Volvo Penta – Sealing Ring – 853868

The Volvo Penta 853868 is a genuine OEM double lip sealing ring used behind the shift mechanism on the gear selector housing of select Volvo Penta sterndrives, saildrives, and reverse gear applications. This seal helps keep gear oil inside the upper housing while helping prevent water intrusion around the shift actuator area. It is commonly serviced when the gear selector housing is removed, when gear oil leakage is present around the shift mechanism, or when water contamination is found in the drive oil.

Key Features

• Genuine Volvo Penta double lip seal / sealing ring
• Volvo Penta part number: 853868
• Installs behind the shift mechanism on the gear selector housing
• Helps seal the shift actuator area against gear oil loss and water intrusion
• Common dimensional reference: 25 mm ID x 35 mm OD x 8 mm height
• Used across multiple Volvo Penta sterndrive, saildrive, DP, SX, and DPX applications where the parts diagram calls for 853868
• Related gear selector housing components should be inspected during service, especially the housing O-ring and retaining hardware

Application Compatibility

Common Volvo Penta applications for sealing ring 853868 include:

Volvo Penta Diesel / Reverse Gear Applications

• MD2010
• MD2020
• MD2030
• MD2040
• MD22A
• MD22L
• MD22L-A
• MD22L-B
• MD22P-A
• MD22P-B
• TAMD22P
• TMD22-B
• TAMD22A
• TAMD22L-A
• TMD22A
• TMD22L-A

Volvo Penta Sterndrive Applications

• 250
• 270
• 270SP
• 275
• 280
• 280SP
• 290
• 290DP

Volvo Penta DP Series

• DP-A
• DP-C
• DP-D
• DP-E
• DP-G
• DP-SM

Volvo Penta SX Series

• SX-M
• SX-C
• SX-C1
• SX-C2
• SX-MTD
• SX-MTD3

Volvo Penta Saildrive Applications

• 120S
• 120SB
• 120SC
• 120SD

Volvo Penta DPX Series

• DPX
• DPX-A
• DPX-C
• DPX-R
• DPX-S

Fitment Notice

Fitment must be confirmed by Volvo Penta model, serial number, and the correct gear selector / shift actuator parts diagram. Volvo Penta uses many similar-looking oil seals and sealing rings in sterndrive and saildrive assemblies, so confirm that the diagram specifically calls for 853868 before ordering.

When This Part Needs Replacement

Replace this sealing ring if gear oil is leaking from the gear selector housing, if water is entering the upper gear housing, if drive oil appears milky, or whenever the shift mechanism is removed for service. The seal should also be replaced if it is hardened, cut, flattened, or disturbed during disassembly.

Installation Notes

Install the seal squarely into the housing and follow the Volvo Penta service manual for seal orientation and gear selector reassembly. Avoid scoring the bore or shift shaft during removal. Inspect the gear selector shaft, housing surface, O-ring, split pin, and related hardware while the assembly is apart. After service, pressure and vacuum testing the drive is recommended before refilling with gear oil.

Alternate/Superseded Part Numbers

• Current Volvo Penta Part Number: 853868
• Replaces Older Volvo Penta Numbers: 853858, 873291, 941866, 958838
• Aftermarket Cross References: Sierra 18-2043, Sierra 18-25251
• Related Service Components: Volvo Penta 925093 O-ring, Volvo Penta 973593 split pin

Parts Desk Insight

This is a small seal, but it protects a critical area of the drive. A leaking shift actuator seal can allow gear oil to escape or water to enter the upper housing, which can quickly lead to bearing and gear damage. Always match this seal by the exact Volvo Penta parts diagram rather than by appearance alone, especially on DP, SX, DPX, and saildrive models with similar seal sizes.

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