3837221 Turbocharger | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta turbocharger from the Inlet and Exhaust System group, weighing 34.019 kg and listed for 3 applications on TAD series engines. It is the heavier of a near-identical pair, turbocharger 3837220 being the 32.817 kg entry with the same name, group and application count.

🚤 Compatibility

Typically suits:

• Volvo Penta TAD1640-42GE-B
• Volvo Penta TAD1641GE
• Volvo Penta TAD1642GE

• Engine Family: TAD

⚙️ Key Features

• 34.019 kg
• 3 TAD series applications
• Heavier twin of turbocharger 3837220
• Order by part number, as no variant detail is published to tell the pair apart

🔌 Function

Uses exhaust gas energy to drive a compressor that forces extra air into the cylinders, raising power output.

⚠️ Common Signs of Failure

• Siren or whistling note that changes with boost
• Blue smoke and oil consumption climbing
• Oil traces in the inlet and charge air pipes
• Play in the shaft or rubbed compressor blades
• Sluggish pull with black smoke

🛠️ Service Notes

• Check the number on the old unit rather than trusting weight, as only 1.2 kg separates this from 3837220
• Use lifting help for a 34 kg unit and support it while the mounting nuts go on
• Prime the bearing housing with clean oil and renew the feed and drain lines

🔄 Supersession & Cross Reference

Other-Brand OEM Numbers

• BorgWarner/Schwitzer: 319487 988 9487 / 1500 998 9487
• BorgWarner/Schwitzer: 1500 988 9487 / 1500 998 9487

📦 Condition

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