3812139 Connecting Rod | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta connecting rod, supplied complete, from the Engine group, weighing 0.406 kg and listed for 6 applications on D series engines. Connecting rod 3812206 is the heavier complete rod at 0.531 kg.

🚤 Compatibility

Typically suits:

• Volvo Penta D1-13
• Volvo Penta D1-13B
• Volvo Penta D1-13F
• Volvo Penta D1-20
• Volvo Penta D1-20B
• Volvo Penta D1-20F

• Engine Family: D
• HP Range: 13-20 HP

⚙️ Key Features

• Supplied complete
• 0.406 kg
• 6 applications on D series engines
• The lighter of two complete rods, against 0.531 kg for 3812206
• Quantity varies by assembly, most commonly two

🔌 Function

Links the piston to the crankshaft, turning the piston's up-and-down travel into rotation.

⚠️ Common Signs of Failure

• Heavy knock from low down in the engine, worst under load
• Low oil pressure with metal in the filter
• Big-end shells scored, wiped or picked up
• Rod bent or twisted after a hydraulic lock or seizure
• Small-end bush worn, giving a lighter knock at idle

🛠️ Service Notes

• Never mix rods of different weights in one engine, so confirm whether the 0.406 kg or the 0.531 kg rod is correct
• Renew the big-end bolts and shells whenever a rod is disturbed
• Check the crank journal and the bore for wear and ovality before fitting

📦 Condition

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