Browse Meritor-Rockwell RS21-230 Axles & Differentials for sale on MyLittleSalesman.com. Compare prices, photos, and seller details across 7 listings. Meritor-Rockwell RS21-230 pricing ranges from $385 to $578 based on recent marketplace data. Filter by condition, price, or year to find the right Meritor-Rockwell RS21-230.