21545863 O-Ring | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Engine O-Ring - Part Number: 21545863

A precision elastomer O-ring used to seal the designated Volvo Penta engine, cooling, oil, fuel or air-system joint.

⚙️ Key Features

• Correct OEM cross-section and diameter

• Designed for the assigned fluid and temperature range

• Provides a static pressure-tight seal

• Suitable for engine heat and vibration

• Must be installed with clean, undamaged sealing surfaces

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• Current OEM reference: 21545863

OEM / Related Numbers:

• 21545863

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

• Volvo Penta engine and equipment assemblies specifying O-ring 21545863

• Confirm material, groove size, fluid compatibility and serial-specific location

🔌 Function

The O-ring seals the mating components and prevents fluid, air or pressure leakage through the joint.

Common signs of failure or damage:

• Fluid seepage

• Flattened or hardened seal

• Cuts, nicks or extrusion

• Swelling caused by incompatible fluid

• Leakage returning after component removal

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging