Product Details

Product Overview

This high-performance Hou Duo QDJ2401A Diesel Starter Motor is a direct replacement designed for Isuzu 4HK1 engines commonly found in heavy machinery, excavators, and industrial equipment. Engineered for robust 24V electrical systems, this 5.5kW starter delivers reliable cranking power under demanding conditions. As a trusted aftermarket component, we supply this part globally to markets in North America, Europe, Southeast Asia, and the Middle East, ensuring fast shipping to major industrial ports and distribution centers.

Key Features & Benefits

• High Torque Output: 5.5kW power rating ensures reliable engine starts in cold weather and high-load conditions.
• Durable Construction: Built with heavy-duty materials to withstand vibration, heat, and continuous use in construction and mining environments.
• Precision Engineering: 13-tooth pinion gear ensures perfect mesh with the flywheel ring gear for smooth engagement and reduced wear.
• Direct OEM Replacement: Designed to match original specifications for the Isuzu 4HK1 engine, simplifying installation and minimizing downtime.
• Long Service Life: Features sealed bearings and high-grade copper windings for extended operational lifespan.

Technical Specifications

OEM Cross-Reference

This starter motor replaces the following OEM and aftermarket part numbers:

• Isuzu OEM: 8-35104306-5, 8-35104306-0
• Alternative Numbers: QDJ2401A, 35104306
• Cross Reference: Fits multiple aftermarket brands including Hou Duo, Delco Remy, and Bosch equivalents for 4HK1 applications.

Compatibility

This starter motor is specifically designed for the following engines and applications:

• Engine Models: Isuzu 4HK1-TC, 4HK1-X
• Vehicle/Equipment Applications:
  • Excavators: Hitachi ZX200, ZX210, ZX240 series
  • Wheel Loaders: Various models using 4HK1 engines
  • Industrial generators and pumps
• Year Range: 2004–2020 (verify fitment with your specific engine serial number)

Global Supply & Distribution

We offer worldwide shipping with reliable logistics partners to ensure fast delivery to your location. Our distribution network covers:

• North America: Major ports including Los Angeles, Houston, New York, and Toronto.
• Europe: Rotterdam, Hamburg, Antwerp, and key inland hubs.
• Asia-Pacific: Singapore, Shanghai, Dubai, and Tokyo.
• Middle East & Africa: Jebel Ali, Durban, and Lagos.
• Export Experience: Over 10 years of international trade, complying with customs regulations and providing necessary documentation for smooth clearance.

Quality Assurance

We prioritize quality at every stage of production. Each starter motor undergoes rigorous testing to ensure reliability and performance.

• Manufacturing Standards: ISO 9001 certified production facility.
• Testing: 100% load testing for torque and voltage output before shipment.
• Warranty: 12-month warranty against manufacturing defects. Contact us for warranty claims or technical support.

FAQ

Q: Will this starter motor fit my Isuzu 4HK1 engine in a Hitachi ZX200 excavator?
A: Yes, this QDJ2401A starter motor is a direct replacement for the Isuzu 4HK1 engine used in Hitachi ZX200, ZX210, and similar excavators. It matches the OEM specifications including the 13-tooth pinion and 24V system. Always verify your engine serial number and mounting pattern to ensure compatibility.

Q: What maintenance is required to extend the life of this starter?
A: To maximize service life, ensure the battery is fully charged and cables are clean and tight. Avoid prolonged cranking (more than 15 seconds at a time). Periodically inspect the pinion gear for wear and clean the mounting area to prevent debris buildup. Lubrication is not required as bearings are sealed.

Q: Is this a genuine OEM part or an aftermarket replacement?
A: This is a high-quality aftermarket replacement manufactured by Hou Duo. It is built to meet or exceed OEM specifications for the Isuzu 4HK1 engine. While it is not an Isuzu-branded part, it offers reliable performance at a competitive price point, backed by a 12-month warranty.

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 .