Kohler Engine Spark Plug Application Chart

When selecting a spark plug for your Kohler small engine from another manufacture (NGK, Bosch, Autolite, AC) then listed here, it is best to use their reference catalog to see what spark plug they recommend for your Kohler engine. And if their catalog is not showing the engine you have use their cross reference chart from one of the plugs listed below.

Some plug listed are resistor type plugs and are usually identified by the (R) in the plug part number. Resistor type plugs suppresses the RFI (radio frequency interference) in your engine, without resistor plugs you can experience static on your radio as well as interfere with other sensitive electronic equipment. Some engines must use resistor plugs for a proper talkback to the electronic ignition.

MODEL	HP	DENSO PLUG	CHAMPION PLUG# KOHLER#	PLUG GAP
CS4	4 hp	W14EXR-U	RN14YC 6613201	.030
CS6	6 hp	W14EXR-U	RN14YC 6613201	.030
CS8.5	8.5 hp	W14EXR-U	RN14YC 6613201	.030
CS10	10 hp	W14EXR-U	RN14YC 6613201	.030
CS12	12 hp	W14EXR-U	RN14YC 6613201	.030
CH270	7 hp	Q16PR-U11	RC12YC (XC12YC) 1213202 (2513214)	.030
CH5	5 hp	Q16PR-U11	RC12YC 1213202	.040
CH6 / XKE	6 hp	Q16PR-U11	RC12YC 1213202	.040
CH395	9.5 hp	Q16PR-U11	RC12YC 1213202	.030
CH11 / CH410 / CV11	11 hp	Q16PR-U11	RC12YC 1213202	.030
CH12.5 / CV12.5	12.5 hp	Q16PR-U11	RC12YC 1213202	.030
CH13 / CH430 / CV13 / CV430	13 hp	Q16PR-U11	RC12YC 1213202	.030
CH440	14 hp	Q16PR-U11	RC12YC (XC12YC) 1213202 (2513214)	.030
CH14 / CV14	14 hp	Q16PR-U11	RC12YC 1213202	.030
CH15 / CH450 / CV15 / CV450	15 hp	Q16PR-U11	RC12YC 1213202	.030
CH16 / CH460 / CV16 / CV460 / CV461	16 hp	Q16PR-U11	RC12YC 1213202	.030
CV17 / CV490 / CV491	17 hp	Q16PR-U11	RC12YC 1213202	.030
CV492 / CV493	18 hp	Q16PR-U11	RC12YC 1213202	.030
CH18 / CH620 / CV18 / CV624	18 hp	Q16PR-U or K16PR-U Q16PR-ZU	RC12YC 1213202 3071 (RC12PYC) 2513212 Pro Series	.030
CH20 / CH640 / CV20 / CV640	20 hp	Q16PR-U or K16PR-U Q16PR-ZU	RC12YC 1213202 3071 (RC12PYC) 2513212 Pro Series	.030
CH22 / CH670 / CV22 / CV670	22 hp	K16PR-U	RC12YC 1213202 3071 (RC12PYC) 2513212 Pro Series	.030
CH23 / CH680 / CV23 / CV675 / CV680	23 hp	K16PR-U	RC12YC 1213202 3071 (RC12PYC) 2513212 Pro Series	.030
CH25 / CH730 / CV25 / CV724 / CV725 / CV730	25 hp	K16PR-U	RC12YC 1213202	.030
CH26 / CH735 / CV26	26 hp	K16PR-U	RC12YC 1213202	.030
CH740 / CV740	27 hp	Q16PR-ZU	3071 (RC12PYC) 2513212 Pro Series	.030
CH745 / CV745	28 hp	Q16PR-ZU	3071 (RC12PYC) 2513212 Pro Series	.030
CH750 / CV750	30 hp	Q16PR-ZU	3071 (RC12PYC) 2513212	.030
CH940 / CV940	34 hp		XC10YC 6213204	.030
CH960 / CV960	36 hp		XC10YC 6213204	.030
CH980 / CV980	38 hp		XC10YC 6213204	.030
CH1000 / CV1000	40 hp		XC10YC 6213204	.030
K90 K91	4 hp	W14LM-U	RJ8C 4113206	.025
K121	5 hp	W14-U		.025
K141	6.25 hp	W14LM-U	RJ8C 4113206	.025
K161 L161	7 hp	W14LM-U	RJ8C 4113206	.025
K181 L181	8 hp	W14LM-U	RJ8C 4113206	.025
