Vertical Drive Shaft | Volvo Penta 3851342Vertical Drive Shaft Volvo Penta 3851342 Vertical Drive Shaft Volvo Penta 3851342 Vertical drive shaft for a variety of single prop Volvo Penta drive unit models. Volvo Penta lower unit vertical driveshaft For a wide range of single prop drive models Fits SX C, SX CT, SX C1, SX CT1, SX RT, SX RT1 SX M, SX M1, SX A, SX D Volvo Penta lower unit vertical driveshaft For a wide range of single prop drive models Fits SX C, SX CT, SX C1, SX CT1, SX RT, SX