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Thrust ball
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Also known asE8019
DiagramFig. 3 — GEAR CLUSTER AND TIMING COVERS · ref 30
Subsystemengine bottom
Listed in parts books1968, 1970–1971

Thrust ball

A thrust ball from the gear cluster assembly, also listed as E8019 in older parts books.

PN · 70-8019

70-8019 is the thrust ball listed in the gear cluster figures for the engine bottom end. It's a small hardware item that sits in the gearbox/cluster area to take up end play on the shafts, working alongside the other gear cluster components shown in the same figures.

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This part shows up under the alias E8019 in older parts books, so if you're cross-checking against an early catalog and see that number, it's the same physical piece as 70-8019.

The catalog record here is brief and doesn't spell out size or material for this ball, so if you're ordering to match an existing bore or fit, it's worth confirming against what's actually in your gearbox before you buy.

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