3842365 Stay | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta stay from the Alternator, Charging, Electric Motor and Electric Drives group, weighing 0.700 kg and listed for 1 application on TWD series engines. It supersedes part number 3839109, which was catalogued earlier as a bracket.

🚤 Compatibility

Typically suits:

• Volvo Penta TWD1240VE

• Engine Family: TWD

⚙️ Key Features

• Alternator and charging group
• 0.700 kg
• 1 application on TWD series engines
• Supersedes 3839109, formerly catalogued as a bracket

🔌 Function

Braces the alternator against belt tension and engine vibration, holding it square to the drive.

⚠️ Common Signs of Failure

• Belt squeal or a belt that keeps throwing off
• Alternator visibly rocking or out of line with the pulleys
• Cracks at the mounting holes or a bent stay
• Bolt holes worn oval and fixings loose
• Charging output dropping as belt tension is lost

🛠️ Service Notes

• The old number was listed as a bracket, so a bracket in your records may well be this stay
• Check the belt, pulley alignment and the alternator mounting bosses when fitting
• Retension the belt after the first period of running

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 3842365 → Supersedes 3839109

OEM / Related Numbers

• 3839109 earlier number superseded by this part

📦 Condition

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