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There are two versions of the Saturn TAAT. The early version was used only in model years '91-early '92. There is a large valve on the bottom of the valve body instead of the four holes that are found on the more common '92-later valve body.
The photos below illustrate the bottom of a Saturn TAAT valve body.
|'91-Early '92 ||Late '92-Later |
|Part No. SAT001 ||Part No. SAT005|
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