VolvoEngine Parts

21426987 Speed Sensor — Volvo FH12 FH16

This speed sensor accurately measures the rotational speed of the drivetrain components, providing critical data to the engine control unit (ECU) for optimal performance and transmission shifting. Manufactured to precise OEM specifications, it ensures reliable signal transmission, unlike a faulty sensor that may produce erratic or no readings. Operators may observe incorrect speedometer readings, transmission shifting problems, or illuminated warning lights on the dashboard if the sensor fails.

Speed Sensor – Part No 21426987 – Volvo Spare Part
Part Specifications
BrandVolvo
CategoryEngine Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Cross-reference part number with serial number before ordering to confirm fitment. Keep original parts until new ones are confirmed correct. Record part numbers replaced for future reference.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeSpeed Sensor
MaterialMetal, electronic components
ApplicationDrivetrain speed monitoring
Service LifeReplace as needed based on diagnostic codes
CompatibilityVolvo OE 21426987
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of a failing speed sensor is often an erratic speedometer reading or intermittent transmission shifting issues. If the sensor fails completely, the speedometer may stop working, cruise control will disengage, and the transmission might default to a 'limp home' mode. Continued operation without a functioning speed sensor can lead to inefficient fuel consumption and potential transmission damage.

Installation Tip

Ensure the mounting threads are clean and free of debris before screwing in the new sensor to achieve a proper seal. Avoid using excessive force when tightening the sensor, as this can damage the threads or the sensor body.

Service Note

Inspect the wiring harness and connector leading to the speed sensor for any signs of damage, corrosion, or loose connections.