Send OEM number, quantity, destination, or photos. We will reply with quotation, lead time, and fitment notes.
Fitment checkOEM number, engine model, and machine model confirmation.
Manual quotePrice, MOQ, stock, lead time, and replacement options.
Export supportPacking notes, mixed order support, and shipping details.
Product Details
Product Overview
This high-quality piston assembly is a direct replacement for the OEM part number 15956-21110 (also referenced as 15956-2111-0). Designed as a complete unit, it includes the piston, piston pin, and retaining clips, providing a ready-to-install solution for a range of Kubota industrial diesel engines.
Manufactured to standard size (STD / 72.00 mm), this component is precision-engineered for reliable performance in compact excavators, agricultural tractors, and generator sets. It is commonly used in Kubota models such as the B1550, B4200, B6200, and engine models Z600, ZB600, D850, D851, and V1100. This part is an essential component for engine overhauls and rebuilds, ensuring restored compression and optimal combustion efficiency.
Key Features & Benefits
Complete Assembly: Includes the piston, piston pin (wrist pin), and circlips, saving time on sourcing individual components and ensuring matched fitment.
Precision Engineering: Manufactured to a standard 72.00 mm diameter with tight tolerances for optimal cylinder wall clearance and reduced friction.
Durable Material: Constructed from high-strength aluminum alloy, offering excellent thermal conductivity, reduced weight, and superior resistance to wear and thermal fatigue.
Enhanced Reliability: Designed to withstand the high compression and operating temperatures of Kubota diesel engines, ensuring long service life in demanding applications.
Direct Replacement: A drop-in replacement for OEM part numbers 15956-21110 and 15956-2111-0, simplifying parts identification and installation.
Versatile Application: Suitable for a wide range of Kubota equipment, including excavators (Z600, ZB600), tractors (B1550, B4200, B6200), and industrial engines (D850, V1100).
Technical Specifications
Specification
Details
Part Number (OEM)
15956-21110 / 15956-2111-0
Part Type
Piston Assembly (with Pin & Clips)
Size
Standard (STD) / 72.00 mm
Material
High-strength Aluminum Alloy
Engine Type
Diesel
Compatible Engine Models
Z600, ZB600, D850, D851, V1100
Weight (approx.)
2 kg
Warranty
6 Months (Standard) / 12 Months (Extended)
OEM Cross-Reference
This piston assembly is a direct replacement for the following original equipment manufacturer (OEM) numbers. Please verify your existing part number for a perfect match.
Kubota OEM: 15956-21110
Alternative Reference: 15956-2111-0
Compatibility
This component is commonly used for engine overhauls in the following Kubota equipment and engine models. Always verify fitment with your specific engine serial number.
Compact Excavators: Kubota Z600, ZB600
Sub-Compact Tractors: Kubota B1550, B4200, B6200
Industrial Engines: Kubota D850, D851, V1100
Applications: Agricultural Machinery, Construction Excavators, Generator Sets
Global Supply & Distribution
We maintain a robust global supply chain to ensure fast and reliable delivery to B2B buyers worldwide. Our stock is strategically located to serve major industrial markets.
Worldwide Shipping: We export to North America, Europe, Asia-Pacific, the Middle East, and South America.
Fast Delivery: Orders are processed and shipped from our distribution hubs to major ports and industrial centers, including Los Angeles, Rotterdam, Shanghai, and Dubai.
Logistics Support: We offer flexible shipping options including air freight, sea freight, and express courier services (DHL, FedEx, UPS) to meet urgent project deadlines.
Trade Compliance: Our export procedures comply with international trade regulations, ensuring smooth customs clearance for our partners.
Quality Assurance
We are committed to providing high-quality engine parts that meet rigorous performance standards.
Manufacturing Standards: Parts are manufactured in ISO-certified facilities using high-grade aluminum alloys and precision casting processes.
Testing: Each batch undergoes dimensional inspection and material verification. Video outgoing inspection and machinery test reports are available upon request for quality assurance.
Warranty: We offer a standard 6-month warranty against manufacturing defects, with an optional 12-month warranty available for qualified orders. This ensures peace of mind for your engine rebuild projects.
FAQ
Q1: Will this piston fit my Kubota D850 engine with a 72mm bore? A: Yes, this is the standard size (STD) piston for the Kubota D850 engine family. It is designed for a 72.00 mm bore diameter. Please ensure your engine cylinder bore is within specification and not worn beyond the service limit. If the bore has been oversized, a corresponding oversized piston would be required.
Q2: Does the assembly come pre-installed with the pin and clips? A: The piston, pin, and clips are supplied together as a matched set. The pin is typically separate for ease of installation. You will need to install the pin and secure it with the provided circlips during your engine assembly. This allows for proper lubrication of the pin boss during installation.
Q3: What is the recommended installation procedure for this piston? A: Standard diesel engine rebuild procedures apply. Ensure the cylinder bore is clean, honed to the correct cross-hatch pattern, and within tolerance. Lubricate the piston, rings, and cylinder wall with clean engine oil. Use a proper piston ring compressor to install the piston into the bore, taking care not to damage the rings. Always follow the Kubota service manual for your specific engine model for torque specifications and ring gap orientation.
Inquiry Form
Send Inquiry
Leave your email and phone / WhatsApp so sales can follow up directly.