VolvoEngine Parts

21876479 — Coolant Level Sensor 21876479 For Volvo Penta Engine Tad520 Tad530 Tad531 Tad532 Tad550 Tad551 Tad720 Tad721 Tad722 Tad730 Tad731 Tad732 Tad733

This coolant level sensor is a vital part of the engine's cooling system, continuously monitoring the coolant level and signaling the operator or engine control unit if it drops too low. Maintaining the correct coolant level is essential for preventing engine overheating and subsequent damage. A malfunctioning sensor may not provide an accurate reading, leading to a false sense of security or unnecessary warnings.

Coolant Level Sensor 21876479 For Volvo Penta Engine Tad520 Tad530 Tad531 Tad532 Tad550 Tad551 Tad720 Tad721 Tad722 Tad730 Tad731 Tad732 Tad733 – Part No 21876479 – 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

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

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

Part TypeCoolant Level Sensor
MaterialDurable plastic and electronic components
ApplicationEngine cooling system
Service LifeInspect annually, replace as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The primary symptom of a faulty coolant level sensor is the absence of a low coolant warning light or indicator, even when the coolant level is critically low. If the system is ignored, this can lead to the engine overheating, causing severe damage to the cylinder head, gasket, and block. Operating an engine without adequate coolant can result in catastrophic mechanical failure.

Installation Tip

Ensure the reservoir or expansion tank is clean and free of any sediment or debris that could interfere with the sensor's operation. Do not overtighten the sensor when installing it, as this can crack the plastic housing or damage the sealing surface.

Service Note

When replacing the coolant level sensor, it is essential to check the overall coolant level and condition, and inspect the radiator cap and hoses for any signs of wear or leaks.