I believe so, like I said, the ratios will be different so you will feel either more low end or more top end depending on the 'before' and 'after' ratios, mechanically they will bolt in. Mileage will change as well.
Otherwise not an issue.

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1982 300SD (214 k, excellent shape) kidmobile running mostly biodiesel, gets 31 mpg hwy with 2.82 rear from a euro 500SEL



1976 115 body 240D 4-speed (traded for Jeep parts) - Engine lives on in my CJ7