4L60E, 4L65E, 4L70E 2006- up GM transmission

Identifying a 4L65E from other similar transmissions, such as the 4L60/700R4 and the 4L60E, takes a little practice and know-how. Despite a thicker input shaft and a different sun shell, identifying the 4L65E without opening it up requires knowledge of the alternate designations for the transmissions (M30 for the 4L60E, M32 for the 4L65E), and a few key cosmetic differences.

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