New Process NP-231 Transfer Case Pump Assembly

Like mentioned before in a previous post when rebuilding your transfer case remember to inspect your pump very closely for damage and pin holes. This is specifically true if you lost fluid and can not tell from where. The cost of a pump assembly is relatively low compared to having to rebuild the unit again.

Below are pictures of the front and rear of the NP231 pump assembly. The NP231 only has one pump option unlike a few other transfer cases that might have two or three different designs.

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