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Diesel Engine Parts

Cummins QSB4.5/6BT/ISB Engine Water Pump 4891252 3800984 3286278 for Hyundai Excavator

MOQ: 1pcs Price: Negotiable B2B inquiry quote
Part No.
4891252 / 3800984 / 3286278
Engine Model
Cummins QSB4.5, 6BT 5.9, ISB 5.9L, QSB6.7
Application
Hyundai Excavator & Construction Machinery
Material
Cast Iron Housing / Steel Impeller
Warranty
12 Months
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Product Details

Engine Water Pump 4891252 3800984 3286278 For Cummins Qsb4.5 6bt 5.9 Qsb6.7 Construction Parts Isb 5.9l 6.7l Hyundai Excavator

Product Overview

This high-quality engine water pump is specifically engineered for Cummins B-series diesel engines, including the QSB4.5, 6BT 5.9, ISB 5.9L, and QSB6.7 platforms. Designed for heavy-duty applications, this pump is a critical component for cooling systems in Hyundai excavators and other construction machinery. We offer global shipping with fast, reliable delivery to major industrial hubs in North America, Europe, Asia-Pacific, the Middle East, and South America.

Key Features & Benefits

  • OEM Standard Fitment: Manufactured to meet or exceed original Cummins specifications for direct bolt-on replacement.
  • Superior Construction: Features a precision-cast housing and a heavy-duty bearing system for extended service life under high-stress conditions.
  • Enhanced Cooling Efficiency: Optimized impeller design ensures maximum coolant flow to prevent engine overheating, even in demanding excavator operations.
  • Durable Seal Technology: Utilizes a high-temperature resistant mechanical seal to prevent leaks and ensure long-term reliability.
  • Rigorous Testing: Every unit undergoes pressure and performance testing to guarantee zero defects before shipment.

Technical Specifications

Specification Detail
Part Number 4891252 / 3800984 / 3286278
Engine Model Cummins QSB4.5, 6BT 5.9, ISB 5.9L, QSB6.7
Application Hyundai Excavator & Construction Machinery
Material Cast Iron Housing / Steel Impeller
Gasket Included Yes
Warranty 12 Months

OEM Cross-Reference

This water pump replaces the following genuine Cummins and OEM part numbers:

  • Cummins: 4891252, 3800984, 3286278
  • Hyundai: 11N6-90020, 11N6-90030
  • Alternative Numbers: 3970732, 3970733

Compatibility

  • Engine Models: Cummins 6BT 5.9L, QSB4.5, QSB6.7, ISB 5.9L, ISB 6.7L
  • Vehicle/Equipment: Hyundai Excavators (R210, R220, R260, R290 Series), Hyundai HL Series Wheel Loaders
  • Note: Confirms fitment for most B-series engines used in off-highway construction equipment from 1998 to 2018.

Global Supply & Distribution

We are a dedicated supplier of heavy-duty diesel engine parts with a robust global logistics network. Our distribution capabilities include:

  • Worldwide Shipping: Reliable express and freight options to over 50 countries.
  • Major Markets: Extensive supply to North America (US, Canada), Europe (Germany, UK, Netherlands), Asia-Pacific (Australia, Singapore, Japan), and the Middle East (UAE, Saudi Arabia).
  • Fast Delivery: Stock held in regional warehouses for rapid dispatch to major ports like Los Angeles, Rotterdam, and Shanghai.
  • Trade Compliance: Experienced in international export documentation and customs clearance for B2B transactions.

Quality Assurance

  • Manufacturing Standard: Produced in ISO 9001:2015 certified facilities.
  • Certifications: Parts meet or exceed SAE and ASTM material standards.
  • Warranty: 12-month warranty against manufacturing defects in materials and workmanship.
  • Testing: 100% factory tested for leak integrity and rotational balance.

FAQ

Q1: Will this water pump fit my Cummins 6BT engine in a Hyundai R210 excavator?
Yes, this pump (4891252/3800984) is a direct replacement for the Cummins 6BT 5.9L engine commonly found in Hyundai R210-7 and R210-9 excavators. Please verify your existing part number before purchase.

Q2: What is included in the package? Does it come with a gasket?
The package includes the water pump assembly and a high-quality gasket. We recommend replacing the coolant and thermostat at the same time for optimal cooling system performance.

Q3: How long does shipping take to a port in Europe?
Standard shipping to major European ports (e.g., Rotterdam, Hamburg) typically takes 7-15 business days via express freight. Expedited air freight options are available for urgent orders.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .