One of the several 3 Speed GM Transmission: THM-180, 3L30 Parts

The very versatile TH180, also known as the 3L30, was used in may US vehicles as well as other GM owned brands like Opel, and other non-GM brands like Jaguar, Peugeot and others.

Here are pictures of some of the more ordered parts for this automatic three speed.

The valve body kit in the pic below is the Trans-Go Shift Kit. The thrust washer kit and bushing kit are the same for all years and for the lockup (180C) and non-lockup (180). The same is true for the filter and low brake band.

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