VolvoEngine Parts

FPFL2405054 — Thermostat 21746213 For Volvo Penta Engine Tad540Ve Tad541Ve Volvo Bus B5Lh 3 B5Th 3 B8R 3

This thermostat is a crucial component of the engine's cooling system, regulating coolant flow to maintain optimal operating temperature. Manufactured to precise OEM standards, it offers reliable temperature control and durability compared to a worn thermostat that may stick open or closed. Operators may notice the engine running too cool, taking excessively long to warm up, or conversely, overheating if this thermostat malfunctions.

Thermostat 21746213 For Volvo Penta Engine Tad540Ve Tad541Ve Volvo Bus B5Lh 3 B5Th 3 B8R 3 – Part No FPFL2405054 – 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 TypeEngine Thermostat
MaterialBrass, stainless steel, wax pellet
ApplicationEngine cooling system
Service LifeReplace every 2-4 years or as needed
CompatibilityOEM specification 21746213
ConditionNew — OEM specification aftermarket

Failure Symptoms

The most common symptom of a faulty thermostat is the engine temperature gauge reading abnormally low or high. If the thermostat sticks open, the engine may run too cool, leading to poor fuel economy and increased emissions. If it sticks closed, the engine can quickly overheat, potentially causing severe internal damage.

Installation Tip

Ensure the thermostat is installed in the correct orientation, paying close attention to any markings or flow direction indicators. Do not reuse the old gasket; always use a new one to ensure a proper seal.

Service Note

Flush the cooling system and replace the coolant when replacing the thermostat to ensure optimal performance.