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21404502 (VOE21404502) Premium Engine Water Pump - High-Flow Heavy-Duty Coolant Pump Assembly for VOLVO EC210B, EC240B & EC290B Excavators

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  2. 21404502 (VOE21404502) Premium Engine Water Pump - High-Flow Heavy-Duty Coolant Pump Assembly for VOLVO EC210B, EC240B & EC290B Excavators
21404502 (VOE21404502) Premium Engine Water Pump - High-Flow Heavy-Duty Coolant Pump Assembly for VOLVO EC210B, EC240B & EC290B Excavators

Prevent engine overheating and maintain peak thermal stability with our premium Engine Water Pump 21404502 (VOE21404502). Precision-cast for VOLVO EC210B, EC240B, and EC290B excavators running D4D/D6D/D7D engines, this high-flow centrifugal pump replaces historical parts 21247955 and 20459004 seamlessly. Engineered with heavy-duty silicon carbide mechanical seals to eliminate coolant leaks. Factory-direct B2B wholesale pricing with international delivery. Contact us today for bulk inventory quote packages!

Technical Specifications: Premium Heavy-Duty Centrifugal Engine Water Pump (21404502 / VOE21404502)

Premium Heavy‑Duty Centrifugal Engine Water Pump (21404502 / VOE21404502) — Thermal Regulation Solution

Our Premium Heavy‑Duty Centrifugal Engine Water Pump (Part Number: 21404502 / VOE21404502) is a high‑capacity cooling component that drives coolant circulation through the engine block, oil cooler and radiator. Designed for VOLVO D4D, D6D, D7D and D7A diesel engines, it maintains stable coolant flow under heavy‑load conditions, preventing hot‑spot overheating, cylinder‑head deformation and engine damage in construction and mining applications.

Core Technical Advantages

  • Precision‑Balanced Anti‑Cavitation Impeller: Optimized blade geometry improves fluid delivery efficiency, avoiding cavitation damage and ensuring stable cooling performance during rapid load changes.

  • Silicon‑Carbide High‑Wear Mechanical Seal: Premium face seal prevents coolant leakage, isolates bearings from water corrosion and extends overall service life.

  • Hardened Steel Shaft & Dual‑Row Bearing Assembly: Heavy‑duty bearing structure resists radial belt tension, eliminating shaft deflection and bearing clearance under continuous vibration.

  • Pre‑Included High‑Temperature Composite Gasket: Die‑cut sealing gasket ensures leak‑free installation between the pump housing and engine timing‑cover surface.

Technical Specifications

Engineering ParameterTechnical Data / Specification Details
OEM Part Number21404502 / VOE21404502
Legacy VOLVO Part Numbers21247955, 20459004, 20726092, 21083292, 21125771, 3668561, 20502535
Component TypeHeavy‑Duty Centrifugal Engine Cooling Water Pump
Housing MaterialHigh‑Strength Gray Cast Iron Alloy
Sealing SystemSilicon‑Carbide Mechanical Seal + Pre‑Installed Mounting Gasket
Compatible Engine SeriesVOLVO D4D, D6D, D7D, D7A & TAD‑series industrial engines

Master Application Fleet Guide

  • 1) VOLVO Crawler Excavators:
    Global High‑Volume Excavators: EC210B, EC240B, EC290B
    Mid‑Size Construction Excavators: EC140B, EC170D, EC200B, EC220D, EC240C

  • 2) VOLVO Wheeled Excavators & Backhoe Loaders:
    EW‑series wheeled excavators
    BL60B, BL70B backhoe loaders

  • 3) Volvo Penta Industrial Power Units:
    Stationary generator sets and marine auxiliary engines with D6/D7‑series powertrains

Professional Tech Note:
Typical water‑pump failure signs include coolant leakage from the weep hole, abnormal bearing noise, shaft wobble and engine overheating. A faulty pump may cause cylinder‑block cracking or engine seizure. During cooling‑system overhaul, replace the gasket, inspect the serpentine belt and tensioner (22089205), and flush the cooling circuit completely. Verify machine Serial Number (S/N) for exact housing fit prior to bulk ordering.

Global Brand Cross-Reference Matrix

BrandCross‑Reference Part Numbers
VOLVO OEM Current Part21404502 / VOE21404502
VOLVO Legacy Interchange Parts21247955, 20459004, 20726092, 21083292, 21125771, 3668561, 20502535
Commercial Inquiry & Global Logistics:
Supplier: Xuzhou Sinoswift Import & Export Co., Ltd.
Contact: +86 13701956981
Email: [email protected]
Logistics: Global Sea Freight and Fast‑Track Industrial Express Ready

All manufacturer names, model series and part numbers are used for compatibility reference only. This water pump is engineered for VOLVO D4‑/D6‑/D7‑series diesel engine platforms. For custom cooling‑system components or special‑spec pulley configurations, please consult our technical team for tailored solutions.

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