Kubota D722 Engine Cylinder Liner & Piston Kit 16851-02310 16851-21112 16853-21051

Product Details

Product Overview

This comprehensive cylinder liner and piston set is engineered specifically for the Kubota D722 diesel engine. Manufactured to meet or exceed OEM specifications, this kit provides a complete solution for engine overhaul and repair. We supply this high-demand component globally to workshops, distributors, and heavy equipment dealers across North America, Europe, Asia-Pacific, and the Middle East, ensuring rapid delivery to major industrial hubs and ports.

Key Features & Benefits

• Precision Engineering: Components are machined to exact OEM tolerances for a perfect fit and optimal compression.
• Superior Durability: Cylinder liners are crafted from high-grade cast iron with hardened surfaces to resist wear and extend engine life.
• Enhanced Performance: The piston set features advanced ring packs designed to reduce oil consumption and improve combustion efficiency.
• Complete Kit: Includes all necessary components (liners, pistons, rings, and pins) for a single-source, hassle-free rebuild.
• Cost-Effective Solution: A reliable alternative to OEM parts, offering significant savings without compromising quality.

Technical Specifications

OEM Cross-Reference

This kit is a direct replacement for the following original Kubota part numbers:

• Cylinder Liner: 16851-02310, 1G867-02130
• Piston Set: 16851-21112, 16851-21110
• Piston Ring Set: 16853-21051, 16853-21050

Compatibility

• Engine Models: Kubota D722, D722-E, D722-B, D722-EB
• Applications: Kubota B-Series tractors (B5100, B6100, B7100), RTV 900 utility vehicles, and various industrial generators, pumps, and mini-excavators.
• Year Ranges: Fits most Kubota engines manufactured from the 1980s through the early 2000s. Please verify engine model and serial number for exact fitment.

Global Supply & Distribution

We are a trusted supplier to the global aftermarket, specializing in fast and reliable logistics for B2B clients.

• Worldwide Shipping: We ship to over 50 countries via air, sea, and express courier (DHL, FedEx, UPS).
• Major Markets: Strong distribution networks in North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands), Asia-Pacific (Japan, Australia, Singapore), and the Middle East (UAE, Saudi Arabia).
• Fast Delivery: Stock available in regional warehouses for quick dispatch to industrial centers and major ports.
• Trade Compliance: We handle all customs documentation and ensure compliance with international trade regulations for smooth importation.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001 certified facilities.
• Testing: Each component is inspected for dimensional accuracy, material hardness, and surface finish prior to packaging.
• Warranty: All parts are backed by a comprehensive 12-month warranty against manufacturing defects.

FAQ

Q1: Is this kit a direct replacement for the original Kubota parts?
Yes, this kit is designed as a direct OEM replacement. The part numbers 16851-02310, 16851-21112, and 16853-21051 correspond exactly to the original Kubota components. No modifications are required for installation on a standard D722 engine.

Q2: What is the recommended installation procedure?
We recommend following the official Kubota service manual for the D722 engine. Key steps include: cleaning the cylinder block thoroughly, installing the liners with a light press-fit and checking protrusion, and assembling the pistons with proper ring gap orientation. Use new gaskets and lubricate all components with engine oil during assembly.

Q3: How do I verify the correct piston ring end gap?
Before installing the rings on the piston, place each ring into the cylinder liner and square it using a piston crown. Measure the end gap with a feeler gauge. For the D722, the standard ring end gap is typically 0.20-0.35 mm for the top ring and 0.15-0.30 mm for the second ring. If the gap is too tight, file the ring ends carefully. If too wide, the ring or liner may be worn beyond limits.