Product Overview

This is a high-quality piston ring set engineered for Kubota industrial diesel engines. Designed for global distribution, this critical component is essential for maintaining engine compression, oil control, and overall performance in demanding applications. We supply directly to workshops, machinery dealers, and industrial operators across North America, Europe, the Middle East, Asia-Pacific, and Africa, ensuring reliable performance in construction, agriculture, power generation, and marine sectors.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM specifications for a perfect fit and optimal sealing performance, ensuring restored engine compression and power.
• Enhanced Durability: Made from high-grade materials to withstand high temperatures and pressures within the Kubota diesel engine cylinder, reducing wear and extending service intervals.
• Superior Oil Control: Designed to minimize oil consumption while maintaining adequate cylinder wall lubrication, promoting cleaner operation and improved fuel efficiency.
• Direct OEM Replacement: Serves as a direct cross-reference for multiple Kubota OEM part numbers, providing a cost-effective solution without compromising on quality or fitment.
• Global Compliance Ready: Packaged and documented for smooth international shipping and customs clearance to major industrial markets worldwide.

Technical Specifications

OEM Cross-Reference

This piston ring set is a direct replacement for the following Kubota OEM part numbers. Ensure compatibility by cross-referencing your original part.

• 15521-21050 (Primary Reference)
• 15521-21055
• 15193-21050
• 19274-21050

Compatibility

This piston ring set is specifically designed for the following Kubota industrial diesel engine models, commonly found in a wide range of equipment:

• Engine Models: Kubota V1902, D1402, F2302, S2800
• Typical Applications:
  • Construction: Excavators, compact loaders, rollers
  • Agriculture: Tractors, irrigation pumps, harvesters
  • Power Generation: Diesel generator sets (Gensets)
  • Marine: Small marine auxiliary engines
  • Industrial: Forklifts, air compressors, welding machines

Note: Always verify the engine model and existing part number before ordering. Compatibility is based on OEM specifications.

Global Supply & Distribution

We are a professional B2B supplier specializing in the export of high-quality engine components. Our logistics network ensures efficient delivery to key global markets.

• Worldwide Shipping: We export to all major regions including North America (USA, Canada), Europe (UK, Germany, Netherlands), Asia-Pacific (Australia, Japan, Singapore), the Middle East (UAE, Saudi Arabia), and South America.
• Fast Delivery to Hubs: Consolidated shipping to major ports and logistics centers in Los Angeles, Rotterdam, Singapore, Dubai, and Sydney for faster regional distribution.
• Export Expertise: All documentation (commercial invoice, packing list, certificate of origin) is provided professionally to ensure smooth customs clearance and compliance with international trade regulations.
• Bulk & Wholesale: We support container load (FCL) and less than container load (LCL) orders, catering to both large distributors and smaller workshops.

Quality Assurance

Our commitment to quality ensures you receive reliable parts that meet the demands of industrial applications.

• OEM Specifications: Manufactured to match original Kubota engineering drawings and tolerance standards.
• Rigorous Testing: Parts undergo machinery tests and quality inspections. A video outgoing-inspection report can be provided upon request for traceability.
• Warranty Backed: Covered by a 6-month defects liability period, providing confidence in the product’s durability and performance.
• Certified Manufacturing: Produced in ISO-certified facilities in Guangdong, China, utilizing advanced metallurgy and precision machining.

FAQ

Q1: How do I confirm this piston ring set fits my specific Kubota engine?
A1: The most reliable method is to cross-reference the part number stamped on your original piston rings or listed in your engine’s service manual with the OEM numbers provided in the “OEM Cross-Reference” section above (15521-21050, 15521-21055, etc.). Matching the engine model (e.g., V1902) is also critical for confirmation.

Q2: Are installation instructions or technical specifications included?
A2> While the product is packaged with standard protective materials, comprehensive installation instructions and engine-specific torque specifications are not included. We recommend consulting the official Kubota engine service manual for detailed procedures, including cylinder honing requirements and ring end-gap measurement, to ensure a proper rebuild.

Q3: What is the lead time for shipping to [North America/Europe]?
A3> Standard sea freight shipping to major ports in North America or Europe typically takes 25-35 days. We also offer expedited air freight options for urgent requirements, which can reduce transit time to 5-10 business days. Please contact us with your destination port or city for a precise shipping quote and timeline based on your order quantity.

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 .