Browse Eaton-Spicer RS404R617 Rear Differentials for sale on MyLittleSalesman.com. Compare prices, photos, and seller details across 11 listings. Eaton-Spicer RS404R617 Rear Differential pricing ranges from $790 to $850 based on recent marketplace data. Filter by condition, price, or year to find the right Eaton-Spicer RS404R617 Rear Differential.