Browse Eaton-Spicer RDP41 Rear Differentials for sale on MyLittleSalesman.com. Compare prices, photos, and seller details across 15 listings. Eaton-Spicer RDP41 Rear Differential pricing ranges from $650 to $1,300 based on recent marketplace data. Filter by condition, price, or year to find the right Eaton-Spicer RDP41 Rear Differential.