Product Overview

This is a premium replacement piston engineered specifically for the Kubota V3800 series diesel engines. Designed to meet or exceed original equipment specifications, this piston is a critical component for engine rebuilds and overhauls. We supply this part globally to professional workshops, heavy machinery dealers, and fleet operators across major industrial markets, ensuring reliable performance in demanding applications.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM dimensions and tolerances for a perfect fit and optimal engine performance.
• Superior Durability: Constructed from high-grade materials to withstand the high compression and thermal stresses of diesel operation, ensuring long service life.
• Enhanced Performance: Restores engine compression and power output, improving fuel efficiency and operational reliability.
• Direct Replacement: Designed as a direct, bolt-on replacement part, eliminating the need for modifications and simplifying the installation process.
• Cost-Effective Solution: Provides a reliable, high-quality alternative to genuine parts, offering significant value for maintenance budgets.

Technical Specifications

OEM Cross-Reference

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

• Kubota: 1J550-21110
• Kubota: 1J550-21112

Always verify the part number from your original engine or service manual before ordering.

Compatibility

Compatible Engine Models: This piston is designed for use in Kubota V3800 and V3800T series diesel engines.

Vehicle & Machinery Applications: This engine is commonly found in a wide range of industrial and commercial equipment, including but not limited to:

• Excavators
• Trucks
• Forklifts
• Bulldozers
• Buses
• Loaders (Wheel Loaders, Skid Steer Loaders)
• Agricultural Machinery
• Generators and Power Units

Global Supply & Distribution

We are a leading supplier of heavy-duty engine components with extensive experience in international B2B trade. Our logistics network ensures efficient delivery to key industrial regions worldwide.

• Worldwide Shipping: We export to North America, Europe, Asia-Pacific, the Middle East, Africa, and South America.
• Major Port Delivery: We ensure fast container and LCL shipments to major global ports including Los Angeles, Rotterdam, Singapore, Dubai, and Sydney.
• Trade Compliance: All shipments are prepared with complete and accurate commercial documentation (Packing List, Commercial Invoice, Certificate of Origin) to ensure smooth customs clearance.
• Bulk Order Support: Dedicated support for large-volume purchases and consistent supply for fleet operations.

Quality Assurance

We are committed to providing components that meet the highest standards of quality and reliability.

• Manufacturing Standards: Produced in ISO-certified facilities using advanced machining and quality control processes.
• Testing & Inspection: Each batch undergoes rigorous machinery testing. A detailed Machinery Test Report and Video Outgoing-Inspection are provided to verify dimensional accuracy and quality.
• Warranty: Backed by a 6-month warranty against manufacturing defects, providing peace of mind for your investment.

FAQ

Q: How do I confirm this piston is the correct part for my Kubota V3800 engine?
A: The most reliable method is to cross-reference the part number stamped on your original piston or listed in your engine’s official service manual with our listed numbers (1J550-21110 or 1J550-21112). You can also confirm your engine’s full model designation (e.g., V3800-T).

Q: Is this piston sold as a single unit or as a set?
A> This piston is sold as a single item. For a complete engine overhaul, you will typically need one piston per cylinder. We recommend replacing all pistons in an engine simultaneously for balanced performance and wear.

Q: What other components should I replace when installing a new piston?
A> For optimal engine life and performance, we strongly recommend replacing the piston rings, wrist pin, and cylinder liner at the same time. Always inspect the connecting rod bearings. Using a matched set of components ensures proper sealing, lubrication, and longevity.

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 .