Volvo Penta Drain Plug Crush Washer Gasket 18818

Volvo Penta Drain Plug Crush Washer Gasket 18818

Volvo Penta 18818 is a genuine OEM crush-style sealing washer for selected Volvo Penta diesel engine drain-plug applications. It compresses against the drain-plug seating surface to help form a reliable seal during oil or fluid service.

Part Details

• Brand: Volvo Penta
• OEM part number: 18818
• Product type: Drain plug crush washer gasket
• System: Engine oil or fluid drain point
• Sold: Individually
• Approximate unit weight: 0.004 kg
• Condition: New

Compatible Applications

• Volvo Penta D70B drain-plug sealing applications
• Selected older Volvo Penta diesel engine applications where the parts diagram specifies 18818

Compatibility references for this gasket are limited. Confirm part number 18818 against the exact engine model, serial number, and applicable Volvo Penta parts diagram before ordering.

When to Replace

Replace this gasket whenever the drain plug is removed for service. A crush-style washer is designed for single use and may not reseal reliably after it has been compressed. Replace it as well if oil seepage or weeping is present at the drain-plug seating surface.

Installation Notes

• Confirm the part number against the engine serial number before installation.
• Clean the drain plug and seating surface before fitting the new gasket.
• Do not reuse the old compressed washer.
• Torque the drain plug according to the applicable Volvo Penta service manual.

Technical FAQ

• What is Volvo Penta 18818?
  It is an OEM crush-style gasket used to seal selected engine drain-plug applications.
• Can I reuse the old gasket?
  No. Once a crush washer has been compressed, it may not form a reliable seal again.
• Does 18818 fit every Volvo Penta diesel engine?
  No. The available application reference identifies D70B and selected older diesel applications. Verify the exact model, serial number, and parts diagram.
• Is this gasket sold individually?
  Yes. This listing is for one gasket.
• Can I use a generic washer instead?
  Match the specified part number and sealing application. A washer with a different size or material may not compress correctly or seal at the required torque.

Related Parts

• Volvo Penta Oil Drain Plug Gasket 20579690
• Volvo Penta Magnetic Plug 852904

Parts Desk Insights

Best use case: Keep a fresh 18818 gasket on hand for applicable Volvo Penta oil or fluid drain service where the parts diagram specifies this washer.

Common mistake: Reusing the old compressed washer or substituting a generic washer without confirming its size and sealing material.

Sizing and fitment guidance: Match the engine model, serial number, drain-plug application, and Volvo Penta parts diagram. If you are servicing a D70B or an older Volvo Penta diesel, verify the diagram before ordering.