Cylinder Liner Repair Kit 4TNV98 Piston 129907-2209 Piston Ring Set for Yanmar Excavator

Product Details

Product Overview

This comprehensive Cylinder Liner Repair Kit is specifically designed for Yanmar 4TNV98 diesel engines, commonly used in a variety of construction machinery and excavators. The kit includes a high-quality piston, piston rings, and cylinder liner components, all engineered to meet OEM specifications for reliable engine restoration.

The centerpiece of this kit is the piston assembly with part number 129907-2209, a critical component for maintaining proper compression and combustion efficiency in your Yanmar 4TNV98 power unit. This repair kit provides everything needed for a complete cylinder rebuild, saving you time and ensuring component compatibility.

Ideal for maintenance and overhaul applications, this genuine Yanmar-sourced kit delivers long-lasting performance and helps restore your excavator’s engine to like-new condition. The parts are precision-manufactured to ensure proper fitment and reliable operation under demanding working conditions.

Key Features & Benefits

• Complete Cylinder Rebuild Solution: Includes piston, piston rings, and cylinder liner in one convenient kit – eliminates the need to source individual components separately.
• OEM-Specification Quality: Manufactured to match original Yanmar specifications for the 4TNV98 engine, ensuring proper fitment and reliable performance.
• Part Number Assurance: Contains the exact 129907-2209 piston assembly for accurate identification and replacement of worn components.
• Extended Service Life: Premium materials and manufacturing processes deliver long-lasting durability, reducing downtime and maintenance frequency.
• Application Versatility: Suitable for various construction machinery applications beyond excavators, including compact loaders, generators, and industrial equipment using the 4TNV98 engine.
• Cost-Effective Maintenance: Complete kit approach provides better value compared to purchasing individual parts, with all components engineered to work together optimally.
• Video Technical Support Available: After-warranty service includes video technical support to assist with installation questions and troubleshooting.

Technical Specifications

OEM Cross-Reference

This repair kit is designed as a direct replacement for the following OEM part numbers:

• Primary Part Number: 129907-2209 (Piston Assembly)
• Engine Model Reference: 4TNV98
• Kit Components Reference: Includes piston rings and cylinder liner specific to the 4TNV98 engine configuration

This genuine Yanmar kit replaces the original factory components and is not an aftermarket alternative. The parts are manufactured to the same specifications as the components originally installed in the engine during production.

Compatibility

This Cylinder Liner Repair Kit is commonly used for the following applications:

• Engine Models: Yanmar 4TNV98, 4TNV98-Z, 4TNV98T
• Equipment Types: Excavators, Mini Excavators, Compact Construction Machinery
• Additional Applications: Skid steer loaders, compact track loaders, generators, and industrial equipment powered by the 4TNV98 engine series

Fitment is inferred based on engine model compatibility. We recommend verifying your engine’s model number and existing component part numbers before ordering to ensure proper match.

Global Supply & Distribution

We offer worldwide shipping capabilities to serve international B2B buyers across all major markets. Our distribution network covers North America, Europe, Asia-Pacific, the Middle East, Africa, and South America, ensuring reliable delivery to major ports and industrial centers.

With fast processing times upon payment receipt, we can expedite orders to minimize equipment downtime. Our export experience includes compliance with international trade regulations and proper documentation for customs clearance. We serve both wholesale distributors and individual equipment owners requiring genuine replacement parts.

For bulk orders or regular supply arrangements, we can accommodate various shipping methods including air freight for urgent requirements and sea freight for cost-effective large-volume shipments.

Quality Assurance

This genuine Yanmar piston kit is manufactured to the highest OEM standards, ensuring dimensional accuracy, material integrity, and performance reliability. Each component undergoes strict quality control procedures during production to meet the demanding requirements of construction machinery applications.

Warranty Coverage: This product is backed by a 3-month warranty against manufacturing defects. After the warranty period, we continue to provide support through video technical assistance to help with any installation or performance questions.

Testing: Components are tested for proper fitment, material hardness, and dimensional tolerances to ensure they meet OEM specifications. The genuine condition guarantees that you receive parts that match the original equipment manufacturer’s quality standards.

FAQ

Q: How do I verify that this kit fits my Yanmar 4TNV98 engine?
A: To confirm compatibility, check your engine’s model plate for the exact designation (4TNV98, 4TNV98-Z, or 4TNV98T). Also verify your existing piston part number matches 129907-2209. If your engine is a different variant or has been modified, please contact us with your engine serial number for verification before purchasing.

Q: What installation steps should I follow for this cylinder liner repair kit?
A: Installation requires proper engine disassembly and cylinder preparation. Key steps include: removing the cylinder head and old piston assembly, cleaning the cylinder bore thoroughly, installing the new cylinder liner with proper seating, fitting the piston rings in correct orientation, and assembling the piston into the liner with appropriate lubrication. We recommend consulting your Yanmar service manual for torque specifications and clearance values. Video technical support is available after purchase for additional guidance.

Q: What is the expected service life of this genuine Yanmar piston kit?
A: When properly installed and maintained, this genuine OEM kit can provide service life comparable to the original engine components. Typical lifespan depends on operating conditions, maintenance practices, and application demands. In normal excavator applications with regular oil changes and proper cooling system maintenance, you can expect thousands of hours of reliable service. The genuine OEM components are designed to meet the same durability standards as the parts originally installed in the engine.