Description
SIERRA Volvo Penta SX Upper Gearcase Seal Kit – 18-2586
Upper gearcase seal kit for Volvo Penta SX sterndrives through 2006 using OEM seal kit 3850594. It is intended as an application-specific replacement for the original marine component and is cross-referenced by the OEM/aftermarket numbers listed below.
- Application: Volvo Penta SX sterndrives through 2006 using OEM seal kit 3850594
- Function: Provides the upper-drive seals required during disassembly/reseal service to retain gear lubricant and exclude water.
- Component: Upper gearcase seal kit
- Drive family: Volvo Penta SX
- Interchange: OMC Stern Drive: 3850594; Volvo Penta: 3850594
Confirm the engine or sterndrive model, serial range and original part number before installation. During service, inspect adjacent seals, fasteners, hoses and mating surfaces so a related fault is not carried into the repaired assembly.
Specifications
- Component: Upper gearcase seal kit
- Drive family: Volvo Penta SX
- Application: Through 2006
Interchange / Replaces
- OMC Stern Drive: 3850594
- Volvo Penta: 3850594
Related Products
- Cross-sell / related: SIE-18-2699 | SIE-18-9650-2
- Relationship notes: 18-2699 is the Volvo SX/DP-SM outdrive mounting gasket set used when the drive is removed; 18-9650-2 is Sierra high-performance gear lubricant.


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