Product Overview

This is a high-performance starter motor engineered for Cummins 4BT3.9 diesel engines, widely used in industrial and construction machinery. We specialize in the global supply of heavy-duty engine components, offering reliable shipping to major markets including North America, Europe, the Middle East, and Asia-Pacific. This direct replacement part ensures your equipment maintains optimal starting performance.

Key Features & Benefits

• Robust Construction: Built with high-grade materials to withstand the demanding conditions of construction sites and industrial applications.
• Reliable Cold-Weather Starting: The 2.8kW power output delivers strong cranking torque for dependable starts in various climates.
• Precision Fitment: Designed to exact OEM specifications for a seamless, bolt-on installation without modifications.
• Enhanced Durability: Features a durable 13-tooth pinion and quality internal components for extended service life and reduced downtime.
• Cost-Effective Solution: Provides OEM-level performance and reliability at a competitive price point for fleet managers and equipment owners.

Technical Specifications

OEM Cross-Reference

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

• Primary Part #: 3708N-010
• Common Cross-Reference: 3934153, 3944153 (Verify application for specific equipment model)

Compatibility

This starter motor is specifically designed for Cummins 4BT3.9 diesel engines. These engines are commonly found in a wide range of heavy-duty applications, including:

• Excavators & Construction Equipment: Various models from Komatsu, Caterpillar, Hitachi, and others utilizing the 4BT3.9 power unit.
• Industrial Generators & Pumps: Stationary and mobile power generation sets.
• Agricultural Machinery: Certain tractors and harvesters.

Note: Always verify the specific model number of your engine or equipment before ordering to ensure correct fitment.

Global Supply & Distribution

We are a trusted supplier in the global heavy-duty parts network. Our logistics are optimized for international B2B trade, ensuring smooth delivery to your nearest port or industrial hub.

• Worldwide Shipping: We export to all major continents with expertise in customs documentation and compliance.
• Key Markets Served: North America (USA, Canada, Mexico), Europe (UK, Germany, Netherlands), Middle East (UAE, Saudi Arabia), Asia-Pacific (Australia, Singapore, Japan), and South America.
• Efficient Logistics: We partner with reliable freight forwarders to offer competitive sea and air freight options to major ports like Los Angeles, Rotterdam, Singapore, and Jebel Ali.
• Export Compliance: All shipments are prepared with proper commercial invoices, packing lists, and harmonized system (HS) codes for seamless clearance.

Quality Assurance

We are committed to supplying parts that meet the high standards required for industrial diesel engines.

• Manufacturing Standards: Produced under strict quality control systems (ISO 9001-aligned processes) using certified materials.
• Performance Testing: Each starter undergoes rigorous bench testing for voltage draw, cranking speed, and solenoid engagement to ensure operational reliability.
• Warranty: Backed by a standard 12-month warranty against manufacturing defects, providing peace of mind for your operations.

FAQ

Q1: Is this starter motor a direct bolt-on replacement for my Cummins 4BT3.9 engine?
A1: Yes. This 3708N-010 starter motor is manufactured to the exact OEM specifications for the Cummins 4BT3.9 engine, ensuring proper alignment with the flywheel and mounting points for a straightforward installation.

Q2: What is the significance of the 2.8kW and 13-tooth specifications?
A2: The 2.8kW (kilowatt) rating indicates the power output, which is sufficient to crank the 4-cylinder 3.9-liter engine effectively, even in cold conditions. The 13-tooth pinion is designed to correctly mesh with the specific ring gear on the engine’s flywheel, preventing damage and ensuring smooth engagement.

Q3: Do you provide technical support for installation and compatibility questions?
A3: Absolutely. Our technical team can assist with pre-purchase compatibility checks. We recommend having your engine serial number or host equipment model (e.g., excavator model) ready for the most accurate verification to ensure a perfect fit.

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 .