| Also known as | T4291 |
| Diagram | Fig. 10 — GEARBOX INNER COVER AND SELECTORS · ref 8 |
| Subsystem | gearbox |
| Listed in parts books | 1971–1972 |
LOCK TAB FOR LEAF SPRING
Lock tab for the leaf spring inside the gearbox inner cover, also listed as T4291.
The 57-4291 is a lock tab for the leaf spring inside the gearbox inner cover assembly. It shows up in the parts book under the GEARBOX INNER COVER AND SELECTORS heading, working alongside the leaf spring to keep things properly located once the cover is buttoned up. Older parts books list this same piece under the number T4291, so if you're working from an early catalog and see that reference, it's the same part.
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This is a small, simple piece of hardware, not something with a lot of moving parts or complexity to it, but it does its job of keeping the leaf spring from shifting out of place once everything's assembled. Catalog listings for this one run from 1971 into 1972.
If you're rebuilding the inner cover and selector mechanism, it's worth having one of these on hand rather than reusing a tired or bent original.
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