The Spicer TTC ESO66-7 manual transmission assembly, part number 301742-80 or 30174280, is a complete transmission unit for heavy-duty truck applications. This assembly carries the Spicer TTC designation ESO66-7, indicating a manual-shift configuration within the ESO66 series. Also cross-referenced under the Tremec brand as part number SX301742-80, this unit is sold by Pro Gear and Transmission. Call us to confirm proper fit for your specific vehicle or application before ordering.
Features
Spicer TTC ESO66-7 series manual transmission assembly
Part number 301742-80 or 30174280
Cross-referenced as Tremec part SX301742-80
Complete transmission assembly unit
Sold by Pro Gear and Transmission
