# 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

## Details

- **Price:** 324.01 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 324.01 AUD | In stock |

## Images

- 20508011 Sensor | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20508011-sensor-genuine-volvo-penta)
> Updated: 2026-07-30