Product Overview

This is a premium replacement connecting rod designed for Cummins 6CT and 6CT8.3 series diesel engines. Engineered to meet or exceed OEM specifications, it is an essential component for engine overhaul and repair, ensuring reliable performance under demanding conditions. We specialize in global B2B supply, serving major industrial markets worldwide with efficient logistics and expert technical support.

Key Features & Benefits

• Precision Engineered: Manufactured to exact OEM tolerances for a perfect fit and optimal engine balance.
• High-Strength Material: Forged from high-grade alloy steel for exceptional durability and resistance to fatigue and stress.
• Optimized for Performance: Ensures smooth piston motion, reduces vibration, and contributes to overall engine efficiency and longevity.
• Rigorous Quality Control: Each component undergoes dimensional inspection and hardness testing to guarantee reliability.
• Direct Replacement: Designed as a direct bolt-on component, simplifying the repair process and reducing downtime.

Technical Specifications

OEM Cross-Reference

This part is a direct replacement for the following OEM part numbers:

• Cummins: 3934927

Note: Always verify part number compatibility with your specific engine serial number before purchase.

Compatibility

This connecting rod is designed for use in the following Cummins engine models, commonly found in heavy-duty industrial and construction equipment:

• Engine Models: Cummins 6CT, 6CT8.3
• Typical Applications: Industrial generators, marine auxiliary engines, and heavy machinery power units.
• Fitment Note: Suitable for engine overhaul and rebuild kits. It is recommended to replace connecting rods in sets per cylinder bank for balanced performance.

Global Supply & Distribution

We are a trusted partner for international B2B clients, offering seamless global logistics.

• Worldwide Shipping: Reliable export to North America, Europe, Asia-Pacific, the Middle East, Africa, and South America.
• Major Port Delivery: Efficient FOB/CIF services to key industrial hubs and ports including Rotterdam, Los Angeles, Singapore, Dubai, and Hamburg.
• Export Compliance: All shipments are prepared with complete commercial invoices, packing lists, and comply with international trade regulations.
• Bulk & Container Orders: Competitive pricing for wholesale quantities, with flexible container (FCL) and less-than-container (LCL) options.

Quality Assurance

• Manufacturing Standard: Produced in ISO-certified facilities using advanced forging and machining processes.
• Inspection Process: 100% dimensional check, crack detection (Magnaflux or Zyglo), and hardness testing are performed.
• Warranty: Backed by a standard 12-month warranty against manufacturing defects from the date of purchase.
• Packaging: Individually packaged and boxed to prevent corrosion and damage during international transit.

FAQ

Q1: Is this connecting rod sold individually or as a set?
A1: This part is typically sold as a single unit. For a complete engine rebuild, a full set (matching the number of cylinders in your engine) is required. Please contact us for set pricing and availability.

Q2: Do I need to machine or resize this connecting rod during installation?
A2: No. This is a precision, ready-to-install component manufactured to OEM specifications. However, standard engine rebuilding best practices, such as checking bearing clearances with plastigage, should always be followed.

Q3: Can this part be used in both the 6CT and 6CT8.3 engine models?
A3: Yes, the part number 3934927 is listed as compatible with both the Cummins 6CT and 6CT8.3 engine series. Always cross-reference your engine’s specific serial number and service manual to confirm fitment.

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 .