K241 Magneto K241 Battery Ignition K241 Breakerless	10 hp	W14L	RH10C 2513210	.025 .035 .035
K301 Magneto K301 Battery Ignition K301 Breakerless	12 hp	W14L	RH10C 2513210	.025 .035 .035
K321 Magneto K321 Battery Ignition K321 Breakerless	14 hp	W14L	RH10C 2513210	.025 .035 .035
K330 K331	12.5 hp	W14LM-U	RJ8C 4113206	.030
K341 Magneto K341 Battery Ignition K341 Breakerless	16 hp	W14L	RH10C 2513210	.025 .035 .035
K361	18 hp	W14L	RH10C 2513210	.035
K482	18 hp	W14L	RH10C 2513210	.025
K532	20 hp	W14L	RH10C 2513210	.025
K582	23 hp	W14L	RH10C 2513210	.025
K660 K662	24 hp	W14LM-U	RJ8C 4113206	.025
KT17	17 hp	T14PR-U	RV17YC 5213202	.025
KT19	19 hp	T14PR-U	RV17YC 5213202	.025
KT21	21 hp	T14PR-U	RV17YC 5213202	.025
KT610 / KT620	19 hp to 21 hp	T14PR-U	RFI (XC12YC) 2513214 Pro 3071 (RC12PYC) 1213212 (2513214)	.030
KT715 / KT725 / KT730 / KT735 / KT740 / KT745	20 hp to 26 hp	T14PR-U	RFI (XC12YC) 2513214 Pro 3071 (RC12PYC) 1213212 (2513214)	.030
LH640	24 hp	W14EXR-U	RC14YC 6613201	.030
LH685	23 hp	W14EXR-U	RC14YC 6613201	.030
LH690	26 hp	W14EXR-U	RC14YC 6613201	.030
LH755	28 hp	W14EXR-U	RC14YC 6613201	.030
LH775 EFI	31 hp	W14EXR-U	RC14YC 6613201	.030
LV560	17 hp	W14EXR-U	RC14YC 6613201	.030
LV625	20 hp	W14EXR-U	RC14YC 6613201	.030
LV675	23 hp	W14EXR-U	RC14YC 6613201	.030
LV680	24 hp	W14EXR-U	RC14YC 6613201	.030
M8	8 hp	W20SR-U	RCJ8 4113202	.025
M10	10 hp	W16LS	RH10C 2513210	.025
M12	12 hp	W16LS	RH10C 2513210	.025
M14	14 hp	W16LS	RH10C 2513210	.025
M16	16 hp	W16LS	RH10C 2513210	.025
MV16	16 hp	T16PR-U	RV17YC 5213202	.025
M18 MV18	18 hp	T16PR-U	RV17YC 5213202	.025
M20 MV20	20 hp	T16PR-U	RV17YC 5213202	.025
SH265	6.5 hp
SV470	15 hp	K16PR-U	QC12YC 2013202	.030
SV480	16 hp	K16PR-U	RC12YC 1213202	.030
SV530	17 hp	K16PR-U	RC12YC 1213202	.030
SV540	18 hp	K16PR-U	RC12YC 1213202	.030
SV590	19 hp	K16PR-U	RC12YC 1213202	.030
SV600	20 hp	K16PR-U	RC12YC 1213202	.030
SV610	21 hp	K16PR-U	RC12YC 1213202	.030
SV620	22 hp	K16PR-U	RC12YC 1213202	.030
SV710	20 hp	K16PR-U	RC12YC 1213202	.030
SV715	22 hp	K16PR-U	RC12YC 1213202	.030
SV720	23 hp	K16PR-U	RC12YC 1213202	.030
SV725	24 hp	K16PR-U	RC12YC 1213202	.030
SV730	25 hp	K16PR-U	RC12YC 1213202	.030
SV735	26 hp	K16PR-U	RC12YC 1213202	.030
SV740	27 hp	K16PR-U	RC12YC 1213202	.030
SV810	20 hp	K16PR-U	RC12YC 1213202	.030
SV820	23 hp	K16PR-U	RC12YC 1213202	.030
SV830	25 hp	K16PR-U	RC12YC 1213202	.030
SV840	27 hp	K16PR-U	RC12YC 1213202	.030
TH16	16 hp	K16PR-U	RC12YC 1213202	.030
XT6 (XT149)
XT6.5 (650)
XT6.75 (XT675)				.030
XT-7 (XT173)
XT7.75 (XT775)
XT8 (XT800)
XTX650			1413211S Socket Size 11/16" 12MM RFI	.030
XTX675			1413211S Socket Size 11/16" 12MM RFI	.030
XTX775			1413211S Socket Size 11/16" 12MM RFI	.030
XTX775-3094			1413214S 12MM RFI	.030
ZT710 / ZT720 / ZT730 / ZT740	19 hp to 25 hp	T14PR-U	RFI (XC12YC) 2513214 Pro 3071 (RC12PYC) 1213212 (2513214)	.030

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