Browse Meritor-Rockwell RS21145R411 Rear Differentials for sale on MyLittleSalesman.com. Compare prices, photos, and seller details across 5 listings. Meritor-Rockwell RS21145R411 Rear Differential pricing ranges from $350 to $1,185 based on recent marketplace data. Filter by condition, price, or year to find the right Meritor-Rockwell RS21145R411 Rear Differential.