Product Overview

This is a premium-quality replacement pulley, part number 3914459, engineered for Cummins 6BT series diesel engines. As a leading global supplier of heavy-duty engine components, we provide reliable parts to major industrial markets worldwide, ensuring your machinery operates at peak performance with minimal downtime.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM specifications for a perfect fit and optimal balance, reducing vibration and wear on the crankshaft and accessory drive system.
• Superior Durability: Constructed from high-grade materials to withstand the high-torque demands and harsh operating conditions of industrial and construction equipment.
• Enhanced Performance: Ensures proper belt alignment and tension, which is critical for the efficient operation of the alternator, water pump, and other engine accessories.
• Direct Replacement: Designed as a direct bolt-on component, requiring no modifications for a straightforward installation process.
• Rigorous Quality Control: Each pulley undergoes stringent inspection to guarantee dimensional accuracy, material integrity, and performance reliability.

Technical Specifications

OEM Cross-Reference

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

• Cummins: 3914459

Always verify the part number on your original component before ordering to ensure compatibility.

Compatibility

This pulley is specifically designed for Cummins 6BT series diesel engines. These engines are commonly found in a wide range of heavy-duty applications, including:

• Excavators & Construction Machinery: Komatsu, Caterpillar, Hitachi, and other major brands utilizing Cummins 6BT power plants.
• Industrial Generators & Power Units: Stationary and mobile generator sets.
• Marine & Agricultural Equipment: Various off-road and auxiliary power applications.

Note: Compatibility can vary by specific equipment model and manufacturing year. Please consult your equipment manual or contact our technical support with your engine serial number for confirmation.

Global Supply & Distribution

We are a trusted partner in the global heavy equipment parts network. Our logistics are optimized for international B2B trade, ensuring efficient delivery to your project site or warehouse.

• Worldwide Shipping: We export to all major industrial regions, including North America, Europe, the Asia-Pacific, the Middle East, Africa, and South America.
• Fast Delivery to Hubs: Expedited shipping available to major ports and logistical centers such as Rotterdam, Los Angeles, Singapore, Dubai, and Hamburg.
• Export Compliance: All shipments are prepared with complete and accurate commercial documentation (invoice, packing list, certificate of origin) to ensure smooth customs clearance.
• Bulk & Container Orders: Competitive FOB/CIF quotes provided for large-volume purchases and full container load (FCL) shipments.

Quality Assurance

We stand behind the quality and performance of every part we supply.

• Manufacturing Standard: Produced in ISO-certified facilities using advanced CNC machining and quality control processes.
• Testing: Components are tested for dimensional accuracy, balance, and material hardness to meet or exceed industry standards.
• Warranty: Backed by a comprehensive 12-month warranty against manufacturing defects, providing peace of mind for your operations.

FAQ

Q1: How can I confirm this pulley will fit my specific Cummins 6BT engine?
A1: The most reliable method is to match the part number. Locate the pulley on your engine and verify the stamped part number is 3914459. Providing your engine’s full model designation and serial number to our team will allow us to give you a definitive compatibility check.

Q2: What is the recommended installation procedure for this crankshaft pulley?
A2: Installation requires proper tools and torque specifications. The crankshaft bolt must be torqued to the manufacturer’s specified value in the correct sequence (often in stages) using a calibrated torque wrench. We recommend referencing the official Cummins service manual or having the installation performed by a qualified technician to prevent damage to the crankshaft or bolt threads.

Q3: Do you offer technical support for installation and troubleshooting?
A3: Yes. Our technical support team is available to assist B2B clients with pre-purchase compatibility questions and basic installation guidance. For complex diagnostic issues, we recommend consulting with a certified engine service provider.

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 .