VolvoEngine Parts

FPLJ2503033 — Thermostat 3831426 1544389 For Volvo Penta Engine D6A D70 D7C Td101G Td101Gk Td102K Td103K Td121 Td70 Aqad40A Aqad40B

This thermostat is a temperature-sensitive valve that regulates the flow of coolant through the engine's cooling system, maintaining optimal operating temperature. It is constructed with durable materials and precise calibration to ensure it opens and closes at the correct temperature, unlike a faulty thermostat that may stick open or closed. Operators may observe the engine running too cold, taking too long to warm up, or conversely, overheating if this thermostat malfunctions.

Thermostat 3831426 1544389 For Volvo Penta Engine D6A D70 D7C Td101G Td101Gk Td102K Td103K Td121 Td70 Aqad40A Aqad40B – Part No FPLJ2503033 – 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 TypeThermostat
MaterialMetal, wax pellet
ApplicationEngine cooling system
Service LifeReplace every 2-3 years or as needed
CompatibilityVolvo Penta D6A, D70, D7C, TD101G, TD102K, TD121, TD70, AQAD40A, AQAD40B
ConditionNew — OEM specification aftermarket

Failure Symptoms

An engine that runs consistently too cool or takes an excessively long time to reach operating temperature is a primary symptom of a thermostat stuck open. If the thermostat sticks closed, the engine will quickly overheat. Ignoring these symptoms can lead to poor fuel economy, increased emissions, or severe engine damage from overheating.

Installation Tip

Ensure the thermostat is installed in the correct orientation, as indicated by any markings or the design of the housing, to allow proper coolant flow. Do not force the thermostat into the housing if it does not seat easily; check for obstructions.

Service Note

Flush the cooling system and replace the engine coolant when replacing the thermostat to ensure optimal heat transfer and corrosion protection.