
Product Overview
This is a premium replacement water pump engineered for Hino diesel engines, designed to meet the rigorous demands of commercial and industrial applications. As a global supplier of heavy-duty engine components, we provide reliable parts to major markets worldwide, ensuring your machinery maintains optimal performance and cooling efficiency.
Key Features & Benefits
- Precision Engineering: Manufactured to exact OEM specifications for a perfect fit and reliable operation.
- Enhanced Durability: Constructed with high-grade materials and sealed bearings to resist corrosion and wear, extending service life.
- Optimal Cooling Performance: Ensures consistent coolant flow to prevent engine overheating and protect critical components.
- Direct Replacement: Designed as a direct bolt-on replacement, minimizing downtime during installation.
- Rigorously Tested: Each unit undergoes pressure and performance testing to ensure reliability before shipment.
Technical Specifications
| Specification | Detail |
|---|---|
| Primary Part Number | 16100-3801 |
| Alternative Part Number | 16100-3632 |
| Compatible Engine Family | Hino J-Series / N-Series |
| Application | Water Pump / Coolant Pump |
| Vehicle/Equipment Type | Excavators, Trucks, Buses, Industrial Power Units |
OEM Cross-Reference
This high-quality aftermarket water pump directly replaces the following OEM part numbers:
- Hino: 16100-3801, 16100-3632
Note: Always verify part number compatibility with your specific engine serial number before purchase.
Compatibility
This water pump is designed for Hino diesel engines found in a wide range of equipment. Primary compatibility includes:
- Engine Models: Hino EL100, EC100, M10C, 22T series engines.
- Vehicle Applications: Commonly fitted in Hino 300 Series, 500 Series trucks, and various excavator models utilizing these engine families.
- Typical Use: Ideal for maintenance, repair, and overhaul (MRO) of cooling systems in construction, logistics, and municipal fleet vehicles.
Global Supply & Distribution
We are a trusted partner in the global heavy equipment supply chain. Our logistics network ensures efficient delivery to key industrial regions:
- Worldwide Shipping: We export to North America, Europe, Asia-Pacific, the Middle East, Africa, and South America.
- Major Port Access: Fast containerized shipping to major hubs including Rotterdam, Los Angeles, Singapore, Dubai, and Hamburg.
- B2B Expertise: Experienced in international trade documentation, customs compliance, and providing commercial invoices for smooth clearance.
- Stock Availability: Maintained inventory allows for prompt dispatch to minimize equipment downtime for our global clients.
Quality Assurance
Our commitment to quality ensures you receive a component you can depend on:
- Manufacturing Standards: Produced in ISO-certified facilities using advanced CNC machining and quality control protocols.
- Performance Warranty: Backed by a standard warranty against manufacturing defects. Contact us for specific warranty terms.
- Testing: Components are subject to dimensional checks, seal integrity tests, and dynamic balancing to ensure OEM-level performance.
FAQ
Q1: How do I confirm this water pump fits my specific Hino engine?
A1: The most reliable method is to cross-reference the part number currently on your old pump. Match it with our listed numbers (16100-3801 or 16100-3632). Additionally, verify your engine model (e.g., EL100) and serial number. Our technical team can assist with verification if you provide these details.
Q2: Is this a complete kit, or are additional gaskets or bolts required for installation?
A2: This product is typically sold as the water pump assembly itself. For a proper installation, we recommend also purchasing a new gasket/seal kit and inspecting the mounting bolts. Using new seals is crucial to prevent coolant leaks.
Q3: What is the typical lead time for delivery to [Europe/North America/Asia]?
A3: Lead times vary by destination and shipping method. For standard sea freight to major ports in Europe or North America, expect approximately 25-35 days. For faster delivery, air freight options are available, typically taking 5-10 business days. Contact us for a precise quote based on your location and order volume.
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 .