
Product Overview
This is a premium replacement piston engineered for Kubota D1402, V1902, and S2800 series diesel engines. Manufactured to exact OEM specifications, it ensures optimal compression, durability, and performance in demanding industrial and vehicular applications. We supply this critical engine component globally, with extensive experience serving major markets across North America, Europe, Asia-Pacific, and the Middle East.
Key Features & Benefits
- Precision Engineering: Manufactured to strict OEM dimensions and tolerances for a perfect fit and reliable performance.
- Enhanced Durability: Constructed from high-grade materials to withstand high compression and thermal stresses within the diesel combustion chamber.
- Optimal Engine Performance: Designed to restore factory-level compression ratios, fuel efficiency, and power output.
- Direct OEM Replacement: Serves as a direct substitute for the original part, ensuring compatibility and ease of installation.
- Rigorous Quality Control: Each piston undergoes thorough inspection and testing to meet performance benchmarks.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Type | Engine Piston |
| Primary Part Number | 15521-21110 |
| Compatible Engine Models | Kubota D1402, V1902, S2800 |
| Engine Type | Diesel |
| Size | OEM Standard Size |
| Weight (Approx.) | 2 kg |
| Packing | Plastic Bag, Box, Carton |
| Place of Origin | Guangdong, China |
OEM Cross-Reference
This piston is a direct replacement for the following OEM part numbers:
- 15521-21110 (Primary Reference)
- 19274-21110
- 19439-21110
Compatibility
Compatible Kubota Engine Models: D1402, V1902, S2800.
Vehicle & Machinery Application: This piston is suitable for a wide range of equipment powered by the specified Kubota diesel engines, including:
- Excavators
- Loaders
- Bulldozers
- Forklifts
- Trucks & Buses
- Other Industrial Machinery
Global Supply & Distribution
We are a trusted B2B supplier for diesel engine components with a robust global logistics network. We ensure reliable and timely delivery to key industrial hubs and ports worldwide.
- Worldwide Shipping: We export to all major continents, including North America, South America, Europe, Africa, the Middle East, and Asia-Pacific.
- Fast Delivery: Consolidated shipments and established freight partnerships enable efficient delivery to major ports and inland destinations.
- Export Compliance: All shipments are prepared with complete and accurate commercial documentation (invoice, packing list, certificate of origin) for smooth customs clearance.
Quality Assurance
- Manufacturing Standards: Produced in a certified facility using precision machining and quality materials.
- Warranty: Backed by a 6-month warranty against manufacturing defects.
- Testing & Inspection: Every batch is subject to machinery test reports and video outgoing-inspection is available to ensure product integrity before shipment.
FAQ
Q: Is this piston sold as a single item or as part of a kit?
A: This piston is sold as a single item, as per standard B2B practice for engine overhaul components. Related parts like piston rings, pins, and sleeves are typically ordered separately based on the specific rebuild requirements.
Q: How can I verify this part will fit my specific Kubota engine?
A: The surest method is to cross-reference your engine’s existing piston part number with our listed OEM numbers: 15521-21110, 19274-21110, or 19439-21110. Always confirm your engine model (D1402, V1902, or S2800) before ordering.
Q: What documentation is provided with the shipment?
A> We provide full export documentation, including a commercial invoice, packing list, and if required, a certificate of origin. Machinery test reports for the product batch are available upon request to verify quality standards.
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 .