OEMKUBOTA: 12366-6771-6; KUBOTA: 12366-67716

ParamsElectrode spacing: 0.7 mm; Connection Technique: M4 / SAE; Thread Size: M14x1.25; Spanner Size: 21 mm; Spark plug: 1 mass electrode; Thread Length [mm]: 12.7; Technical Information Number: RL86C; Version: with gasket seat; Resistance from [kOhm]: 6 s; Resistance to [kOhm]: 15 s

ParamsJoining technique: SAE; Thread Size: M14x1.25; Gap Width: 21mm; Spark plug: with superficial low-discharge; Thread Length [mm]: 12.7; Technical Information Number: L76V; Version: withgasketseat

ParamsElectrode spacing: 0.8 mm; Connection Technique: SAE; Thread Size: M14x1.25; Spanner Size: 21 mm; Spark plug: 1 mass electrode; Thread Length [mm]: 9.5; Technical Information Number: J4C; Version: with gasket seat

ParamsJoining technique: SAE; Thread Size: M14x1.25; Width of gutter key: 21mm; Spark plug: with superficial low-level discharge; Thread Length [mm]: 12.7; Technical Information Number: UL18V; Version: withgasketseat

OEMOPEL: 12 14 123; KUBOTA: 13401-6771-6; ALLIS-CHALMERS: 79001652; CATERPILLAR: 9B-0444; OPEL: 1214123

ParamsElectrode spacing: 0.8 mm; Connection Technique: M4 / SAE; Thread Size: M14x1.25; Spanner Size: 21 mm; Spark plug: 1 mass electrode; Thread Length [mm]: 9.5; Technical Information Number: J6C; Version: with gasket seat

ParamsDistance between electrodes: 0.9mm; Joining technique: SAE; Thread Size: M14x1.25; Width of grip key: 16mm; Spark plug: 1 electrodes; Thread Length [mm]: 19; Technical Information Number: RFN14LY; Version: withgasketseat; Resistance from [kOhm]: 6s; Resistance to [kOhm]: 15 s

ParamsElectrode spacing: 0.7mm; Joining technique: M4 / SAE; Thread Size: M12x1.25; Gap Width: 18mm; Spark plug: 1 electrodes; Thread Length [mm]: 12.5; Version: withgasketseat

ParamsElectrode spacing: 0.7 mm; Connection Technique: M4 / SAE; Thread Size: M12x1.25; Spanner Size: 16 mm; Spark plug: 1 mass electrode; Thread Length [mm]: 19; Technical Information Number: RA8HC; Version: with gasket seat; Resistance from [kOhm]: 6 s; Resistance to [kOhm]: 15 s

ParamsElectrode spacing: 0.9mm; Joining technique: SAE; Thread Size: M14x1.25; Gap Width: 16mm; Spark plug: 1 electrodes; Thread Length [mm]: 19; Version: withgasketseat; Resistance from [kOhm]: 0.105 s; Resistance to [kOhm]: 0.14 s

ParamsElectrode spacing: 0.9 mm; Connection Technique: SAE; Thread Size: M14x1.25; Spanner Size: 16 mm; Spark plug: 1 mass electrode; Thread Length [mm]: 11.2; Technical Information Number: V63C; Version: with taper seat