Product Overview

This professional-grade cylinder liner and piston repair kit is engineered for the Yanmar 4TNV98 engine series. Designed as a complete overhaul solution, it restores engine compression, performance, and longevity. We supply this high-quality kit to B2B clients globally, with established distribution to major industrial markets including North America, Europe, the Asia-Pacific region, and the Middle East.

Key Features & Benefits

• Complete Overhaul Solution: Includes the cylinder liner, piston, and ring set for a comprehensive engine rebuild, ensuring perfect component compatibility and fit.
• Premium Material Construction: Manufactured from high-grade alloys and cast iron to withstand high temperatures and pressures, ensuring durability and long service life.
• Precision Engineering: Components are machined to exact OEM specifications for optimal sealing, reduced oil consumption, and restored engine power output.
• Enhanced Performance: Restores factory-level compression and combustion efficiency, leading to improved fuel economy and reduced emissions.
• Reliable Supply Chain: Sourced from trusted manufacturers and backed by our global logistics network for consistent availability and fast delivery to major ports worldwide.

Technical Specifications

OEM Cross-Reference

This repair kit directly replaces the following OEM part number:

• Yanmar: 129907-2209

It is a direct-fit replacement for the standard overhaul kit specified for the 4TNV98 engine.

Compatibility

This kit is specifically designed for the Yanmar 4TNV98 industrial diesel engine. This engine is commonly found in a wide range of equipment, including:

• Generators and Gen-Sets
• Construction Machinery (e.g., compact excavators, rollers)
• Agricultural Equipment
• Marine Auxiliary Power Units

Always verify your engine’s model and serial number before purchase to ensure correct fitment.

Global Supply & Distribution

We are a leading B2B supplier for automotive and industrial engine parts with a robust international export framework. Our capabilities include:

• Worldwide Shipping: Reliable delivery via air and sea freight to any destination.
• Major Markets Served: We regularly supply distributors and workshops in North America (USA, Canada, Mexico), the European Union, the United Kingdom, Australia, Southeast Asia, and the Middle East.
• Fast Logistics: Efficient shipping to major global ports and industrial hubs (e.g., Rotterdam, Los Angeles, Singapore, Dubai) with consolidated container and LCL options.
• Trade Compliance: All shipments are prepared with complete and accurate commercial documentation (invoice, packing list, certificate of origin) to ensure smooth customs clearance.

Quality Assurance

We partner with ISO-certified manufacturers to guarantee product integrity. Every kit undergoes stringent quality checks, including dimensional verification and material analysis, to ensure it meets precise engineering standards. Our parts are backed by a performance warranty, and we provide full technical support for our B2B partners.

FAQ

Q: Is this kit suitable for a complete engine rebuild on a 4TNV98?
A: Yes, this is a comprehensive liner and piston kit designed specifically for a major overhaul. It includes all the critical cylindrical components needed to restore the engine block’s core geometry and compression.

Q: Do I need to purchase anything else for the rebuild?
A: This kit covers the cylinder liner, piston, and rings. A full rebuild typically also requires connecting rod bearings, main bearings, gasket sets, and potentially valves/valve guides. We recommend consulting the engine’s service manual for a complete parts list.

Q: What is the expected service life of these components?
A: When installed correctly in a properly machined and assembled engine, these components are designed to provide service life comparable to OEM parts. Longevity depends heavily on proper installation, break-in procedures, and adherence to recommended maintenance schedules for oil and filtration.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .