Product Overview

This is a genuine specification connecting rod bush (con rod bearing) designed for the Yuchai YC4A120 diesel engine. Manufactured to strict OEM dimensions and tolerances, this critical component ensures proper crankshaft-to-connecting rod alignment, reduces friction, and maintains optimal oil film for long engine life. We supply this part globally to distributors, workshops, and heavy machinery operators in major industrial markets worldwide.

Key Features & Benefits

• Precision Engineered: Manufactured to exact OEM size specifications for a perfect, drop-in fitment, eliminating the need for modifications.
• Enhanced Durability: Made from high-grade materials to withstand the high loads and pressures within the YC4A120 diesel engine, ensuring reliable performance.
• Optimal Performance: Designed to maintain correct bearing clearance, ensuring efficient lubrication, reducing parasitic power loss, and contributing to consistent engine output.
• Cost-Effective Solution: Provides a reliable, high-quality alternative for engine rebuilds and repairs, offering significant value without compromising on performance.
• Direct Replacement: A direct OEM-equivalent part, making it an ideal choice for maintenance, overhauls, and warranty repairs on compatible Yuchai engines.

Technical Specifications

OEM Cross-Reference

This part is manufactured as a direct replacement for the original Yuchai connecting rod bush used in the YC4A120 engine series. For confirmation, please cross-reference with your engine’s specific part number or consult your engine service manual.

• Primary OEM Part Number: Yuchai YC4A120 Con Rod Bush

Compatibility

This connecting rod bush is specifically designed for the Yuchai YC4A120 diesel engine. This engine model is commonly found in a wide range of heavy-duty machinery and vehicles, including but not limited to:

• Excavators
• Trucks & Dump Trucks
• Forklifts
• Bulldozers
• Buses & Coaches
• Loaders (Wheel Loaders, etc.)
• Other Industrial & Construction Equipment

Note: Always verify the exact engine model and serial number before purchase to ensure correct fitment.

Global Supply & Distribution

We are a professional supplier of heavy-duty engine components with extensive experience in international B2B trade. Our logistics network ensures reliable delivery to key industrial regions globally.

• Worldwide Shipping: We export to North America, Europe, Asia-Pacific, the Middle East, Africa, and South America.
• Major Port Delivery: Efficient shipping to major global ports including Los Angeles, Rotterdam, Singapore, Dubai, Sydney, and Hamburg.
• Bulk & Sample Orders: We cater to both large-volume procurement for distributors and sample orders for quality verification.
• Trade Compliance: All exports are handled with proper commercial documentation (Invoice, Packing List, Certificate of Origin) to ensure smooth customs clearance.

Quality Assurance

Our commitment to quality ensures you receive a reliable and durable engine component.

• Manufacturing Standards: Produced in ISO-certified facilities using precision machining and quality-controlled materials.
• Product Warranty: Backed by a 6-month warranty against manufacturing defects.
• Rigorous Testing: Each batch undergoes stringent quality checks. We provide machinery test reports and video outgoing-inspection documentation upon request to verify dimensional accuracy and material integrity.

FAQ

Q: How do I confirm this part will fit my specific Yuchai engine?
A: The most reliable method is to match the engine model number (YC4A120) and, if possible, the specific engine serial number. You can also compare the dimensions of your old con rod bush with the OEM size specification of this part. Contact our technical support with your engine details for verification.

Q: What is the recommended installation procedure for this connecting rod bush?
A: Installation should be performed by a qualified mechanic. General procedure involves: 1) Thoroughly cleaning the connecting rod and cap. 2) Ensuring the bearing saddle is free of burrs. 3) Pressing the bush into place with proper alignment of oil holes. 4) Checking and verifying the final bearing clearance with plastigage or micrometers as per the engine service manual. Proper lubrication during assembly is critical.

Q: Do you provide technical documentation or specifications for this part?
A> Yes. Along with the product, we can provide the machinery test report for the batch. For detailed engine-specific torque specs and installation guidelines, you must refer to the official Yuchai YC4A120 engine service manual, as these procedures are critical for engine longevity.

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 .