3840880 Flywheel | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta complete flywheel from the Engine group, weighing 18.360 kg and listed for 4 applications on D series engines. It supersedes part number 21193277. It is the heaviest of the three complete flywheels here, with 3840878 at 16.180 kg and 3840879 at 17.237 kg.

🚤 Compatibility

Typically suits:

• Volvo Penta D2-40
• Volvo Penta D2-40B
• Volvo Penta D1-13
• Volvo Penta D1-13B

• Engine Family: D
• HP Range: 13-40 HP

⚙️ Key Features

• Supplied complete
• 18.360 kg
• 4 applications on D series engines
• Supersedes 21193277
• Heaviest of the three complete flywheels here

🔌 Function

Stores rotational energy to smooth the firing pulses and carries the starter ring gear and drive face.

⚠️ Common Signs of Failure

• Starter grinding or slipping past the ring gear
• Teeth chipped or missing where the engine usually stops
• Vibration or rumble that tracks engine speed
• Drive or friction face scored, blued or cracked
• Flywheel bolts loose, or their holes worn oval

🛠️ Service Notes

• Order against the old number 21193277 if that is what your records show
• Distinguish from 3840878 and 3840879 by weight, as all three carry the same name
• Check the crankshaft flange face and fit new flywheel bolts where they are single-use

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 3840880 → Supersedes 21193277

OEM / Related Numbers

• 21193277 earlier number superseded by this part

📦 Condition

• Genuine Volvo Penta part
• Brand new
• Supplied in original or equivalent packaging