| Diagram | Fig. 1 — CRANKSHAFT, PISTON AND TIMING GEARS · ref 37 |
| Subsystem | engine bottom |
| Listed in parts books | 1963–1964 |
Rotor, RM18
Rotor for a Lucas RM18 alternator, mounted on the crankshaft to spin inside the stator.
This is the rotor for a Lucas RM18 alternator, listed in the catalog under the crankshaft, piston, and timing gears figure. The rotor is the magnetized piece that spins with the engine and induces current in the stator windings — it mounts on the crankshaft, so it lives right at the front of the motor where the alternator sits.
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Our catalog record for this one is thin, showing it in a couple of listings from the early 1960s. If you're chasing a rotor for an RM18 alternator setup, this is the part number to have in hand, but call the shop and we'll confirm it matches your particular crank and stator before you order.
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