20508011 Sensor | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Sensor - Part Number: 20508011

This genuine Volvo Penta sensor is an OEM service component used in the Crankshaft / Flywheel Speed and Position Sensor. It is manufactured to the original Volvo Penta dimensional, material and interface requirements for the documented Volvo Penta 9-litre and 12-litre electronically controlled industrial diesel application. Technical identification: Inductive crankshaft/flywheel rotation sensor used by the engine-management system; Bosch reference 0 281 002 458. In service, it measures the specified engine speed, position, pressure or temperature condition and sends the corresponding signal to the instrument or engine-control system. Selection must be confirmed by OEM part number 20508011, the exact model/product number, serial number and installed assembly configuration.

⚙️ Key Features

• Genuine Volvo Penta OEM sensor

• OEM part number 20508011

• Documented application: Crankshaft / Flywheel Speed and Position Sensor

• Validated engine/application family: Volvo Penta 9-litre and 12-litre electronically controlled industrial diesel

• Technical distinction: Inductive crankshaft/flywheel rotation sensor used by the engine-management system; Bosch reference 0 281 002 458

• Primary function: Measures the specified engine speed, position, pressure or temperature condition and sends the corresponding signal to the instrument or engine-control system.

• Inspect the connector and target/port, install to the specified depth and torque, then verify live-data response and stored fault codes.

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20508011 (current/original OEM service reference)

OEM / Related Numbers:

• 20508011

• 20374282

• Renault/Volvo 7420374282

Aftermarket / Verified Equivalents:

• Bosch: 0 281 002 458

• DT Spare Parts: 2.27110

• Ulupar: 40100195

🚤 Compatibility

Commonly used on:

• Crankshaft / Flywheel Speed and Position Sensor

Typically suits:

• Engine / product models:

• TAD940GE

• TAD941GE

• TAD1240GE

• TAD1241GE

• TAD1242GE

• TAD1241VE

• TAD1242VE

• TWD1240VE

• Engine / Application Family: Volvo Penta 9-litre and 12-litre electronically controlled industrial diesel

• Serial / Configuration Note: Confirm the engine serial number, sensor mounting depth, connector and harness length. Volvo OE 20374282 and Renault/Volvo 7420374282 are documented same-component references.

🔌 Function

Measures the specified engine speed, position, pressure or temperature condition and sends the corresponding signal to the instrument or engine-control system. Inspect the connector and target/port, install to the specified depth and torque, then verify live-data response and stored fault codes.

Common signs of failure:

• Fault codes, alarms or an implausible live-data/instrument reading

• Intermittent signal loss caused by vibration, heat or connector movement

• Poor starting, derating or unstable engine control

• Open circuit, short circuit or out-of-range resistance/voltage

• Corroded terminals, damaged wiring or a cracked sensor body

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging