VolvoEngine Parts

3850360 — Thermostat Housing Kit 3850360 3856961 For Volvo Penta V6 V8 4.3L 5.0L 5.7L 7.4L 8.2L Engine

This thermostat housing kit is essential for regulating the engine's operating temperature by controlling the flow of coolant. It houses the thermostat and provides the necessary connections for the cooling system hoses. A leaking or cracked housing can lead to coolant loss and overheating, while a stuck thermostat will cause the engine to run too hot or too cold, impacting performance and fuel efficiency.

Thermostat Housing Kit 3850360 3856961 For Volvo Penta V6 V8 4.3L 5.0L 5.7L 7.4L 8.2L Engine – Part No 3850360 – 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 Housing Kit
MaterialAluminum alloy
ApplicationEngine cooling system
Service LifeReplace every 2-3 years or as indicated by inspection
CompatibilityVolvo Penta specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Visible coolant leaks around the housing or a consistently high or low engine temperature gauge are common signs of a faulty thermostat housing. If ignored, persistent overheating can lead to severe engine damage, while a stuck-open thermostat will reduce engine efficiency and increase wear.

Installation Tip

Ensure the mating surfaces on both the engine block and the housing are perfectly clean and smooth before installation. Use a new gasket and tighten bolts in a star pattern to ensure even pressure distribution.

Service Note

Always replace the thermostat and inspect the radiator hoses whenever the thermostat housing is serviced.