874370 Potentiometer | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta potentiometer for electric speed control, from the Alternator, Charging, Electric Motor and Electric Drives group, weighing 0.039 kg and listed for 8 applications across D and MD series engines. Potentiometer 874247 covers voltage adjusting instead, and the two are not interchangeable.

🚤 Compatibility

Typically suits:

• Volvo Penta D5A-B TA
• Volvo Penta D5A-T
• Volvo Penta D5A-TA
• Volvo Penta D7A-B TA
• Volvo Penta D7A-T
• Volvo Penta D7A-TA
• Volvo Penta MD2010
• Volvo Penta MD2010B

• Engine Family: D, MD

⚙️ Key Features

• For electric speed control
• 0.039 kg
• 8 applications across D and MD series engines
• Separate from the voltage adjusting potentiometer 874247

🔌 Function

Converts the operator's speed demand into a variable resistance the electronic speed control reads.

⚠️ Common Signs of Failure

• Engine speed hunting or surging at a steady lever position
• Dead spot or step in the response part-way through the sweep
• Speed demand sticking at one setting
• Track worn or contaminated where the control sits most of the time
• Terminals corroded or the shaft loose in the body

🛠️ Service Notes

• Check the control linkage and harness before condemning the unit, since binding and poor contacts give the same hunting symptoms
• Order by function: 874247 is the voltage adjusting potentiometer, this one is the speed control

📦 Condition

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