Product Overview

We supply high-quality, genuine connecting rod bearings for heavy-duty industrial engines, sourced directly from Japan. Our global logistics network ensures reliable delivery to B2B clients and distributors across North America, Europe, Asia-Pacific, and the Middle East, supporting the maintenance of critical construction and mining equipment.

Key Features & Benefits

• Genuine OEM Quality: Manufactured to original Isuzu specifications for perfect fitment, optimal oil clearance, and reliable performance under extreme loads.
• Enhanced Durability: Engineered with high-grade materials and precision machining to provide long-lasting service life, reducing downtime and maintenance frequency.
• Optimal Engine Protection: Ensures proper crankshaft support and lubrication, preventing premature wear and catastrophic engine failure in demanding excavator applications.
• Global Availability: Stocked for immediate dispatch, with streamlined export documentation for fast delivery to major industrial ports and logistics hubs worldwide.

Technical Specifications

OEM Cross-Reference

This genuine bearing directly replaces the following part numbers:

• Isuzu: 1-12271072-1
• Common Reference: 1122710721

Compatibility

This connecting rod bearing is designed for the Isuzu 6WG1 industrial diesel engine. Its primary application is in the Hitachi ZX450-3 excavator. It is essential to verify the specific engine serial number and model configuration for exact fitment.

Global Supply & Distribution

We specialize in international B2B supply for the automotive and heavy equipment sectors. Our core markets include North America (USA, Canada, Mexico), the European Union, the United Kingdom, Australia, Southeast Asia, and the GCC countries. We offer consolidated shipping, competitive FOB/CIF quotes, and ensure all shipments comply with international trade regulations for a smooth customs clearance process to major ports like Los Angeles, Rotterdam, Singapore, and Jebel Ali.

Quality Assurance

Every bearing is sourced from certified channels to guarantee it meets original Isuzu manufacturing standards. Parts are inspected for dimensional accuracy and surface finish prior to shipment. We back our products with a 3-month warranty and provide post-warranty video technical support to assist with installation verification and troubleshooting.

FAQ

Q1: Is this bearing a direct replacement for the OEM part in my Hitachi ZX450-3?
A1: Yes. This is a genuine Isuzu part (1-12271072-1) designed specifically for the 6WG1 engine in the ZX450-3 excavator. It is a direct OEM replacement, ensuring identical dimensions, material, and performance.

Q2: What precautions should be taken during installation?
A2> Always clean the connecting rod and crankshaft journals thoroughly. Verify the bearing clearance with plastigage as per the engine service manual. Ensure the bearing shells are correctly seated in their saddles and that oil passages are aligned. Proper torque sequence and specification for the connecting rod bolts are critical.

Q3: Do you support bulk orders for dealerships or repair shops?
A3: Absolutely. We cater to B2B clients including equipment dealerships, repair workshops, and parts distributors. We offer competitive pricing for bulk quantities and can arrange regular scheduled shipments to support your inventory needs. Contact us for a customized quote.

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 .