Volvo Penta Sealing Sleeve (Shaft 2") – Fits Volvo Penta Inboard Applications (Replaces 3819728)

$240.70 $385.00

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Product Details

This Volvo Penta Sealing Sleeve (stuffing box) is designed for 2-inch (50.8mm) propeller shafts with a stern tube diameter of 2.75 inches (69.85mm). It provides effective lubrication and sealing for various Volvo Penta inboard applications, ensuring reliability with simple installation and minimal maintenance.

This part is a direct replacement for Volvo Penta part number 3819728.

Features a simple installation process with included tools.
Requires greasing only once a year or every 200 hours.
The kit comes complete with lubricating grease and installation hardware.

Part Number Matrix

Use this matrix to confirm equivalent references across OEM and aftermarket.

Brand	Part Number
Volvo Penta	3819728

Engine & Model Compatibility

Confirm your engine model/year in the table below.

Brand	Model	Shaft Diameter	Stern Tube Diameter	OEM Part No.	Notes
Volvo Penta	Inboard Propulsion	2" (50.8mm)	2.75" (69.85mm)	3819728	For water-lubricated bearings at all speeds

Technical Specs

Product Type: Propeller Shaft Sealing Sleeve / Stuffing Box
Installation: Simple installation with included tools
Shaft Diameter: 2 inches (50.8mm)
Stern Tube Diameter: 2.75 inches (69.85mm)
Tube Diameter Tolerance: +0.5mm, -0.3mm
Measurement A: 36mm
Measurement B: 92mm
Material: Molded rubber
Maintenance: Grease every 200 hours or once a year
Maximum Distance Between Bearings: 1500mm (59")
Package Includes: Installation tools and grease
Product Dimensions: 13.5" x 11.0" x 11.0"
Box Dimensions: 13.5" x 11.0" x 11.0"

What’s in the Box

1 x Sealing Sleeve Kit (3819728)
1 x Installation Tools (included in kit)
1 x Lubricating Grease (included in kit)

Installation Notes

This moulded rubber packing box is designed for effective lubrication and sealing of Volvo Penta propeller shafts and tubes. For effective lubrication, it is essential that the packing box bearings are water-lubricated at all speeds. The distance between bearing points must not exceed 1500mm (59").

Troubleshooting & FAQ

How do I know if this sealing sleeve fits my vessel?

Confirm that your propeller shaft diameter is 2 inches (50.8mm) and your stern tube diameter is 2.75 inches (69.85mm). Verifying the part number 3819728 against your service manual is the best way to ensure compatibility.

What are the signs of a failing sealing sleeve?

Common signs of failure include excessive water dripping or leaking from the stuffing box, visible cracks or deterioration of the rubber, and increased shaft vibration. Prompt replacement is recommended to prevent damage.

What is the recommended maintenance for this part?

To ensure a long service life, the sleeve should be lubricated with the included grease every 200 hours of operation or at least once a year during seasonal maintenance.

Why is water lubrication necessary?

Water lubrication is critical for cooling the bearings and reducing friction at all operational speeds. Failure to ensure adequate water flow can lead to overheating and premature wear of the seal and shaft.

What is the maximum distance allowed between shaft bearings?

The distance between the shaft support bearings must not exceed 1500mm (59 inches) to ensure proper alignment and prevent excessive flexing of the propeller shaft, which could compromise the seal.

Are any special tools required for installation?

No, the package includes the necessary installation tools for a straightforward installation process.

OEM vs. Aftermarket?

This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.

Shipping speed & cost

We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.

Warranty & returns

Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.

Safety & Important Info

Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
This is an aftermarket replacement, not an OEM component.
Professional installation is recommended for safety and performance.

About Sea Sierra

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