Shaft Seals

Heavy-Duty Stuffing Boxes

Johnson heavy-duty stuffing boxes, precision built in bronze or aluminum to seal out seawater and protect the propulsion system.

  • Inflatable Air Seal ring allows repacking at sea without dry-docking.

  • Positive-retraction ring deflates back into the housing without touching the shaft.

  • Custom built to fit your vessel.

Heavy-Duty Stuffing Boxes
OptionDetail
MaterialBronze (standard) or aluminum
ServiceAir Seal, water service, grease service, lantern ring with zerk fitting
Air SealInflates to 15 psi to hold out seawater during repacking
Request Quote

Can't find the part you need?

Tell us what you're looking for and we'll get back to you with a price.