Skip to content
ONE-STOP EXCAVATOR & DIESEL ENGINE PARTS SOLUTION EXPERT | GUANGZHOU, CHINA
Request Quote

Diesel Engine Parts

Nissan Industrial Engine K25 Water Pump 21010-fu425 | High-Performance Cooling System Part

MOQ: 1pcs Price: Negotiable
Part No.
21010-fu425
Engine Model
Nissan K25
Application
Industrial Engine Cooling System
Material
Cast Iron Housing / Steel Impeller
Chat on WhatsApp

Send OEM number, quantity, destination, or photos. We will reply with quotation, lead time, and fitment notes.

Fitment check OEM number, engine model, and machine model confirmation.
Manual quote Price, MOQ, stock, lead time, and replacement options.
Export support Packing notes, mixed order support, and shipping details.

Product Details

K25 Water Pump 21010-fu425 For Nissan Industrial Engine Parts

Product Overview

This Nissan Industrial Engine Water Pump, part number 21010-fu425, is a precision-engineered cooling system component specifically designed for the renowned Nissan K25 diesel engine. As a critical part for maintaining optimal engine temperature, this water pump ensures reliable performance in demanding industrial applications. We serve a global B2B clientele, with major markets in North America, Europe, Southeast Asia, and the Middle East, providing fast and reliable shipping to industrial hubs worldwide.

Key Features & Benefits

  • OEM-Quality Fitment: Manufactured to meet or exceed original Nissan specifications for seamless installation and function.
  • Durable Construction: Features a robust cast-iron housing and a high-grade steel impeller for long service life under heavy loads.
  • Superior Coolant Flow: Precision-machined impeller and sealed bearings ensure consistent coolant circulation, preventing overheating.
  • Enhanced Durability: Equipped with a premium mechanical seal to resist leaks and withstand high-temperature operating conditions.
  • Rigorous Testing: Each unit undergoes pressure, flow rate, and leak testing to guarantee performance and reliability.

Technical Specifications

Specification Detail
Part Number 21010-fu425
Engine Model Nissan K25
Material Cast Iron Housing / Steel Impeller
Seal Type Mechanical (Ceramic/Carbon)
Bearing Type Double-Sealed Ball Bearing
Weight Approx. 2.5 kg
Application Industrial Engine Cooling System

OEM Cross-Reference

This water pump is a direct replacement for the following OEM part numbers:

  • Nissan OEM: 21010-fu425

Please verify your original part number for complete compatibility.

Compatibility

This water pump is specifically designed for the Nissan K25 Industrial Diesel Engine. Common applications include:

  • Nissan Forklifts (e.g., 1F2, 1F3, 2F2, 2F3 series)
  • Nissan Industrial Generators
  • Nissan Construction & Agricultural Machinery

Global Supply & Distribution

We are a leading supplier of Nissan industrial engine parts with a robust global distribution network. Our capabilities include:

  • Worldwide Shipping: Reliable logistics via air, sea, and express courier to over 50 countries.
  • Major Markets Served: North America, Europe (EU & UK), Asia-Pacific, Middle East (UAE, Saudi Arabia, Qatar), and Africa.
  • Fast Delivery: Stocked inventory ensures quick dispatch to major ports and industrial centers.
  • Trade Compliance: Experienced in international export documentation and customs clearance.

Quality Assurance

We prioritize quality to ensure your engine operates reliably. Our commitment includes:

  • Manufacturing Standards: Produced in ISO 9001 certified facilities, ensuring consistent quality control.
  • Testing: 100% tested for pressure, flow rate, and leak integrity before shipment.
  • Warranty: Backed by a comprehensive 12-month warranty against manufacturing defects.

FAQ

Q1: Is this water pump a direct replacement for the Nissan K25 engine?
A1: Yes, part number 21010-fu425 is a direct OEM replacement. It is designed to bolt on without modifications, matching the exact dimensions and flow specifications of the original Nissan part.

Q2: What are the signs that my K25 water pump needs replacement?
A2: Common indicators include coolant leaks from the pump weephole, unusual bearing noise (squealing or grinding), engine overheating, or visible corrosion on the pump housing. We recommend replacing the pump and thermostat together during major service.

Q3: What maintenance is recommended after installing a new water pump?
A3: After installation, use the correct Nissan-specified coolant mixture (typically 50/50 antifreeze and distilled water). Run the engine to operating temperature, check for leaks, and ensure the cooling system is properly bled of air. Regularly inspect the drive belt tension and condition.

WhatsApp