Manufacturer: Torchbeam. Model Number: 10 FD503+10 Spark plugs. Included Components: 10x Ignition Coil – FD503, 10x Spark Plug – SP479. Part Interchange Info: FD503. OEM Equivalent Part Number: FD503, GN10164, 3W7Z 12029-AA, 1L2U-12029-AA, F7TU-12A366-AB, 1L2Z 12029-AA, FD503T, DG-508, F7TZ 12029-CA, F7TZ-12029-AB, F7TZ-12029-CC, F7TZ-12029-BA, DG-491, 88921369, F7TU-12A366-BA, DG473, DG472, E262, 3W7E-12A366-AA, 1L5Z-12029-AA, F7TU-12029-BA, IC369, 673-6000, F7TZ-12A366-AB, 8W7Z-12029-A, 3W7Z-12029-AAE, 48688, 2505-34733, E262P, U5182, 36-8013, B029HE, B029, IC369SB, 921-2005, C500M8, 49170, U5182-8, C-500, V25-70-0028.