Sierra Upper Unit Seal Kit 47-2586

Parts Desk Insights: Best suited for upper gearcase rebuilds and preventive maintenance on outboard and sterndrive applications. Technicians reach for this kit when servicing the upper unit after water intrusion, seal wear, or as part of a scheduled gearcase overhaul particularly following prop strikes or extended seasonal use.

The Sierra Upper Unit Seal Kit (47-2586) provides a complete set of seals for upper gearcase service. Engineered to OEM specifications, this kit restores watertight integrity to the upper unit, protecting internal gearcase components from water contamination and gear oil loss.

Designed for use on a range of outboard and sterndrive upper gearcase assemblies. Consult the Sierra application guide to confirm fitment for your engine make, model, and year before ordering.

Related Products:
Sierra Upper Unit Seal Kit 47-2648
Lower Unit Seal Kit
Mercury/Mariner Lower Unit Seal Kit
Johnson/Evinrude Lower Unit Seal Kit