Product Overview

This is a high-performance OEM-specification water pump engineered for Mitsubishi S4S series diesel engines. Designed for durability and reliability in demanding industrial and commercial applications, this component is a critical part of your engine’s cooling system. We supply this part globally to major markets including North America, Europe, the Middle East, and Asia-Pacific, ensuring fast delivery to key industrial ports and logistics hubs for B2B clients and distributors.

Key Features & Benefits

• OEM Performance & Fit: Manufactured to original equipment specifications, ensuring perfect fitment, optimal coolant flow, and reliable operation without modification.
• Enhanced Durability: Built with high-grade materials to withstand the high temperatures and pressures of diesel engine operation, extending service life.
• Precision Engineering: Ensures consistent coolant circulation for effective engine temperature regulation, preventing overheating and protecting critical engine components.
• Global Supply Ready: Packaged for international shipping and compliant with export standards, making it ideal for wholesalers, repair shops, and fleet operators worldwide.

Technical Specifications

OEM Cross-Reference

This water pump is a direct replacement for the following OEM part numbers. Ensure compatibility by cross-referencing with your original part.

• 32A45-00010
• 32A45-00040
• 34545-10017
• 32A45-00022

Compatibility

Engine Application: Specifically designed for the Mitsubishi S4S diesel engine model.

Vehicle & Machinery Application: This part is commonly used in a wide range of heavy-duty equipment powered by the S4S engine, including but not limited to:

• Excavators
• Trucks
• Forklifts
• Bulldozers
• Buses
• Loaders
• Other Industrial Machinery

Note: Always verify the specific engine model in your equipment before ordering.

Global Supply & Distribution

We are a professional exporter of heavy-duty engine components with extensive experience in international B2B trade. Our logistics network supports efficient shipping to all major global markets.

• Primary Service Regions: North America (USA, Canada, Mexico), European Union, United Kingdom, Australia, Middle East (UAE, Saudi Arabia), Southeast Asia, and South America.
• Fast Delivery: We prioritize shipments to major industrial ports and inland freight hubs to minimize lead times for your operations.
• Trade Compliance: All exports are handled with complete commercial documentation (Invoice, Packing List, COO) in compliance with international shipping regulations.

Quality Assurance

We stand behind the quality and performance of our parts to ensure they meet the demands of professional use.

• Warranty: Backed by a 6-month warranty against manufacturing defects.
• Testing & Inspection: Each batch undergoes rigorous machinery testing. A detailed machinery test report is available upon request.
• Outgoing Inspection: Video documentation of the outgoing inspection process is provided to guarantee the part meets specified standards before shipment.
• Manufacturing: Produced in ISO-certified facilities utilizing precision tooling and quality-controlled materials.

FAQ

Q: How do I confirm this water pump is compatible with my specific Mitsubishi S4S engine?
A: The surest method is to cross-reference the part number stamped on your original, failed water pump with the OEM numbers listed in the “OEM Cross-Reference” section above (32A45-00010, 32A45-00040, etc.). Matching one of these numbers confirms direct fitment.

Q: What documentation and support come with the part for international buyers?
A> For B2B clients, we provide full export documentation including a commercial invoice, packing list, and certificate of origin. We also supply the machinery test report and video of the outgoing inspection for quality verification, which is crucial for import procedures and quality assurance protocols.

Q: What is the recommended maintenance check for this component once installed?
A> During routine engine maintenance, visually inspect the water pump for any signs of coolant leakage from the seal or bearing. Listen for unusual noises from the bearing area, which may indicate wear. Always ensure the cooling system is bled of air after installation to prevent cavitation and premature failure.

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 .