Product Overview

This premium Diesel Injection Pump Plunger K334 is a high-precision replacement component engineered for Kubota V2203MDI diesel engines. Manufactured to strict OEM specifications (140163-4220 / 9410618122), this A Series pump plunger element delivers reliable fuel metering and injection pressure for optimal engine performance. Our components are exported globally, serving major markets including North America, Europe, Southeast Asia, the Middle East, and Africa, with a strong supply chain ensuring fast delivery to industrial hubs and major ports worldwide.

Key Features & Benefits

• Precision Engineering: Manufactured from high-speed steel for exceptional wear resistance and dimensional stability under high-pressure injection cycles.
• 100% Professional Tested: Each plunger undergoes rigorous quality inspection to guarantee precise fitment and leak-free operation.
• Direct OEM Replacement: Matches original Kubota specifications (Part #140163-4220) for seamless installation and reliable performance.
• Enhanced Durability: Designed for long service life in demanding diesel engine applications, reducing downtime and maintenance costs.
• Standard Size Fitment: Manufactured to standard dimensions for direct replacement without modification.

Technical Specifications

OEM Cross-Reference

This pump plunger element is a direct cross-reference for the following OEM part numbers:

• K334 – Manufacturer Part Number
• 140163-4220 – Kubota / Diesel Kiki OEM Number
• 9410618122 – Alternative OEM Reference

These numbers ensure compatibility with the original fuel injection pump assembly for Kubota V2203MDI engines.

Compatibility

• Engine Model: Kubota V2203MDI (Direct Injection Diesel Engine)
• Vehicle Fitment: Diesel-powered equipment using Kubota V2203MDI engines, including industrial machinery, agricultural tractors, generators, and construction equipment.
• Injection System: Designed for A Series pump plunger assemblies in mechanical fuel injection systems.

Global Supply & Distribution

We maintain a robust global supply network to serve B2B customers across all major industrial regions:

• North America: Fast shipping to USA, Canada, and Mexico via air and sea freight.
• Europe: Reliable delivery to EU countries, UK, and Eastern Europe.
• Asia-Pacific: Direct supply to Japan, South Korea, Australia, and Southeast Asian markets.
• Middle East & Africa: Efficient logistics to UAE, Saudi Arabia, South Africa, and Nigeria.
• South America: Serving Brazil, Argentina, and Chile with competitive transit times.

Our export experience ensures smooth customs clearance and compliance with international trade standards. Typical delivery time is 3-7 working days for in-stock items.

Quality Assurance

• Manufacturing Standards: Produced in ISO-compliant facilities using precision grinding and heat treatment processes.
• Testing: Each plunger is 100% professionally tested for dimensional accuracy, surface finish, and pressure integrity before shipment.
• Warranty: Backed by a 6-month warranty against manufacturing defects, ensuring peace of mind for bulk buyers.
• Material Certification: High-speed steel construction meets industry standards for hardness and wear resistance.

FAQ

Q1: Is this pump plunger a direct replacement for the original Kubota part?
Yes, this plunger (K334 / 140163-4220) is manufactured to OEM specifications and is a direct drop-in replacement for the Kubota V2203MDI injection pump. It matches the original dimensions and material grade, requiring no modifications for installation.

Q2: What is the recommended installation procedure?
Installation should be performed by a qualified diesel mechanic. Ensure the injection pump housing and bore are clean and free of debris. Lubricate the plunger with clean diesel fuel or assembly oil before insertion. Follow the engine service manual for proper timing and torque specifications. Always replace the plunger and barrel set together for optimal performance.

Q3: How can I verify the quality of this plunger before bulk ordering?
We offer sample orders for quality validation. Each plunger is 100% professionally tested for surface finish, hardness, and dimensional accuracy. For bulk orders, we can provide material test certificates and inspection reports upon request. Our 6-month warranty covers any manufacturing defects.

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 .