Diesel Engine Parts
Send OEM number, quantity, destination, or photos. We will reply with quotation, lead time, and fitment notes.
This high-precision Isuzu 4BG1 Connecting Rod Bearing (Standard Size) is a critical bottom end engine component designed for optimal crankshaft support and reduced friction. Manufactured to strict OEM specifications, this bearing (Part No. 9-12271608-0) is essential for maintaining proper oil clearance and ensuring the longevity of your Isuzu 4BG1 diesel engine. We supply this component globally to North America, Europe, Asia-Pacific, the Middle East, and Africa, supporting heavy equipment, industrial machinery, and marine applications.
| Specification | Details |
|---|---|
| Part Number | 9-12271608-0 |
| Engine Model | Isuzu 4BG1 |
| Part Type | Connecting Rod Bearing (Big End Bearing) |
| Size | Standard (Std) |
| Material | Steel Back + Aluminum Alloy / Copper-Lead Layer |
| Position | Connecting Rod to Crankshaft |
| Quantity per Set | Typically sold per piece or per engine set (4 pieces for a 4-cylinder engine) |
| OEM Equivalent | 9-12271608-0 |
This part is a direct replacement for the following OEM numbers:
Cross-reference numbers are for reference. Always confirm fitment with your engine’s parts manual.
We offer reliable worldwide shipping to support your operations:
Q1: What is the difference between Standard (Std) and Undersize (OS) connecting rod bearings?
A: Standard bearings are for original/unworn crankshaft journals. If your crankshaft has been reground, you will need undersize bearings (e.g., 0.25mm, 0.50mm, 0.75mm). Always measure your crankshaft journal diameter before ordering.
Q2: How do I install connecting rod bearings correctly?
A: Ensure the bearing shells are clean and dry. Apply a thin layer of clean engine oil to the bearing surface. Align the bearing tang with the notch in the connecting rod and cap. Torque the connecting rod bolts to the manufacturer’s specification (typically 80-100 Nm for 4BG1, but always consult your service manual). Never mix old and new bearings.
Q3: Can I use this bearing for a 4BG1T (turbocharged) engine?
A: Yes, this standard-size bearing is compatible with both naturally aspirated (4BG1) and turbocharged (4BG1T) versions of the Isuzu 4BG1 engine, provided the crankshaft journal is within standard service limits. For heavily modified or high-boost applications, consider performance-oriented bearings.
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.
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.
A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.
A: Normally we can supply any quantity if we have in stock.
A: We accept Western Union, T/T, Paypal.
A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.
A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .
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 .
