| Also known as | T3766 |
| Diagram | Fig. 7 — GEARBOX INNER COVER AND SELECTORS · ref 13 |
| Subsystem | gearbox |
| Listed in parts books | 1970 |
INNER COVER
Gearbox inner cover from the selector mechanism assembly, also listed as T3766.
The 57-3766 is the gearbox inner cover, the plate that sits behind the outer gearbox door and carries the selector mechanism. It shows up in the parts book under the GEARBOX INNER COVER AND SELECTORS heading, which tells you this is the piece the selector forks and plunger ride against inside the box, not just a cosmetic panel.
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Older parts books list this same piece under the T3766 number, so if you're working from an early manual and cross-referencing to a current listing, that's the same physical part. Our records show it tied to the 1970 model year, so check it against what your gearbox actually has in it before you order.
Given the limited catalog coverage on this one, it's worth calling ahead to confirm you're matching the right cover to your box before it ships.
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