Product Overview

This premium Cylinder Liner is engineered as a direct replacement for Yanmar 3D78 and 3TNC78 series diesel engines. Designed for durability and optimal performance, it is a critical component for maintaining engine compression and longevity in demanding industrial and vehicular applications. We specialize in the global supply of high-quality engine components, serving major markets across North America, Europe, the Middle East, and Asia-Pacific with reliable shipping and expert B2B support.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM dimensions (OEM Size) for a perfect fit and seamless installation, ensuring optimal engine performance and fuel efficiency.
• Superior Durability: Constructed from high-grade materials to withstand extreme pressures and temperatures, reducing wear and extending the service life of your engine.
• Enhanced Heat Dissipation: Designed for efficient heat transfer to prevent overheating and maintain consistent engine operation under heavy loads.
• Cost-Effective Solution: Offers a reliable, high-performance alternative to OEM parts, providing significant value without compromising on quality or specifications.
• Rigorous Quality Control: Each liner undergoes stringent inspection processes, backed by a comprehensive machinery test report and video outgoing-inspection for your assurance.

Technical Specifications

OEM Cross-Reference

This cylinder liner is manufactured as a direct replacement for the following Yanmar OEM part numbers. Always verify the specific model number for your engine before purchase.

• Primary OEM Reference: Yanmar 3D78 Cylinder Liner
• Primary OEM Reference: Yanmar 3TNC78 Cylinder Liner

Note: For specific Yanmar part numbers (e.g., 124000-xxxxx), please contact our technical support with your engine serial number for precise cross-referencing.

Compatibility

This cylinder liner is compatible with engines and machinery utilizing the Yanmar 3D78 or 3TNC78 diesel engine blocks.

• Compatible Engine Models: Yanmar 3D78, Yanmar 3TNC78.
• Vehicle & Machinery Application:
  • Excavators
  • Trucks
  • Forklifts
  • Bulldozers
  • Buses
  • Loaders
  • Other Industrial & Construction Equipment

Global Supply & Distribution

We are a trusted partner for heavy equipment parts distributors and repair workshops worldwide. Our streamlined logistics network ensures efficient delivery to key industrial hubs and ports.

• Worldwide Shipping: We export to all major markets, including North America (USA, Canada), Europe (UK, Germany, Netherlands), the Middle East (UAE, Saudi Arabia), Asia-Pacific (Australia, Japan, Singapore), and South America.
• Fast Delivery: Consolidated sea freight and air freight options available for fast delivery to major ports and inland logistics centers.
• Export Expertise: All shipments are handled with professional documentation, ensuring smooth customs clearance and compliance with international trade regulations.

Quality Assurance

Our commitment to quality is integral to our manufacturing process, providing you with parts you can trust for critical engine rebuilds.

• Manufacturing Standards: Produced in ISO-certified facilities using precision machining and advanced metallurgy.
• Comprehensive Testing: Every batch is subject to dimensional checks, hardness testing, and surface finish analysis. A formal Machinery Test Report is available.
• Visual Inspection: Video outgoing-inspection provides transparent verification of the part’s condition prior to shipping.
• Warranty: Backed by a 6-month warranty against manufacturing defects, guaranteeing peace of mind with your purchase.

FAQ

Q1: How do I confirm this cylinder liner will fit my specific Yanmar engine?
A1: The most reliable method is to match the engine model number (3D78 or 3TNC78) and compare the physical dimensions of your old liner. We recommend providing your engine’s serial number or the old part’s casting numbers for our technical team to verify 100% compatibility before shipping.

Q2: What preparation is required before installing this new cylinder liner?
A2: Ensure the engine block bore is thoroughly cleaned, measured, and honed to the correct specification for a press-fit installation. The new liner should be chilled (not heated) for easier insertion. Always follow the engine manufacturer’s recommended installation procedure, including checking protrusion and using appropriate sealing techniques.

Q3: Do you provide technical support or documentation for installation?
A3> Yes. Along with the product, you will receive the machinery test report confirming its specifications. For detailed installation manuals or torque specifications, please contact our support team. We can often provide generic guidelines for liner installation in Yanmar diesel engines.

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 .