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• Superseded by later sensor wheel 23470539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