Volvo Penta Gasket 23556421

Volvo Penta 23556421 is a genuine OEM gasket used in Volvo Penta diesel turbocharger-related applications. Current catalog references consistently identify it as gasket 23556421, and multiple current parts sources associate it with Volvo Penta D4 and D6 turbo applications, making it a strong replacement candidate when servicing the turbo mounting or related sealing point where this exact number is specified.

Key Features

• Genuine Volvo Penta OEM gasket, part number 23556421.
• Commonly associated with Volvo Penta D4 and D6 engine applications.
• Used in turbocharger or turbo mounting related service references.
• Replaces earlier Volvo Penta part number 21452196 in current parts references.
• One current distributor reference lists an approximate weight of 0.09 kg.

Engine Compatibility

Current references support Volvo Penta 23556421 in D4 and D6 diesel engine families, particularly in turbocharger-related applications. The strongest supportable fitment is as a turbo or turbo-mounting gasket within applicable Volvo Penta D4 and D6 setups, but exact compatibility should still be tied to the correct engine model and parts diagram for the specific installation.

Serial Number Fitment Notice

Fitment can vary by engine rating, production version, and serial-number range within the D4 and D6 families. Confirm part number 23556421 in the correct Volvo Penta parts catalog for your engine serial number before ordering, especially when working around turbocharger or exhaust-side service points.

When This Part Needs Replacement

Replace this gasket any time the original gasket is removed during turbo service, shows signs of leakage, heat damage, crushing, splitting, or no longer seals evenly after disassembly. Replacing it during reassembly is the safer approach whenever the turbo mounting joint has been opened.

Installation Notes

Install on clean, flat mating surfaces with all old gasket material removed. Confirm the gasket matches the exact turbo or adjoining sealing location in the parts diagram before assembly, and use even fastener tightening to help prevent distortion or future leaks. On turbo-related jobs, checking nearby hardware and sealing surfaces at the same time can help avoid repeat labor.

Alternate/Superseded Part Numbers

Current Volvo Penta parts references show 21452196 as a replaced number that now updates to 23556421. Broader turbo gasket kit references also associate 23556421 with related service-number groups including 3583335 and 3588435, but 23556421 should be used as the primary OEM ordering number for this listing.

Parts Desk Insight

Turbo gaskets are one of those small parts that are worth replacing every time the joint is opened. On D4 and D6 engines, matching the exact serial-number-based parts breakdown is usually the easiest way to avoid a leak and a second teardown.

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