VolvoEngine Parts

FPBY250566 — Water Temperature Sender Rec873066 For 1993-2005 Volvo Diesel Marine Engine D31-D43

This water temperature sender is a crucial sensor that monitors the engine coolant temperature and transmits this information to the instrument panel or engine control unit. It is designed for accurate and reliable readings under harsh operating conditions, unlike a faulty sender that can provide inaccurate or no temperature data, leading to improper engine management. Operators may observe a fluctuating temperature gauge, an engine overheating warning light, or the engine running poorly if the sender malfunctions.

Water Temperature Sender Rec873066 For 1993-2005 Volvo Diesel Marine Engine D31-D43 – Part No FPBY250566 – 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 TypeWater Temperature Sender
MaterialBrass, electronic components
ApplicationEngine cooling system
Service LifeReplace as needed based on accuracy
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing water temperature sender may cause the temperature gauge to read erratically, stay at maximum, or show no reading at all. If the sender fails to report high temperatures, the engine could overheat without warning, potentially causing severe internal damage. Conversely, a sender reporting falsely low temperatures might lead to the engine running inefficiently or the thermostat remaining closed when it should open.

Installation Tip

Ensure the engine coolant is drained to a level below the sender port before removal to prevent spillage. Apply a small amount of thread sealant to the sender's threads, but avoid getting any sealant into the sensor tip itself.

Service Note

Inspect the coolant level and condition, and check the thermostat's operation when replacing the water temperature sender.