Description

Volvo Penta 1542783 is a genuine OEM O-ring used in Volvo Penta marine cooling-system service. Volvo Penta’s official parts shop lists 1542783 as an active genuine O-ring, and current reviewed schematic references place it in the D9A2-A cooling system. Current reviewed public sources do not publish a confirmed inside diameter, outside diameter, cross-section, or thickness specification for this exact OEM number.

Key Features
Genuine Volvo Penta OEM part number 1542783. Sold as an individual sealing part rather than a kit component. Current reviewed dealer references also show approximate product weight around 0.011 kg, which is a useful secondary checkpoint but not a dimensional spec.

Engine Compatibility
Current reviewed public references most clearly tie Volvo Penta 1542783 to the D9A2-A cooling system. Additional reviewed retail references describe it generally as a Volvo Penta O-ring / sealing ring, but the strongest application signal in the current sources is the cooling-system schematic placement. Fitment should be confirmed by exact engine serial number and by matching the original sealing point before ordering.

Serial Number Fitment Notice
O-rings can vary by inside diameter, cross-section, material, and sealing-groove design. Confirm Volvo Penta 1542783 by engine serial number and by matching the original O-ring location before ordering. Volvo Penta continues to list 1542783 as an active genuine part number.

When This Part Needs Replacement
Replace this O-ring whenever the related cooling-system component is removed for service, or when the original seal shows flattening, hardening, cracking, seepage, or loss of sealing tension. Because current reviewed sources place 1542783 in cooling-system service, renewing it during disassembly is the right service practice for dependable reassembly.

Installation Notes
Install only on clean sealing surfaces and compare the new O-ring directly to the original before final assembly. Since current public references confirm the part number more clearly than they publish full dimensional data, serial-number verification and direct comparison to the removed seal are the safest checkpoints before installation.

Alternate/Superseded Part Numbers
Current reviewed public sources clearly identify 1542783 as the active Volvo Penta number for this O-ring. No confirmed newer Volvo Penta supersession is clearly shown in the reviewed current references.

Parts Desk Insight
For small cooling-system seals like 1542783, the strongest buying checkpoint is the exact sealing location, not appearance alone. Current reviewed sources point most clearly to D9A2-A cooling-system use, so matching the original seal location and confirming by serial number is the cleanest way to avoid ordering the wrong O-ring.

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