Most TCM/CMI 6 Cylinder Models are available on an exchange basis with an acceptable core**. Current exchange units are listed below:
Continental TCM/CMI
| 10-349350-4 | 10-349350-5 | 10-349350-6 | 10-349350-7 | 10-349220-4 |
| 10-349260-6 | 10-349260-7 | 10-349220-5 | 10-500556-1 | 10-500556-101 |
| 10-500556-103 | 10-500556-203 | 10-600606-1 | 10-600656-1 | 10-79020-10 |
| 10-51360-27 | 10-163020-3 | 10-163060-1 | 10-500556-3 | 10-51365-39 |
| 10-51360-26 |
Lycoming
| 10-349290-2 | 10-349310-4 | 10-163010-10 | 10-163050-9 | 10-51360-29 |
| 10-51360-37 | 10-500514-1 | 10-600644-1 | 10-51360-46 | 10-600644-1 |
| 10-51340-46 | 10-51360-32 | 10-51365-33 | 10-349365-10 | 10-349365-9 |
| 10-349305-3 | 10-349300-4 | 10-349370-4 | 10-349310-1 | 10-349305-1 |
** An acceptable Magneto Core is a COMPLETE undamaged as removed unit of like Part Number with an AD compliant rotor. Part Number substitutions and/or superseded units can be considered on an individual basis.