3807347 Control Unit | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta HIU control unit for the reverse gear, from the Ignition and Control Systems group, weighing 1.361 kg and listed for 5 applications on D series engines. Control unit 3807345 is the matching HIU for SX drive installations, so the installation type is what decides which of the two you need.

🚤 Compatibility

Typically suits:

• Volvo Penta D3-130A-A
• Volvo Penta D3-160A-A
• Volvo Penta D3-110I-A
• Volvo Penta D3-130I-A
• Volvo Penta D3-160I-A

• Engine Family: D
• HP Range: 110-160 HP

⚙️ Key Features

• For the reverse gear
• HIU control unit
• 1.361 kg
• 5 applications on D series engines
• SX drive equivalent is 3807345

🔌 Function

Takes the operator's shift demand and drives the outputs that engage the reverse gear, acting as the control interface between helm and gearbox.

⚠️ Common Signs of Failure

• Gear engaging late, slipping or not at all
• Shift working in one direction only
• Warning lamp or fault indication for the transmission circuit
• Connector pins corroded, burnt or pushed back
• Function returning when the unit is tapped or has cooled

🛠️ Service Notes

• Order by installation: this is the reverse gear unit, and 3807345 is the SX drive unit for the same engine series
• Check supply voltage, earths, shift linkage and connector condition before condemning the unit
• The two units are 0.44 kg apart, so use the installation type rather than weight to choose

📦 Condition

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