D1402 V1902 F2302 S2800 Piston Ring 15521-21050 15521-21055 15193-21050 19274-21050 for Kubota

Product Details

Product Overview

This high-quality Piston Ring Set is engineered to meet the exacting standards required for Kubota diesel engines, specifically designed for the D1402, V1902, F2302, and S2800 engine models. As a critical component for maintaining compression and oil control, this ring set ensures your heavy-duty equipment operates at peak efficiency. Each ring is manufactured to OEM size specifications, providing a direct replacement for worn or damaged factory parts.

Ideal for a wide range of applications including construction machinery, agricultural tractors, industrial generators, and marine equipment, this piston ring set is a reliable solution for engine overhauls and rebuilds. The set includes the necessary rings to restore cylinder seal and performance, making it an essential part for any professional mechanic or equipment owner looking to extend the service life of their Kubota power unit.

Key Features & Benefits

• Precision Engineering: Manufactured to OEM size standards (15521-21050, 15521-21055, 15193-21050, 19274-21050) for a seamless, direct fit without modification.
• Optimal Compression & Oil Control: Designed to restore proper cylinder compression, reduce blow-by, and minimize oil consumption, ensuring maximum engine power and fuel efficiency.
• Durable Material Construction: Made from high-grade cast iron and steel alloys with advanced surface treatments to withstand extreme temperatures and pressures found in diesel combustion.
• Enhanced Wear Resistance: Features a robust wear layer that extends the service interval of your engine, reducing downtime and maintenance costs for your Kubota equipment.
• Versatile Application: Suitable for multiple popular Kubota engine platforms (D1402, V1902, F2302, S2800) commonly used in tractors, excavators, and power generation units.
• Rigorous Quality Control: Every set undergoes a machinery test report and video outgoing inspection to verify dimensional accuracy and surface finish.

Technical Specifications

OEM Cross-Reference

This piston ring set is designed as a direct replacement for the following OEM part numbers. Please verify your engine model and existing part number before ordering.

• Primary Part Numbers: 15521-21050, 15521-21055
• Alternate Part Numbers: 15193-21050, 19274-21050

Compatibility

This piston ring set is commonly used for the following Kubota engine platforms and applications. Please confirm your specific engine model and serial number to ensure compatibility.

• Engine Models: D1402, V1902, F2302, S2800
• Common Applications:
  • Construction: Mini excavators, compact loaders
  • Agriculture: Tractors, tillers, harvesters
  • Industrial: Generators, pumps, welders
  • Marine: Small workboats, auxiliary engines
  • Material Handling: Forklifts, telehandlers

Global Supply & Distribution

We maintain a robust global supply chain to support B2B customers worldwide. Our inventory management ensures fast processing and dispatch to meet demanding project timelines.

• Worldwide Shipping: Reliable logistics partners for air, sea, and express delivery to all major regions.
• Key Markets: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Netherlands), Asia-Pacific (Japan, Australia, South Korea), Middle East (UAE, Saudi Arabia), and Africa.
• Fast Delivery: Stocked in Guangdong, China, with efficient shipping to major ports like Shanghai, Shenzhen, and Guangzhou, plus direct delivery to industrial hubs.
• Export Experience: Proven track record in international trade with compliance documentation for customs clearance.

Quality Assurance

We are committed to delivering parts that meet or exceed OEM performance standards.

• Manufacturing Standards: Produced in ISO-compliant facilities with strict quality control processes.
• Testing: Each batch undergoes a Machinery Test Report to validate dimensional accuracy, hardness, and surface finish. Video Outgoing Inspection is provided for order verification.
• Warranty: Backed by a 6-month Defects Liability Period, ensuring peace of mind for your purchase.
• OEM Service: Custom OEM packaging and branding services are available for volume orders.

FAQ

Q1: How do I confirm this piston ring set fits my Kubota V1902 engine?
A: Please cross-reference your existing piston ring part number with the OEM numbers listed (15521-21050, 15521-21055, 15193-21050, 19274-21050). Also, verify your engine model stamp (e.g., V1902) on the engine block data plate. If your engine has been previously rebored, you may require oversized rings; this set is for standard OEM size.

Q2: What is the recommended installation procedure for these piston rings?
A: Installation should be performed by a qualified diesel mechanic. Ensure the cylinder bore is clean and within specification. Use a ring expander tool to avoid breaking the rings. Stagger the ring gaps at 120-degree intervals around the piston to prevent gas blow-by. Lubricate the rings and piston with clean engine oil before assembly.

Q3: How can I extend the service life of my new piston rings?
A: Use high-quality diesel engine oil with the correct API rating for your Kubota engine. Perform regular oil and filter changes as per the manufacturer’s maintenance schedule. Ensure the air intake system is properly sealed to prevent abrasive dust from entering the cylinders, which accelerates ring and cylinder wear.