAF300A Mule 500 (1991 - 1991),KAF300A Mule 500 (1993 - 1993),KAF300A Mule 500 (1995 - 1995),Mule 600 (2005 - 2016),Mule 610 (2005 - 2016),Mule SX (2017 - 2019),KAF540 Mule 2030 (1991 - 1991),Mule 610 SE (2016 - 2016)Replaces Part Number(s): BPR4ES, 6578, NGK6578, 7222, 92070-2112, 92070-7004, 920702112, 920707004, 405Engines Models: FD851D, FH601D, FH601VModel Breaks: FD851D (FD851D-MS04 4-Stroke), FD851D (FD851D-NS00 4-Stroke), FD851D (FD851D-NS01 4-Stroke), FD851D (FD851D-PS00 4-Stroke), FD851D (FD851D-PS01 4-Stroke), FD851D (FD851D-PS04 4-Stroke), FD851D (FD851D-AS00 4-Stroke), FD851D (FD851D-BS00 4-Stroke), FD851D (FD851D-MS01 4-Stroke), FH601D (FH601D-AS01 4-Stroke), FH601D (FH601D-AS06 4-Stroke), FH601D (FH601D-DS01 4-Stroke), FH601D (FH601D-ES01 4-Stroke), FH601D (FH601D-FS01 4-Stroke), FH601V (FH601V-AS10 4-Stroke), FH601V (FH601V-AS11 4-Stroke), FH601V (FH601V-AS12 4-Stroke), FH601V (FH601V-AS13 4-Stroke), FH601V (FH601V-AS14 4-Stroke), FH601V (FH601V-AS17 4-Stroke), FH601V (FH601V-AS18 4-Stroke), FH601V (FH601V-AS19 4-Stroke), FH601V (FH601V-AS20 4-Stroke), FH601V (FH601V-AS21 4-Stroke), FH601V (FH601V-AS22 4-Stroke), FH601V (FH601V-AS23 4-Stroke), FH601V (FH601V-AS24 4-Stroke), FH601V (FH601V-AS25 4-Stroke), FH601V (FH601V-AS26 4-Stroke), FH601V (FH601V-AS27 4-Stroke), FH601V (FH601V-AS29 4-Stroke), FH601V (FH601V-AS30 4-Stroke), FH601V (FH601V-AS33 4-Stroke), FH601V (FH601V-BS01 4-Stroke), FH601V (FH601V-BS05 4-Stroke), FH601V (FH601V-BS06 4-Stroke), FH601V (FH601V-BS08 4-Stroke), FH601V (FH601V-BS09 4-Stroke), FH601V (FH601V-BS10 4-Stroke), FH601V