Product Overview

This is a premium replacement water pump engineered for Cummins B3.3 series diesel engines, widely used in compact tractors and industrial equipment. We supply this critical cooling system component to a global network of distributors, repair shops, and OEM service centers, with major markets including North America, Europe, the Asia-Pacific region, and the Middle East.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM specifications to ensure perfect fitment, optimal coolant flow, and reliable engine temperature regulation.
• Enhanced Durability: Constructed with high-grade materials and sealed bearings to withstand high RPMs, thermal stress, and corrosive coolants for extended service life.
• Optimal Engine Performance: Maintains consistent engine operating temperature, preventing overheating and ensuring maximum fuel efficiency and power output from the Cummins B3.3 engine.
• Direct Replacement: Designed as a direct bolt-on component, requiring no modifications for a straightforward installation process.

Technical Specifications

OEM Cross-Reference

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

• Cummins: 3800883, 4981207

Compatibility

This water pump is compatible with equipment powered by the Cummins B3.3 diesel engine. Common applications include:

• Compact and utility tractors from various manufacturers.
• Industrial machinery such as small excavators, generators, and pumps.
• Typically fits models manufactured throughout the B3.3 engine’s production cycle. Please verify your engine’s serial number for absolute confirmation.

Global Supply & Distribution

We are a specialist supplier for the global heavy equipment aftermarket. Our logistics network ensures efficient delivery to key industrial hubs and ports worldwide.

• Worldwide Shipping: We export to all major markets, including the USA, Canada, Germany, Australia, UAE, and Southeast Asia.
• Fast Delivery: Stock is available for prompt shipment, with optimized routes to major logistical centers to reduce lead times.
• Export Compliance: All documentation (commercial invoice, packing list, certificate of origin) is prepared to full international standards for smooth customs clearance.

Quality Assurance

• Manufacturing Standards: Produced under strict quality control protocols to meet or exceed original performance specifications.
• Rigorous Testing: Each pump undergoes performance testing for seal integrity, bearing operation, and impeller balance.
• Warranty: Backed by a standard replacement warranty. Contact us for specific warranty terms applicable to your region.

FAQ

Q: How can I confirm this water pump fits my specific Cummins B3.3 engine?
A: The surest method is to cross-reference your engine’s serial number (ESN) and the part number of the existing pump (either 3800883 or 4981207). You can also provide your equipment model for our technical team to verify.

Q: Is the gasket or mounting hardware included with this water pump?
A> This product is typically supplied as the pump assembly only. We recommend using a new gasket and inspecting mounting bolts during installation. These items are often available as separate kits; please inquire if you require a complete installation package.

Q: What are the signs that my Cummins B3.3 water pump needs replacement?
A: Common indicators include coolant leakage from the pump’s weep hole, bearing noise (grinding or whining), engine overheating, and excessive play in the pump pulley. Regular inspection during routine maintenance is advised.

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 .