Product Details

Product Overview

This high-quality Connecting Rod Bearing (Part Number: 1N3821) is specifically engineered for the Caterpillar 3204 diesel engine. As a critical component in the engine’s rotating assembly, this bearing ensures optimal clearance and oil film support between the connecting rod and the crankshaft. Sourced from a leading manufacturer with a robust global supply chain, this part is available for immediate shipment to major industrial markets worldwide, including North America, Europe, the Middle East, and the Asia-Pacific region.

Key Features & Benefits

• Precision Engineered: Manufactured to meet or exceed OEM specifications for exact fitment and reliable performance in the Cat 3204 engine.
• Superior Wear Resistance: Constructed from high-strength steel with a specialized aluminum or copper-lead lining to withstand high loads and reduce friction.
• Enhanced Durability: Designed to handle extreme operating temperatures and pressures, extending the service life of the engine.
• OEM Standard Quality: Provides a direct replacement for the original Caterpillar part (1N3821), ensuring consistent engine performance.
• Cost-Effective Solution: Offers a reliable alternative to genuine OEM parts without compromising on quality or longevity.

Technical Specifications

OEM Cross-Reference

This connecting rod bearing is a direct replacement for the following genuine OEM part numbers:

• Caterpillar OEM: 1N3821
• Cross References: 8N-7001, 9N-4030 (verify compatibility with specific engine serial number)

Compatibility

• Primary Engine: Caterpillar 3204 (4-cylinder naturally aspirated and turbocharged variants)
• Common Applications:
  • Caterpillar 416, 426, 428, 436 Backhoe Loaders
  • Caterpillar 910, 920, 930 Wheel Loaders
  • Caterpillar D3, D4, D5 Track-Type Tractors
  • Caterpillar PS-150, PS-180 Paving Equipment
  • Industrial and agricultural machinery powered by the 3204 engine
• Note: Always verify your engine’s serial number to ensure correct bearing size (standard or undersize) before purchase.

Global Supply & Distribution

We are a reliable B2B supplier with a strong international logistics network. We serve a diverse range of clients, from small repair shops to large fleet operators and dealerships.

• Worldwide Shipping: We ship via sea freight (FCL/LCL), air freight, and express couriers (DHL, FedEx, UPS, TNT) to meet your delivery timelines.
• Major Markets: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands, France), Middle East (UAE, Saudi Arabia), Asia-Pacific (Australia, Singapore), and Africa.
• Fast Delivery: Stock items are dispatched within 24-48 hours. Bulk orders shipped to major ports like Houston, Rotterdam, Shanghai, and Jebel Ali.
• Trade Compliance: Experienced in international documentation, customs clearance, and export formalities.

Quality Assurance

• Manufacturing Standard: ISO 9001:2015 certified production facility.
• Testing: Each batch undergoes rigorous dimensional inspection, hardness testing, and material composition analysis.
• Certifications: COA (Certificate of Analysis) available upon request.
• Warranty: 12-month warranty against manufacturing defects under normal operating conditions.

FAQ

Q1: Is this bearing a standard size or an undersize?

This part number (1N3821) typically corresponds to a standard size bearing. If your crankshaft has been ground, you will require an undersize bearing (e.g., 0.010″ or 0.020″). Please check the stamping on the back of your old bearing or measure your crankshaft journal to confirm.

Q2: Can I install this bearing without professional tools?

While the installation process involves basic hand tools, we strongly recommend professional installation by a qualified diesel mechanic. Proper clearance must be checked using Plastigage to ensure the oil film gap is within Caterpillar’s service specifications (typically 0.002-0.005 inches). Incorrect installation can lead to engine seizure or rapid bearing failure.

Q3: What is the recommended maintenance after installing new rod bearings?

After installation, it is critical to prime the engine’s oil system before starting to prevent dry start damage. Check engine oil pressure immediately after startup. We recommend an oil and filter change after the first 50 hours of operation to remove any initial wear particles. Always use the correct API-rated engine oil specified for the Caterpillar 3204 engine.

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 .