| Also known as | E7590 |
| Diagram | Fig. 3 — OIL PUMP AND RELEASE VALVE · ref 14 |
| Subsystem | engine bottom |
| Listed in parts books | 1969–1970, 1973–1974, 1976–1978 |
Body
The body housing for the oil pressure release valve, used in the oil pump and crankcase assembly.
Part 70-7590 is the body for the oil pressure release valve, showing up across the oil pump and crankcase figures in the catalog. It's the housing that the release valve components fit into, part of the system that keeps oil pressure in check as it moves through the engine's lower end. The older alias for this part is E7590, if you're cross-checking against an earlier parts book.
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This one turns up in a good number of catalog listings over the years, which tells you it's a part that gets called for pretty regularly when someone's into the oil pump or release valve assembly. If you're rebuilding that area, it's worth having this body on hand along with the rest of the release valve internals rather than trying to reuse a worn one.
The catalog record doesn't tie this to a specific model or year, so confirm fitment against what's actually on your engine before you order.
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