VolvoHydraulic Parts

21951362 — Sea Water Pump Impeller For Volvo Penta 21951362 Sierra 18-3275

This is a robust sea water pump impeller, a critical component in the engine's cooling system responsible for circulating coolant through the heat exchanger. Manufactured from high-grade rubber compounds, it provides excellent resistance to wear and tear from abrasive sea water, unlike brittle or cracked impellers that can lead to reduced coolant flow. Symptoms of a worn impeller include engine overheating, a lack of water flow from the exhaust, and unusual noises from the pump housing.

Sea Water Pump Impeller For Volvo Penta 21951362 Sierra 18-3275 – Part No 21951362 – Volvo Spare Part
Part Specifications
BrandVolvo
CategoryHydraulic 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

Flush hydraulic lines before fitting new components. Use only manufacturer-specified hydraulic fluid. Check O-rings and backup rings for correct orientation. Bleed air from system after installation.

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

Part TypeSea Water Pump Impeller
MaterialHigh-grade Rubber
ApplicationEngine Cooling System
Service LifeReplace every 1-2 years or as needed
CompatibilityVolvo Penta 21951362, Sierra 18-3275
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of a worn sea water pump impeller is often a gradual increase in engine operating temperature. If the impeller fails completely, coolant circulation will cease, leading to rapid overheating and potential engine seizure. This can result in significant repair costs and extended downtime.

Installation Tip

Before removing the old impeller, note its orientation relative to the drive shaft keyway. Ensure the inside of the pump housing is clean and free of debris before installing the new impeller.

Service Note

Inspect the sea water pump housing and shaft seal for any signs of wear or leakage when replacing the impeller.