Product Overview

This premium Cylinder Block Assembly is engineered for Yanmar 4D84-2 and 4TN84 diesel engines, serving as the foundational core for engine rebuilds and repairs. We specialize in the global supply of high-quality, OEM-specification engine components, with direct shipping to major industrial hubs across North America, Europe, the Middle East, Asia-Pacific, and Africa. Our products are trusted by workshops, fleet operators, and machinery dealers worldwide.

Key Features & Benefits

• OEM-Specification Engineering: Manufactured to exact Yanmar dimensions and tolerances, ensuring a perfect fit and optimal engine performance.
• Premium Material & Durability: Constructed from high-grade cast iron for superior strength, heat dissipation, and long-term reliability under heavy loads.
• Comprehensive Quality Validation: Each block undergoes rigorous machinery testing and video-documented outgoing inspection to guarantee integrity.
• Versatile Application: Designed for a wide range of uses, from construction and agriculture to power generation and marine applications.
• Direct Replacement: Eliminates downtime by providing a ready-to-install assembly, compatible with original Yanmar engine configurations.

Technical Specifications

OEM Cross-Reference

This cylinder block is a direct replacement for the original Yanmar component designed for the 4D84-2 and 4TN84 engine series. We offer full OEM service and can manufacture to specific OEM drawings upon request. Please contact our technical sales team with your specific OEM part number for verification.

Compatibility

Primary Engine Models: Yanmar 4D84-2, Yanmar 4TN84.

Typical Applications: This block is suitable for engines used in:

• Construction: Excavators, loaders, compactors.
• Industry & Gensets: Industrial pumps, compressors, standby and prime power generator sets.
• Agriculture: Tractors, combine harvesters, irrigation systems.
• Marine: Auxiliary engines and propulsion units for small to medium vessels.
• Material Handling: Forklifts and terminal tractors.

Global Supply & Distribution

We are a leading exporter of heavy-duty engine parts with extensive experience in international logistics and trade compliance. Our streamlined supply chain ensures efficient delivery to key global markets:

• Major Markets Served: North America (USA, Canada, Mexico), European Union, United Kingdom, Australia, Southeast Asia, Middle East (UAE, Saudi Arabia), and South America.
• Fast Port Delivery: We prioritize shipments to major international ports including Los Angeles, Rotterdam, Hamburg, Singapore, Dubai, and Sydney for rapid customs clearance and local distribution.
• Export-Ready Packaging: All items are securely packed in cartons and palletized to withstand long-distance ocean and air freight.

Quality Assurance

• Manufacturing Standard: Produced in ISO-certified facilities using precision machining and casting processes.
• Warranty: Backed by a 6-month warranty against manufacturing defects from the date of purchase.
• Testing & Inspection: Every unit is subject to a detailed machinery test report. Final video outgoing-inspection provides transparent verification of quality and specifications before shipment.

FAQ

Q: Is this cylinder block a complete assembly, and is it ready for installation?
A: Yes, this is a complete Cylinder Block Assembly manufactured to OEM specifications. It is sold as a single unit and is ready for installation as a core component during an engine overhaul or rebuild, following standard workshop procedures.

Q: Do you provide the OEM part number for this block?
A> While this product is engineered as a direct replacement for the Yanmar 4D84-2/4TN84 block, the specific OEM part number can vary. We recommend consulting your engine’s official parts manual. Our technical team can assist with cross-referencing if you provide your existing part number or engine serial number.

Q: What preparatory steps are recommended before installing this new cylinder block?
A> Prior to installation, it is critical to thoroughly clean all mating surfaces, inspect all associated components (crankshaft, bearings, cylinder head) for wear, and use new gaskets and seals. Ensure the engine’s alignment dowels are in place. We recommend following the official Yanmar service manual for torque sequences and specifications.

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 .