Excavator Parts 16467-21913 Kubota Piston Parts for D1503 Diesel Engines
The 16467-21913 +0.50mm piston is specifically designed for the Kubota D1503 diesel engine, used as a replacement part after cylinder wear repair and reboring to 83.50mm. Made of high-strength aluminum alloy, this piston possesses heat resistance, wear resistance, and fatigue resistance, maintaining stable performance under long-term high-temperature and high-pressure operation. It effectively restores the engine's compression ratio and combustion efficiency, making it a key repair component in engine overhaul and refurbishment projects.
| Part Number |
16467-21913 |
| Type |
Diesel Engine Piston |
| Specification |
83.50mm |
| Material |
High-precision aluminum alloy |
| Application System |
Engine combustion chamber piston assembly |
| Suitable Maintenance |
Engine overhaul, cylinder wear repair |
The high-strength aluminum alloy piston body has excellent heat resistance, which is beneficial for stable operation in high-temperature combustion environments.
The lightweight structure reduces mass inertia and improves engine response.
Wear-resistant machining enhances the wear resistance and durability of the piston surface.
Precision piston ring groove design ensures oil film retention and combustion chamber sealing.
16467-21913 +0.50mm Oversized Piston Overall View

Kubota D1503 Oversized Piston Aluminum Alloy Details

16467-21913 Piston Top and Piston Ring Grooves Display

D1503 Piston 83.50mm Oversized Close-up



Frequently Asked Questions
Q1: What is your main products?
A1: We are specialized in the excavator engine spare parts, for example Main cylinder block, cylinder head, crankshaft, Engine assembly, piston, cylinder liner, piston ring, camshaft, connecting rod, oil pump, water pump, valve series products, movement, etc. almost all parts of the entire engine.
Q2: Do you test all products before shipping?
A2: Yes, we conduct 100% testing before shipping.
Q3: Which engine models is this Piston compatible with?
A3: This product is designed for specific diesel engine models. If you can provide the engine model or original part number, we can confirm compatibility before shipping to avoid incompatibility issues.
Q4: Can you provide cross-reference information for OEM part numbers?
A4: Yes, we support original part interchange. Please provide the original part number, and we will verify the replacement part accordingly.
Q5: What should I do if there is a problem with the product?
A5: Our products undergo professional testing and are of very stable quality. If you do find any problems, please contact us. We have a professional after-sales team to help you solve the problem.
Why Choose Us?
• Over 20 years of experience specializing in construction machinery, engines, and parts – with stable experience supplying mainstream brands and models.
• Extensive experience in model matching enables us to provide customers with accurate parts selection, reducing procurement risks.
• A long-term, stable, and reliable supply system ensures reliable product sourcing and meets continuous procurement needs.
• For product information or quotations, our professional team will provide you with detailed answers immediately upon receiving your request.