3889439 Engine Speed Sensor | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta engine speed sensor from the marine propulsion group, listed for 12 applications on D series engines.

🚤 Compatibility

Typically suits:

• Volvo Penta D11C1-A MP
• Volvo Penta D11C3-A MP
• Volvo Penta D8A5-A MH
• Volvo Penta D8A6-A MH
• Volvo Penta D11B3-A MP
• Volvo Penta D11A-A
• Volvo Penta D11A-B
• Volvo Penta D11A-C
• Volvo Penta D11A-D
• Volvo Penta D11A-E
• Volvo Penta D11B1-A MP
• Volvo Penta D8A3-A MP

• Engine Family: D

⚙️ Key Features

• 12 applications on D series engines
• Engine speed signal for the control system

🔌 Function

Reads engine speed from a rotating toothed reference and reports it to the control system and instruments.

⚠️ Common Signs of Failure

• Tachometer reading erratically, reading zero or dropping out
• Engine cutting out, refusing to start or losing power with a speed signal fault stored
• Rough or erratic running as the control system loses its speed reference
• Sensor tip damaged, or packed with debris or metallic swarf
• Corroded or water-damaged connector at the sensor

🛠️ Service Notes

• The published weight looks wrong for a sensor of this type, so do not use it to identify the part
• Check the sensor connector, wiring and air gap before condemning the sensor, and clean any debris from the tip
• Set the sensor to the specified projection or air gap on fitting, and renew its sealing ring

📦 Condition

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