Product Overview

This high-precision engine coupling is engineered as a direct OEM replacement for Yanmar 4TNV88 series diesel engines. Designed for durability and optimal power transmission, it is a critical component for maintaining engine performance in industrial, marine, and generator applications. We specialize in supplying this part to a global B2B clientele, with efficient shipping to major markets including North America, Europe, the Asia-Pacific region, and the Middle East.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM specifications with an outer diameter of 146mm, ensuring a perfect fit and seamless integration with your Yanmar 4TNV88 engine.
• Enhanced Durability: Constructed from high-grade materials to withstand the high-torque demands and vibrations of industrial diesel engines, reducing wear on connected components.
• Optimal Power Transmission: Ensures efficient transfer of power from the engine to auxiliary systems (pumps, generators) with minimal energy loss and vibration dampening.
• Reliable Performance: Restores engine system integrity, preventing misalignment issues that can lead to premature failure of other drivetrain parts.
• Cost-Effective Solution: Provides OEM-level quality and performance as a reliable aftermarket alternative, helping to minimize downtime and maintenance costs.

Technical Specifications

OEM Cross-Reference

This part serves as a direct replacement for the original Yanmar coupling. For verification, please cross-reference with your engine’s service manual or existing part. Common OEM reference numbers include series codes specific to the 4TNV88 engine assembly.

Compatibility

Primary Engine Application:

• Yanmar 4TNV88 Diesel Engine

Typical Equipment & Vehicle Use:

• Industrial Generators & Power Plants
• Marine Auxiliary Engines & Propulsion Systems
• Construction Equipment (Pumps, Compressors)
• Agricultural Machinery

This coupling is integral to engines commonly found in equipment manufactured from the early 2000s to present. Always verify the specific engine serial number for absolute compatibility.

Global Supply & Distribution

We are a trusted B2B supplier for automotive and industrial engine parts with a robust global logistics network. Our capabilities include:

• Worldwide Shipping: Reliable export to all major continents and industrial hubs.
• Key Markets Served: Extensive supply chain support for North America (USA, Canada, Mexico), the European Union, the United Kingdom, Australia, Southeast Asia, the Middle East, and South America.
• Efficient Logistics: Fast container and air freight services to major ports and airports, including Los Angeles, Rotterdam, Singapore, Dubai, and Sydney.
• Export Compliance: All shipments are handled with complete commercial invoices, packing lists, and compliance with international trade regulations for smooth customs clearance.

Quality Assurance

• Manufacturing Standards: Produced in ISO-certified facilities adhering to strict quality control protocols throughout the manufacturing process.
• Rigorous Testing: Each coupling undergoes dimensional accuracy checks and material integrity verification to ensure it meets or exceeds performance specifications.
• Warranty: Backed by a standard warranty against manufacturing defects. Please contact us for specific warranty terms applicable to your region.

FAQ

Q1: How do I confirm this coupling will fit my specific Yanmar 4TNV88 engine?
A: The most reliable method is to match the outer diameter (146mm) and the bolt hole pattern with your existing coupling. We strongly recommend referencing your engine’s service parts manual for the precise Yanmar part number or providing us with your engine’s serial number for verification before purchase.

Q2: What are the signs that this engine coupling needs replacement?
A: Common indicators include excessive vibration during operation, unusual knocking or clunking sounds from the engine’s auxiliary drive side, visible cracks or wear on the rubber/flexible element, or misalignment observed between the engine and the driven component (e.g., a pump or generator).

Q3: Do you provide technical support for installation?
A: Yes, we can supply general installation guidelines. Proper installation is critical and typically involves ensuring precise alignment between the engine flywheel and the driven component shaft, torquing bolts to the manufacturer’s specification, and checking for free rotation without binding. We recommend installation by a qualified technician familiar with 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 .