The Eaton Spicer RS380 rear differential carrier with a 3.70 ratio is listed under part numbers RS380R370 or RBT-RS380R370. The RS380 is a rear differential designed for heavy-duty truck applications, and the 3.70 final-drive ratio makes it a common spec in vocational and line-haul configurations. This unit is sold on an exchange basis through Pro Gear and Transmission - a core charge applies and is subject to review upon return and inspection per the manufacturer's core policy. Call us to confirm this ratio and model fits your specific axle and vehicle before ordering.

• Model: RS380 Ratio: 3.70 Part Numbers: RS380R370 or RBT-RS380R370 Sold on exchange basis - core charge applies

This differential is sold on an exchange basis. A core charge will apply and may be refunded in whole or in part upon return, delivery, and inspection. The unit is subject to the manufacturer's core policy unless otherwise stated in writing. Contact Pro Gear and Transmission for details on the core return process before placing your order.