# 21546460 Sprocket | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta D3 Engine Speed Sensor Wheel - Part Number: 21546460

  

A toothed sensor wheel used by the engine-speed sensor to determine crankshaft or engine rotational speed in Volvo Penta D3 electronic engine-control systems.

  

⚙️ Key Features

  

• Precision tooth spacing for speed sensing

• Works with the designated engine-speed sensor

• Maintains accurate engine-speed and timing reference

• Superseded by later sensor wheel 23470539

• Requires correct alignment and sensor air gap

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 23470539 → Supersedes 21546460

  

OEM / Related Numbers:

  

• 21546460

• 23470539 - Later sensor wheel

• 23473109 - Related engine-speed sensor

• 3849117 - Sensor bracket

• 21426987 - Speed monitor

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

• D3-110I-H engine-speed sensor installation

• Related D3-H engine families using sensor wheel 23470539 or earlier 21546460

• Confirm engine serial number and sensor-wheel revision

  

🔌 Function

  

The wheel passes its teeth through the speed sensor's magnetic field, generating the signal used by the engine-control system to calculate engine speed and position.

  

Common signs of failure or damage:

  

• No engine-speed signal

• Crank-no-start condition

• Intermittent shutdown

• Damaged or missing teeth

• Excessive runout

• Incorrect sensor air gap

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 1894.53 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1894.53 AUD | In stock |

## Images

- 21546460 Sprocket | Genuine Volvo Penta Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21546460-sprocket-genuine-volvo-penta)
> Updated: 2026-08-03