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Diesel Engine Parts

Kubota V2403 V2203 Water Pump 1G730-73030 1A051-73030 for V2403-M-T Series Diesel Engine

MOQ: 1pcs Price: Negotiable
Part No.
1G730-73030, 1A051-73030
Engine Model
V2403, V2403-M, V2403-T, V2403-M-T, V2203, V2203-M, V2203-T
Material
Cast Iron Housing / Steel Impeller
Category
Diesel Engine Parts
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Product Details

V2403-3 V2403-4 V2403-5 V2403-6 V2403-7 V2403-8 Water Pump 1g730-73030 1a051-73030 For Kubota V2403 V2203 Series Diesel Engine

Product Overview

This high-quality water pump is a direct replacement for Kubota V2403 and V2203 series diesel engines, including variants V2403-3, V2403-4, V2403-5, V2403-6, V2403-7, and V2403-8. Designed for reliable cooling system performance, this pump ensures optimal engine temperature regulation for excavators, tractors, and industrial machinery. We supply globally to markets in North America, Europe, Asia-Pacific, the Middle East, and South America, with fast shipping to major industrial centers.

Key Features & Benefits

  • Precision Engineering: Manufactured to meet or exceed OEM specifications for perfect fit and function.
  • Durable Construction: Features a robust cast iron housing and a precision-sealed bearing for long service life.
  • Corrosion Resistance: Treated surfaces resist rust and wear, ensuring consistent coolant flow under harsh conditions.
  • Direct Replacement: Bolt-on installation with no modifications required; includes necessary gaskets for a complete seal.
  • Enhanced Cooling Efficiency: Optimized impeller design maximizes coolant circulation, reducing engine overheating risk.

Technical Specifications

Specification Details
Part Number 1G730-73030, 1A051-73030
Engine Models V2403, V2403-M, V2403-T, V2403-M-T, V2203, V2203-M, V2203-T
Material Cast Iron Housing / Steel Impeller
Bearing Type Double-Sealed Ball Bearing
Gasket Included Yes
Weight 1.2 kg (approx.)

OEM Cross-Reference

This water pump replaces the following OEM numbers:

  • 1G730-73030
  • 1A051-73030
  • 1G730-73031 (alternative)
  • 1A051-73031 (alternative)

Also compatible with aftermarket numbers: V2403-3, V2403-4, V2403-5, V2403-6, V2403-7, V2403-8.

Compatibility

Engine Models: Kubota V2403, V2403-M, V2403-T, V2403-M-T, V2203, V2203-M, V2203-T series diesel engines.

Vehicle Applications: Kubota excavators (e.g., KX-series, U-series), tractors (e.g., L-series, M-series), skid steer loaders, and industrial generators. Also fits many compact construction and agricultural machines using these engines.

Global Supply & Distribution

  • Worldwide Shipping: We ship to over 50 countries, including the United States, Canada, Germany, Australia, Japan, UAE, and Brazil.
  • Major Ports & Industrial Centers: Fast delivery to Los Angeles, Rotterdam, Shanghai, Dubai, Santos, and more.
  • Export Experience: Over 10 years of international trade, ensuring customs compliance and safe packaging.
  • Bulk Orders: Volume discounts available for workshops and distributors.

Quality Assurance

  • Manufacturing Standards: Produced in ISO 9001 certified facilities with strict quality control.
  • Warranty: 12-month warranty against manufacturing defects.
  • Testing: Each pump undergoes pressure and flow testing to ensure leak-free operation.

FAQ

1. Is this water pump a direct fit for my Kubota V2403 engine?
Yes, this pump is designed as a direct OEM replacement for Kubota V2403 and V2203 series engines. It matches the mounting holes and coolant inlet/outlet positions exactly. Always verify your engine model number (e.g., V2403-M-T) before purchase.

2. Does the pump include a gasket, and what maintenance is recommended?
Yes, a high-quality gasket is included. We recommend replacing the coolant and thermostat at the same time for best performance. Check the pump for leaks after installation and tighten bolts to the manufacturer’s torque spec.

3. How do I confirm this pump fits my specific machine model?
Cross-reference your engine’s serial number with our part numbers (1G730-73030 or 1A051-73030). If your machine uses a Kubota V2403 or V2203 engine, this pump is compatible. For non-standard applications, contact our support team with your engine details.

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 .