21912303 Speed Sensor | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Flywheel Speed Sensor / Speed Monitor - Part Number: 21912303

Engine-speed sensor mounted in the TAD550GE flywheel housing. It detects passing flywheel/ring-gear features to provide rotational-speed information for control, protection and governing functions.

⚙️ Key Features

• Non-contact engine-speed sensing

• Sealed electrical connector

• Designed for flywheel-housing mounting

• Provides control and protection signal

• Correct air gap and serial fitment required

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21912303 (current listed OEM reference)

OEM / Related Numbers:

• 21912303

• 22938146 - sensor O-ring

• 21912255 / 21912256 - flywheel-housing references

• 20450694 - retaining screw

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• TAD550GE flywheel housing and engine-control system

Typically suits:

• Engine / drive models:

• TAD550GE

• HP / Rating: Engine or drive rating controlled by the complete product number

• Engine / System Type: Generator diesel electronic speed-sensing system

• Year Range: Production configuration controlled; verify by product and serial number

• Serial / Specification Control: Confirm sensor depth, connector and flywheel-housing configuration. Correct air gap is essential.

🔌 Function

Generates the crankshaft/flywheel speed signal used by the engine controller and generator protection/governing system.

Common signs of failure or wear:

• No-start or immediate shutdown from missing speed signal

• Intermittent RPM reading

• Overspeed/underspeed fault codes

• Metal debris on magnetic sensor tip

• Damaged wiring, connector or incorrect air gap

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging