3812945 Volvo Penta Elbow Connector | Genuine Used Part

🔧 Product Description

Genuine Volvo Penta Turbocharger Air Connector - Part Number: 3812945

A genuine Volvo Penta charge-air connector used between the turbocharger and intercooler on selected D4 and D6 common-rail marine diesel engines.

The connector carries compressed air from the turbocharger outlet into the charge-air cooler. The number 888445 is an earlier or casting-related reference shown alongside current service number 3812945.

⚙️ Key Features

• Genuine Volvo Penta turbo air connector
• Current part number 3812945
• Related original reference 888445
• Connects the turbocharger to the charge-air cooler
• Designed for high-boost D4 and D6 diesel installations

🚤 Compatibility

Commonly used on

• Volvo Penta D4 and D6 turbocharger systems
• Aquamatic and inboard diesel installations

Typically suits

• Engine models:
• Volvo Penta D4-180I
• Volvo Penta D4-210A / D4-210I
• Volvo Penta D4-225A / D4-225I
• Volvo Penta D4-260A / D4-260D / D4-260I
• Volvo Penta D6-280A / D6-280I
• Volvo Penta D6-310A / D6-310D / D6-310I
• D4 and D6 engines using turbo connector 3812945 and O-ring 949841
• HP Range: Approximately 180HP - 310HP
• Engine Type: Volvo Penta four- or six-cylinder common-rail turbo-diesel
• Year Range: Approximately mid-2000s onward, dependent on engine suffix and serial number

🔌 Function

The connector transfers pressurised intake air from the turbocharger into the intercooler. The intercooler reduces the air temperature before it enters the inlet manifold, increasing air density and combustion efficiency.

⚠️ Common Signs of Failure

• Loss of boost pressure and reduced engine power
• Black exhaust smoke under acceleration
• Oil mist or soot around the connector joint
• Whistling or rushing-air noise under load
• Cracked housing or flattened O-ring causing a charge-air leak

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 3812945 current service reference
• 888445 earlier or casting-related connector reference

OEM / Related Numbers

• 3812945
• 888445
• 949841 connector O-ring
• 420641 related flange gasket
• 860105 related gasket
• 8192268 related turbo flange
• 965180 retaining flange screw
• 968842 related flange screws

Aftermarket / Verified Equivalents

• Specialist reconditioned 3812945 turbo connector
• Aftermarket high-temperature O-ring replacing 949841
• Aftermarket turbo flange and charge-air sealing kits
• Fabricated charge-air connector only where dimensions, sealing and pressure rating are professionally matched

📦 Condition

• Genuine used part
• Removed from running engine where applicable
• In good working condition unless otherwise stated