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JK/TJ Wrangler NV241OR Transfer Case

The NV241OR (Rock Trac) transfer case came out in 2003 with its all-new 4:1 low-range ratio from the factory. It is used in the 2003 to 2016 Wrangler Rubicon’s only. To identify if it’s a NV241OR (Rock Trac) the round ID tag on the back half of the case will have an OR (off road) after the NV241 number. If no tag is present look at the input side of the housing it will have additional overlap around the input assembly. This was required to house the larger planetary gears, and the rear case half has generous ribs to handle the increased torque afforded by the lower gearing.

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