
Product Overview
This is a premium piston ring set engineered for Kubota’s D1703, D1803, V2203, and V2403 series diesel engines. Designed for durability and optimal compression, it is a critical component for engine overhaul and maintenance. We supply this part globally to major industrial markets, supporting the maintenance of heavy machinery and commercial vehicles worldwide.
Key Features & Benefits
- Precision Engineered: Manufactured to exact OEM specifications for a perfect fit and reliable performance, ensuring proper cylinder sealing and oil control.
- Enhanced Durability: Made from high-grade materials to withstand high temperatures and pressures within the diesel combustion chamber, extending service life.
- Optimal Engine Performance: Restores factory-level compression, reduces oil consumption, and helps maintain engine power and fuel efficiency.
- Global Compliance: Produced for international markets, meeting the rigorous demands of commercial and industrial applications.
- Cost-Effective Solution: Provides a reliable aftermarket alternative for fleet maintenance and engine rebuilds without compromising on quality.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Type | Piston Ring Set |
| Compatible Engine Models | Kubota D1703, D1803, V2203, V2403 |
| Engine Type | Diesel |
| Primary Part Number | 1G924-21052 |
| Size | OEM Standard Size |
| Weight | Approx. 1 kg |
| Packing | Plastic Bag, Box, Carton |
| Place of Origin | Guangdong, China |
| Selling Units | Single Item (Set) |
OEM Cross-Reference
This piston ring set directly replaces the following OEM part numbers, ensuring full compatibility:
- Kubota: 1G924-21052
- Kubota: 17331-21050
- Kubota: 1A091-21050
Compatibility
Engine Models: This set is specifically designed for the Kubota D1703, D1803, V2203, and V2403 series diesel engines.
Vehicle & Machinery Applications: These engines are commonly found in a wide range of industrial and commercial equipment, including:
- Forklifts
- Excavators and Bulldozers
- Trucks and Buses
- Loaders
- Agricultural Machinery
- Generator Sets
Global Supply & Distribution
We are a professional exporter 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 ship to North America, Europe, Asia-Pacific, the Middle East, Africa, and South America.
- Major Port Delivery: Fast container and LCL shipments to major global ports such as Los Angeles, Rotterdam, Singapore, Dubai, and Sydney.
- Trade Compliance: All documentation, including machinery test reports, is provided to ensure smooth customs clearance.
- Bulk & Wholesale: We support large order quantities for distributors, workshops, and fleet operators.
Quality Assurance
We are committed to supplying parts that meet the high standards required for diesel engine performance.
- Manufacturing Standards: Produced using precision tooling and quality-controlled processes.
- Warranty: Backed by a 6-month warranty against manufacturing defects.
- Testing & Inspection: Each batch undergoes rigorous checks. A machinery test report and video outgoing-inspection are available upon request to verify quality before shipment.
FAQ
Q: How can I confirm this piston ring set will fit my specific Kubota engine?
A: Please verify your engine’s model number (D1703, D1803, V2203, or V2403) and cross-reference the OEM part number stamped on your old rings or listed in your service manual with our provided numbers: 1G924-21052, 17331-21050, or 1A091-21050.
Q: What is included in the packaging for installation?
A: The product is sold as a complete piston ring set for one cylinder, packaged securely to prevent damage during transit. It includes all necessary rings (compression and oil rings) as per the OEM configuration. Always ensure you have the correct quantity for your engine’s cylinder count.
Q: Do you provide technical support or documentation for installation?
A> While we supply the component, proper installation by a qualified mechanic is crucial. We recommend consulting the official Kubota service manual for specific torque specs, ring gap requirements, and installation procedures to ensure optimal engine performance 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 .