3839352 Belt Tensioner | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta belt tensioner from the Alternator, Charging, Electric Motor, Electric Drives group, for engines up to serial number 7009156810 in earlier production, weighing 0.245 kg and listed for 10 applications on D series engines. The serial breakpoint and the earlier production marking are what decide this order.

🚤 Compatibility

Typically suits:

• Volvo Penta D9A2J
• Volvo Penta D9A2G
• Volvo Penta D9A2D
• Volvo Penta D9A2B
• Volvo Penta D9A2F
• Volvo Penta D9A2K
• Volvo Penta D9A2H
• Volvo Penta D9A2A
• Volvo Penta D9A2C
• Volvo Penta D9A2E

• Engine Family: D
• Serial Range: SN-7009156810, Earlier production

⚙️ Key Features

• For engines up to serial number 7009156810, earlier production
• 0.245 kg
• 10 applications on D series engines
• Belt drive tensioner

🔌 Function

Applies and holds the correct tension on the drive belt so the alternator and other driven components turn without the belt slipping or being overloaded.

⚠️ Common Signs of Failure

• Belt squeal on start-up or under electrical load
• Rumble or growl from the tensioner bearing
• Belt dust and rapid belt wear
• Tensioner arm stiff, slack or sitting at the wrong angle
• Charging output dropping as the belt slips

🛠️ Service Notes

• Check the engine serial number before ordering — this tensioner is listed for engines up to serial number 7009156810 in earlier production
• Fit a new belt with the tensioner and check pulley alignment
• Spin the pulley by hand before fitting to confirm the bearing is smooth

📦 Condition

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