| Also known as | 41-803 |
| Diagram | Fig. 5 — OIL PUMP, GEARBOX SPROCKET · ref 17 |
| Subsystem | gearbox |
| Listed in parts books | 1969 |
BSA Oil pump body
Oil pump body for the engine's lubrication system, part number 41-0803.
This is the oil pump body for the engine, the housing that the pump's internal gears and plunger work within to circulate oil through the motor. It shows up in the catalog under both an OIL PUMP figure and a CRANKCASE figure, which tells you it's a crankcase-mounted component tied into the engine's lubrication feed and gearbox sprocket area rather than a separate bolt-on unit.
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The part is also listed as 41-803, which is just the same number without the dash-zero, not a different part. Our records only tie this one to a single catalog year, so if you're sourcing this for a rebuild, have your engine in front of you or your parts book open to confirm you're matching the right pump body before you order.
If the pump is worn or scored inside, oil pressure suffers and that shows up everywhere downstream, so it's worth inspecting the body closely for wear at the same time you're replacing gears or plungers.
We've never carried this one. Tell us what you're after and we'll go looking — you'll get a price and photos before you commit to anything.
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