| Diagram | Fig. 4 — Engine: Contact Breaker, Timing Cover, Oil Pump, Oil Pressure Relief Valve · ref 23 |
| Subsystem | engine bottom |
| Listed in parts books | 1975 |
Norton Worm Gear, Oil Pump
Worm gear for the oil pump drive in the timing chest, part number 06-7890.
This is a worm gear for the oil pump drive, part number 06-7890. It shows up in the engine timing-side figure grouping alongside the contact breaker, timing cover, oil pump, and oil pressure relief valve, which tells you it lives down at the timing chest where the oil pump gets its drive.
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The worm gear is what turns the oil pump in time with the engine, so it's a small but necessary link in keeping oil moving through the motor. Our catalog record only shows this one appearance, tied to the 1975 model year, so we can't speak to a broader fitment span beyond that.
If you're chasing this part for a rebuild, give us a call and we'll confirm it matches what's in front of you before you order.
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