Product Overview

This high-quality piston ring set is engineered for the reliable repair and maintenance of Kubota D722 and D782 diesel engines. Designed to meet or exceed OEM specifications, this set ensures optimal compression, oil control, and engine longevity. We specialize in global B2B supply, serving major industrial markets across North America, Europe, the Middle East, and Asia-Pacific with efficient logistics to major ports and distribution hubs.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM dimensions (OEM Size) for a perfect fit and seamless installation, ensuring proper cylinder sealing and performance.
• Enhanced Durability: Made from high-grade materials to withstand the high temperatures and pressures within diesel engines, reducing wear and extending engine life.
• Optimal Performance: Restores engine compression, minimizes oil consumption (blow-by), and helps maintain fuel efficiency in industrial equipment.
• Comprehensive Kit: Includes all necessary rings for a complete piston assembly job, simplifying procurement and ensuring compatibility.
• Rigorous Quality Control: Each set undergoes thorough inspection and testing, supported by machinery test reports and video outgoing-inspection documentation.

Technical Specifications

OEM Cross-Reference

This piston ring set directly replaces the following OEM part numbers, ensuring perfect compatibility for your Kubota engine overhaul:

• Kubota 16645-21050
• Kubota 16851-21050
• Kubota 16851-21052
• Kubota 16853-21050

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

Compatibility

Engine Models: This set is specifically designed for Kubota D722, D782, and Z482 series diesel engines.

Vehicle & Machinery Application: These engines are widely used in various industrial and commercial equipment, including but not limited to:

• Forklifts
• Excavators and Mini-Excavators
• Trucks (Light Industrial)
• Loaders (Skid-Steer, Compact)
• Bulldozers (Compact Models)
• Buses (Small to Medium)
• Generators and Industrial Power Units
• Agricultural Machinery

Global Supply & Distribution

We are a professional B2B exporter with extensive experience in the international automotive parts trade. Our streamlined supply chain ensures reliable delivery to key global markets:

• Major Markets Served: North America (USA, Canada, Mexico), European Union, United Kingdom, Australia, Southeast Asia, Middle East, and South America.
• Efficient Logistics: We ship via air and sea freight to all major international ports (e.g., Los Angeles, Rotterdam, Singapore, Dubai) and can arrange inland logistics to industrial centers.
• Trade Compliance: All documentation (commercial invoice, packing list, certificate of origin) is provided to ensure smooth customs clearance worldwide.
• Bulk & OEM Orders: We welcome volume purchases and offer OEM service for businesses looking to source under their own brand.

Quality Assurance

Our commitment to quality ensures you receive reliable parts that perform under demanding conditions.

• Manufacturing Standards: Produced in ISO-certified facilities using precision tooling to ensure consistent dimensional accuracy and material integrity.
• Comprehensive Warranty: Backed by a 6-month warranty against manufacturing defects, providing peace of mind for your business and your end-users.
• Testing & Documentation: Quality is verified through machinery test reports. A video outgoing-inspection is available upon request, providing transparent proof of product condition before shipment.

FAQ

Q1: How do I confirm this piston ring set fits my specific Kubota engine?
A: The surest method is to cross-reference the part number stamped on your original rings or listed in your engine’s official service manual with the OEM numbers provided in the “OEM Cross-Reference” section above (16645-21050, 16851-21050, etc.). Matching the engine model (D722, D782, Z482) is also critical.

Q2: Are installation instructions included with the piston ring set?
A: While the set itself does not include a detailed service manual, it is packaged securely to prevent damage. We recommend installation by a qualified mechanic following the official Kubota workshop manual procedures, which cover proper ring gap measurement, orientation, and installation techniques specific to your engine model.

Q3: What is the typical lead time for orders to [North America/Europe]?
A: Lead times vary based on destination and shipping method. For standard sea freight to major ports in North America or Europe, expect approximately 25-35 days door-to-port. Express air freight options are available, significantly reducing transit time to 5-10 business days. Contact us for a precise quote based on your location and order volume.

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 .