| Diagram | Fig. 11 — GEARBOX INNER COVER AND SELECTORS · ref 13 |
| Subsystem | gearbox |
| Listed in parts books | 1976–1978 |
| Also fits (as replacement) | 1973–1974 · for 57-4363 |
Operating quadrant
The operating quadrant from the gearbox inner cover and selector assembly, part of the gear-change linkage.
This is the operating quadrant out of the gearbox inner cover and selector assembly. It's the part that translates the movement of the gear change mechanism into the rocking motion that walks the selector components through their positions, so it lives right in the middle of the shifting linkage.
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Our catalog shows this one carrying part number 57-7019 across appearances from 1976 to 1978, and it has a history under other numbers too - it replaced an earlier 57-4363, and was later itself superseded by 57-7052. If you're chasing a quadrant off an older parts list and running into 57-4363, or a newer list showing 57-7052, know that all three numbers point back to the same piece of hardware in this lineage.
We don't have much more written down on this one beyond the figure it appears in, so if you're not sure which version your gearbox needs, give us a call before you order and we'll help sort out fitment.
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