
MTD E3.20 Spark Plug, 13/16 in Fill Gap, 0.551 in Thread, 5/8 in Hex
14mm thread Dia, 3/4 in reach, 5/8 in hex socket. Saves on fuel and reduces emissions. Replaces Champion RC12YC, RC14YC. Replaces NGK BCP4ES-11, BKR4E, BKR4E-11, BKR4EIX, BKR5E, BKR5E-11, BKR5EIX, BKR5EK, BKR5ES, BKR5ES-11, BKR5EYA, BKR5EYA-11, BKR6EKB-11, FR4, FR45, FR5. Replaces Autolite 3924, 3926, 5224, AP3924, APP3924, AP5224, APP5224, XP3924, XP5224, XST3924, ZST3926. Quicker starts, saves on fuel and reduces emissions Quicker starts, saves on fuel and reduces emissions Replaces champion RC12YC, RC14YC Replaces NGK BCP4ES-11, BKR4E, BKR4E-11, BKR4EIX, BKR5E, BKR5E-11, BKR5EIX, BKR5EK, BKR5ES, BKR5ES-11, BKR5EYA, BKR5EYA-11, BKR6EKB-11, FR4, FR45, FR5 Replaces Autolite 3924, 3926, 5224, AP3924, APP3924, AP5224, APP5224, XP3924, XP5224, XST3924, ZST3926