Volvo Penta Charge Air Cooler Sealing Ring 3807481
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Volvo Penta 3807481 is a sealing ring used in select Volvo Penta charge air cooler assemblies. Volvo Penta parts diagrams show this seal at diagram reference #12 in the charge air cooler group with related components such as charge air cooler 3818558, end plates 3588560 / 3588559, spacer 3838407, O-ring 3838406, anode 838929, flange connection 3808051, sealing ring 1542781, and O-ring 1542783. This sealing ring helps maintain the proper seal at the charge air cooler connection point during cooling / charge-air system service.
Key Features
- Volvo Penta sealing ring for supported charge air cooler assemblies
- Common diagram reference: #12
- Used in the charge air cooler / flange connection area
- Volvo Penta part number: 3807481
- Genuine OEM Volvo Penta replacement reference
- Common quantity reference: 1 per listed charge air cooler assembly
- Supplier weight references range from approximately 0.009 kg to 0.02 lb depending on catalog source
Engine Compatibility
This sealing ring is shown in Volvo Penta charge air cooler diagrams for select D9A2A and D9A2B diesel engine applications, including D9-425, D9-500, D9-575, and related D9A marine / industrial configurations depending on serial number and charge air cooler assembly. Supporting gasket-set references also associate 3807481 with D9A2A / D9A2B / D9A2C / D9A2D / D9A2E / D9A2F / D9A2G / D9A2H / D9A2J / D9A2K / D9A2L / D9A2M and selected D11 configurations, but the strongest match is by the exact charge air cooler diagram callout.
Serial Number Fitment Notice
Sealing ring fitment depends on the exact Volvo Penta engine model, charge air cooler assembly, flange connection, cooling-system layout, and serial number range. Always confirm compatibility using the Volvo Penta engine serial number and current parts diagram before ordering, especially on D9 engines where charge air cooler configurations can vary by rating and production range.
When This Part Needs Replacement
Replace this sealing ring whenever the related charge air cooler connection is opened, or if the original seal is flattened, hardened, cut, swollen, leaking, heat-damaged, or no longer sealing properly. Reusing an old compressed sealing ring can lead to air or coolant-side leakage depending on the service location.
Installation Notes
Clean the sealing surfaces before installation and inspect the charge air cooler flange connection, O-rings, end plates, anode, drain nipple, and related hardware while the assembly is apart. Seat the sealing ring evenly and follow the Volvo Penta service procedure for the specific D9 / charge air cooler assembly.
Alternate/Superseded Part Numbers
- 3807481
- Volvo Penta 3807481
- VP3807481
- VOLVO-3807481
- 3586772 — earlier reference superseded to 3807481 in supporting OEM listing references
Parts Desk Insight
This is a diagram-specific charge air cooler seal, so the safest match is the exact Volvo Penta parts drawing rather than engine family alone. If the charge air cooler is already apart, checking the adjacent O-rings, anode, flange connection, and drain hardware at the same time can help prevent repeat service.
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