| Also known as | E3334 |
| Diagram | Fig. 3 — OIL PUMP AND RELEASE VALVE AND MANIFOLD · ref 25 |
| Subsystem | engine bottom |
| Listed in parts books | 1960–1962, 1964–1965 |
Joint washer
A joint washer for the oil pump, release valve, and manifold assembly, later superseded by 70-5660.
70-3334 is a joint washer that seats in the oil pump and release valve assembly, shown in the parts book under the oil pump, release valve, and manifold figure. It is a gasket-type sealing washer meant to keep oil where it belongs between mating faces in that part of the bottom end.
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This number shows up across catalog entries from 1960 through 1965 and also carries the earlier E3334 form, which is the letter-prefix style used in older parts books before Triumph moved to the all-numeric system. If you are working from an older book and see E3334 called out, that is this same washer.
Triumph later superseded this part with 70-5660, so if you are ordering fresh stock or matching up a later engine, that is the current number to look for. Worth confirming which of the two your parts book or engine calls for before you order, since both numbers point to the same washer at different points in its production life.
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