Volvo Penta Exhaust Block-Off 3888819 | TSK Transom Shield

Volvo Penta Exhaust Block-Off Part No. 3888819

This is the OEM exhaust block-off for selected Volvo Penta transom-shield exhaust assemblies. It appears in Volvo Penta parts diagrams as part of the exhaust block-off kit, alongside the block-off plate, gasket, and fastening hardware. It is a serial-number-verified service component fitment should be confirmed against the exact drive and transom-shield model, not by visual match alone.

Compatible Applications

Confirmed catalog applications:

• TSK A-32-NPT transom-shield exhaust block-off assembly
• Related Volvo Penta transom-shield exhaust block-off kit configurations

Broader application may exist across other TSK and transom-shield variants. Confirm by exact drive model and serial number before ordering.

Serial Number & Drive Fitment Notice

Volvo Penta exhaust block-off assemblies can vary by drive, transom-shield configuration, and production serial range. Always confirm fitment by the exact engine, drive model, and serial number. Small application differences can affect the correct block-off, gasket, and hardware combination.

When to Replace

Replace this exhaust block-off when:

• The existing block-off is damaged, corroded, or no longer sealing correctly
• Servicing or converting an exhaust assembly that requires a block-off component
• Related gasketed exhaust service work calls for renewing the block-off hardware and sealing parts

Installation Notes

Inspect the related gasket, fastening hardware, and block-off plate during service. Replace any components that are hardened, corroded, or damaged. Related service items shown with this assembly in Volvo Penta diagrams include:

• Plate 3886938
• Gasket 3841013
• Hexagon screw 3855227
• Tab washer 3852002

Confirm the correct torque specification for the fastening hardware from the applicable Volvo Penta service procedure for the assembly being serviced.

Superseded / Alternate Part Numbers

No confirmed supersession for 3888819 was identified in current references. Use 3888819 as the current OEM ordering number.

Parts Desk Insights

Best use: Order 3888819 when your transom-shield exhaust diagram or serial-number lookup confirms this part for the block-off assembly being serviced. It is most commonly needed during exhaust block-off kit service or exhaust system conversion work on TSK-series transom shields.

Common customer issue: Exhaust block-off components are easy to mis-order because multiple parts cover similar positions across different drive and transom-shield configurations. Matching by OEM part number and serial number rather than by appearance or general application is the most reliable way to ensure the correct block-off, gasket, and hardware combination for your specific assembly.