Browse Meritor-Rockwell 40-145 Rear Differentials for sale on MyLittleSalesman.com. Compare prices, photos, and seller details across 52 listings. Meritor-Rockwell 40-145 Rear Differential pricing ranges from $495 to $1,420 based on recent marketplace data. Filter by condition, price, or year to find the right Meritor-Rockwell 40-145 Rear Differential.