| Also known as | E3810 |
| Diagram | Fig. 10 — CHAINCASE AND CHAINS · ref 14 |
| Subsystem | primary |
| Listed in parts books | 1964–1966 |
Distance piece
A stator-stud distance piece (spacer) for the primary chaincase, part 70-3810, also known as E3810.
This is a distance piece, part number 70-3810, listed in the chaincase and chains section of the parts book. In plain terms it's a spacer that sits over a stator stud in the primary chaincase area, taking up space between the stator and its mounting point so everything sits at the correct depth.
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The catalog lists this one against a single year appearance, 1966, so if you're chasing it for a particular bike it's worth checking the part against what's actually on your motor before ordering. It also carries the older E3810 number, which is the same physical piece under the earlier letter-prefix system used before Triumph moved to the numeric part numbering.
It's a small, simple piece of hardware but it does matter for getting the stator seated right in the chaincase, so if yours is worn, cracked, or missing it's worth replacing rather than leaving out.
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