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Shop/Category/Fig. 9 — GEARBOX SHAFTS, BEARINGS AND INNER COVER/Inner cover
Inner cover
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Also known asT3754
DiagramFig. 9 — GEARBOX SHAFTS, BEARINGS AND INNER COVER · ref 30
Subsystemgearbox
Listed in parts books1969–1970

Inner cover

Gearbox inner cover for Triumph, part number 57-3754, also listed as T3754, housing the gearbox shafts and bearings.

PN · 57-3754

This is the gearbox inner cover, part number 57-3754, which shows up in the parts book under the older T3754 designation as well. It lives in the gearbox, right where the shafts and bearings are housed, and the catalog places it in the figure covering gearbox shafts, bearings, and inner cover.

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The inner cover sits between the gearbox internals and the outer cover, so it takes on the job of keeping the shafts and bearings properly located and protected from the outside. Our catalog record shows this part appearing across 1969 and 1970 listings.

If you're chasing this by an older number or a different catalog listing, give us a call and we'll square away the cross reference before you order, since gearbox covers can vary by year and setup.

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