# 21073863 Sensor | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta Sensor - Part Number: 21073863

  

Brand-new genuine Volvo Penta sensor calibrated for use in the Volvo Penta D5A engine electrical monitoring system. It provides the engine control unit, alarm system or instrument with the electrical signal required to monitor operating conditions accurately. The exact monitored parameter is controlled by the D5A wiring and engine schematic; confirm the original sensor location and connector before ordering.

  

⚙️ Key Features

  

• Genuine calibrated Volvo Penta sensor

• Correct connector and mounting interface

• Matched electrical range for the original control system

• Supports fault monitoring and protective functions

• Requires exact schematic and software compatibility

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 21073863 - OEM reference

  

OEM / Related Numbers:

  

• Volvo Penta 21073863

• VOE21073863

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Volvo Penta D5A engine electrical monitoring system

  

Typically suits:

  

• Engine models:

• D5A-A T

• D5A-B TA

• Engine Type: Volvo Penta D5 inline diesel

• Serial / Configuration: Confirm sensor function, connector, thread and engine serial number

• Year Range: D5A production applications

  

🔌 Function

  

Measures the specified operating condition and converts it into an electrical signal for display, control, alarm or engine-protection logic.

  

Common signs of failure:

  

• Implausible or fixed sensor reading

• Intermittent warning, alarm or diagnostic code

• Poor starting, derate or control irregularity where the signal is used by the ECU

• Corroded pins, damaged wiring or loose connection

• Reading that differs from an independent mechanical measurement

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 113.11 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 113.11 AUD | In stock |

## Images

- 21073863 Sensor | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21073863-sensor-genuine-volvo-penta)
> Updated: 2026-08-01