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Fitment checkOEM number, engine model, and machine model confirmation.
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Product Details
Product Overview
This high-quality Piston (Part Number: 15821-21110) is engineered as a direct replacement component for Kubota Z402 diesel engines. Designed to meet OEM specifications, this piston ensures reliable combustion chamber sealing and efficient power transfer within the engine cylinder.
Commonly utilized in a wide range of industrial, agricultural, and construction machinery, this piston is a critical part for engine overhaul or rebuild projects. It is intended for use in Kubota engine models where the Z402 series is specified, providing a dependable solution for maintaining engine performance and longevity.
Key Features & Benefits
OEM Specification: Manufactured to match the original dimensions and tolerances of the Kubota 15821-21110 piston, ensuring a precise fit and reliable performance.
Durable Construction: Built from high-grade materials to withstand the extreme temperatures and pressures of diesel combustion, reducing wear and extending engine life.
Enhanced Compression: Designed to maintain optimal compression ratios for the Z402 engine, contributing to efficient fuel combustion and power output.
Wide Application: Suitable for a variety of equipment types including construction machinery, agricultural tractors, industrial generators, and marine applications powered by the Kubota Z402 engine.
Rigorous Testing: Each piston undergoes quality control checks, with machinery test reports available upon request, ensuring consistent product integrity.
Easy Identification: The part number 15821-21110 is clearly marked for quick cross-referencing with OEM parts, simplifying the ordering and installation process.
Technical Specifications
Specification
Details
Part Number
15821-21110
Engine Model
Kubota Z402
Part Type
Piston
Engine Type
Diesel
Size
OEM Standard Size
Weight (approx.)
1 kg
Material
High-Strength Alloy
Warranty
6 Months
After Warranty Service
Online Support
OEM Cross-Reference
This piston is a direct replacement for the following OEM number(s):
15821-21110 (Original Kubota Part Number)
15821-21111 (Superseded / Alternative OEM Reference)
Note: Always verify the part number against your existing component before purchase to ensure compatibility.
Compatibility
This piston is specifically designed for use in the following engine and application contexts:
Engine Model: Kubota Z402 (Diesel)
Common Applications: This engine is commonly used for powering equipment in the construction, industrial, agricultural, genset, marine, and material handling sectors.
Fitment is based on the engine model specification. Please confirm your engine model and piston part number prior to ordering.
Global Supply & Distribution
We offer worldwide shipping capabilities to support B2B operations across the globe. Our logistics network ensures fast and reliable delivery to major ports and industrial centers in:
North America (USA, Canada, Mexico)
Europe (EU countries, UK, Scandinavia)
Asia-Pacific (Japan, South Korea, Australia, Southeast Asia)
Middle East & Africa (UAE, Saudi Arabia, South Africa)
South America (Brazil, Argentina, Chile)
With export experience and international trade compliance, we are equipped to handle bulk orders and long-term supply agreements for engine rebuilders, distributors, and maintenance teams worldwide.
Quality Assurance
We are committed to delivering high-quality engine components. Our manufacturing process adheres to strict quality control standards:
Manufacturing Standard: Produced in a facility compliant with ISO standards (implied by OEM spec production).
Testing: Machinery Test Report and Video Outgoing Inspection are provided to verify product quality before shipment.
Warranty: All pistons come with a 6-month warranty against manufacturing defects, backed by online technical support after the warranty period.
FAQ
Q: How can I confirm that this piston (15821-21110) will fit my engine? A: Please check the part number stamped on your existing piston. It should match 15821-21110 or the superseded number 15821-21111. This piston is specifically designed for the Kubota Z402 diesel engine model. If your engine model matches and the part number matches, fitment is assured.
Q: Is this a complete piston kit, or just the piston itself? A: This listing is for the piston (Part No. 15821-21110) only. It does not include piston rings, pins, or circlips unless specified. We recommend ordering the corresponding piston rings and other necessary components separately for a complete engine rebuild.
Q: What should I check before installing a new piston? A: Before installation, inspect the cylinder bore for wear or damage. The piston should slide smoothly within the bore. Ensure all piston rings are correctly gapped and installed according to the engine service manual. Always use new circlips and lubricate the piston and cylinder walls during assembly.
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