Browse Meritor-Rockwell RD20145R391 Front Differentials for sale on MyLittleSalesman.com. Compare prices, photos, and seller details across 5 listings. Meritor-Rockwell RD20145R391 Front Differential pricing ranges from $675 to $2,325 based on recent marketplace data. Filter by condition, price, or year to find the right Meritor-Rockwell RD20145R391 Front Differential.