SX Upper Seal Kit | Volvo Penta 3850594SX Upper Seal Kit Volvo Penta 3850594 SX Upper Seal Kit Volvo Penta 3850594 Upper gearcase seal kit for various Volvo Penta SX and DP model drives For OMC and Volvo Penta SX C, SX C1, SX C2, SX CT, SX CT1, SX CT2, SX M, SX M1, SX MTD, SX MTD3, SX RT1, SX RT2, SX S, SX ST, DP S, DP S1, DP SM, DP SMTD, DP SMDT1, and DP SMTD3 model upper gear units Original Volvo Penta Replaces OMC 3850594