| Also known as | 68-353 |
| Diagram | Fig. 6 — OIL PUMP, GEARBOX SPROCKET · ref 27 |
| Subsystem | gearbox |
| Listed in parts books | 1969–1972 |
SPRING OIL CHECK PUMP
Check spring for the oil pump non-return valve, working with a ball to control oil flow direction.
This is the check spring from the oil pump assembly, part number 68-0353 (also seen as 68-353 in older listings). Catalog figures place it with the oil pump, gearbox sprocket, and pressure release valve, where it works against a ball to form a non-return valve in the oiling circuit.
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A check spring like this keeps oil moving in one direction through the pump, holding the ball seated until pressure builds enough to push oil past it. It is a small, easy to overlook part, but if it is worn out, broken, or missing, the pump can lose its ability to hold pressure properly.
Our catalog record shows this part appearing across entries from 1969 to 1972. Confirm it against your own parts book or give us a call before ordering, since oil pump internals can vary across the model lineup.
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