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Need help identifying Datsun diff.

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Or truck, or older Maxima wagon, or......something smaller like a B210

Count the splines on the axles.

Measure the opening on the housing.


PS, looks like it was dredged out of a river somewhere....rusted ring gear, & bearings.

Little value.

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Sure looks like an H-190 differential. That's a 190mm diameter ring gear.




Truck will have 6 bolt studs for the wheels, cars are 4.


Truck 29 spline, cars are 23. Some early Datsuns were 13 spline.


Roadster, 510 wagon and 520/521 trucks were usually aluminum case, maybe early '73 620. Steel after that.



The gear ratio is stamped on the outer edge of the ring gear. Example 37:9 is 37/9 or 4.11

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