1140659 Starter Inhibitor | Genuine Volvo Penta Part

🔧 Product Description

This is a genuine Volvo Penta starter inhibitor, part number 1140659, listed under the Other Electrical Equipment group. It forms part of the starting circuit protection on MD2010, MD2020, MD2030 and MD2040 marine diesel engines in both C and D variants, preventing the starter motor from being engaged under unsafe conditions such as when the engine is already running or the drive is not in neutral. Supplied as a single OEM component with a net weight of 4.57 kg.

🚤 Compatibility

Typically suits:

• Volvo Penta MD2010-C
• Volvo Penta MD2010-D
• Volvo Penta MD2020-C
• Volvo Penta MD2020-D
• Volvo Penta MD2030-C
• Volvo Penta MD2030-D
• Volvo Penta MD2040-C
• Volvo Penta MD2040-D

• Engine Family: MD
• HP Range: Approximately 10-200 HP
• Year Range: Approximately 1980s - 2000s

⚙️ Key Features

• OEM Volvo Penta part number 1140659
• System group: Other Electrical Equipment
• Net weight: 4.57 kg
• Fits MD2010, MD2020, MD2030 and MD2040 series marine diesel engines in C and D variants
• Genuine Volvo Penta replacement component for the engine starting circuit
• Engine type: Volvo Penta marine diesel starter and mechanical-control circuit

🔌 Function

The starter inhibitor interrupts the starter motor control circuit to block cranking when conditions are not safe, such as with the engine already running or the transmission out of neutral. This protects the starter motor, flywheel ring gear and drivetrain from damage caused by unintended engagement.

⚠️ Common Signs of Failure

• Engine will not crank even when the control lever is correctly in neutral
• Starter engages while the engine is already running, producing a harsh grinding noise
• Intermittent or no response from the key switch when starting
• Corroded, burnt or loose electrical terminals at the unit
• Repeated starter motor or ring gear damage indicating loss of inhibit function

🛠️ Service Notes

• Check the inhibitor blocks cranking with the engine running and with the drive out of neutral, and allows normal starting in neutral, before returning the engine to service
• Confirm the correct C or D variant for your MD2010, MD2020, MD2030 or MD2040 engine before ordering, as the two variants are listed separately
• Clean and check the electrical terminals at the unit when fitting, since corrosion or a loose connection here is a common cause of no-crank or false-crank faults
• If repeated starter or ring-gear damage was the reason for replacement, check the wiring and connections to the unit as well as the inhibitor itself, since a wiring fault can mimic a failed inhibitor

📦 Condition

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