| Engines |
Champion Spark Plug Number |
| Briggs & Stratton Engine Spark Plugs | |
| All Models except Vanguard Models | J19LM |
| Vanguard Spark Plug | RC12YC |
| Kohler Spark Plug | |
| K90, K91, K121, K141, K161, K181, K330, K331 | J19LM |
|
K241, K301, K321, K341, K361, K532, K582, K660, K662 M8, M10, M12, M14, M16 |
H10C |
|
CH6, CH5, CH11, CH12.5, CH14, CH18, CH20, CH22, CH25 CV11, CV12.5, CV15, CV18, CV20, CV22 |
RC12YC |
|
MV16, M18, MV18, M20, KT17, KT19, KT20, KT21 |
RV17YC |
| Tecumseh Engine Spark Plugs | |
| TV590, TNT100, TVS100, TVS105, TVXL705, TVS115, TVS120 | J19LM |
|
H35, LHL35, HS40, LAV40, V40, VH40, 5.0/ H50, HS50, VH50, LAV50, TVM125,V50, 6.0/ H60, V60, HH60, VH60, HH60, VH60, TVM140 7.0/ H70, HM70, TVM170, TVSL170, V70, VH70, VM70, HH70 8.0/ H80, HH80, HM80, TVM195, TVXL195, HHM80, V80, LH80, VM80 9.0/ HM90 10.0/ HH100, HM100, VH100, VM10, TVM220, TVSL220 12.0 HH120 |
J19LM |
| OHV11, OVM120, OHV12, OVXL120, OHM120, OHV125, OVXL125, OHV13 | L86C |
| HH130, HH140, OH140, HH150 HH160, OH160 | L82C |