Product Overview

This is a premium-quality Idle Gear Shaft designed for Isuzu 4HK1 diesel engines. As a leading supplier of genuine and aftermarket engine components, we provide reliable parts for commercial fleets, repair shops, and distributors worldwide. Our products are engineered for durability and precise fitment, ensuring optimal engine performance and longevity in demanding applications across North America, Europe, Asia-Pacific, and the Middle East.

Key Features & Benefits

• Precision Engineered: Manufactured to exact OEM specifications for a perfect fit and seamless operation within the engine’s gear train.
• Superior Durability: Constructed from high-grade materials to withstand high torque and continuous stress, ensuring a long service life.
• Optimal Power Transfer: Ensures smooth engagement and correct timing of auxiliary components driven by the idle gear, contributing to overall engine efficiency.
• Reduced Vibration & Noise: Precise machining minimizes gear lash and vibration, leading to quieter and more stable engine operation.
• Cost-Effective Maintenance: A reliable replacement part that helps avoid costly downtime for commercial vehicles and industrial machinery.

Technical Specifications

OEM Cross-Reference

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

• Isuzu: 8-97186398-1, 8971863981

Compatibility

This Idle Gear Shaft is specifically designed for the Isuzu 4HK1 diesel engine. This engine is commonly found in a range of Isuzu commercial vehicles and industrial equipment, including:

• Isuzu Forward / Elf trucks (with 4HK1 engine)
• Isuzu Giga trucks (with 4HK1 engine)
• Various bus chassis and specialized industrial machinery powered by the 4HK1 engine platform.

Note: Always verify your engine model and existing part number before ordering to ensure correct fitment.

Global Supply & Distribution

We are a trusted global partner for automotive engine parts. Our logistics network ensures efficient delivery to key industrial and commercial hubs worldwide.

• Worldwide Shipping: We export to North America (USA, Canada, Mexico), Europe (UK, Germany, Benelux), Asia-Pacific (Australia, Japan, Southeast Asia), the Middle East, and Africa.
• Fast Delivery to Major Ports: Consolidated shipments to major ports like Los Angeles, Rotterdam, Singapore, and Jebel Ali for streamlined regional distribution.
• Export Expertise: All documentation, including commercial invoices, packing lists, and certificates of origin, is prepared in full compliance with international trade regulations.
• B2B Focus: We specialize in serving wholesale distributors, large repair networks, and fleet operators with volume orders and customized logistics solutions.

Quality Assurance

Our commitment to quality ensures you receive a part you can depend on.

• Manufacturing Standards: Produced using advanced CNC machining and heat treatment processes to meet or exceed original performance specifications.
• Rigorous Testing: Each batch undergoes dimensional checks, hardness testing, and visual inspections to guarantee integrity and precision.
• Warranty: Backed by a standard warranty against manufacturing defects. Contact us for specific warranty terms applicable to your region and order volume.

FAQ

Q1: How do I confirm this shaft is compatible with my specific 4HK1 engine?
A1: The surest method is to cross-reference the part number. Please check the existing shaft or your service manual for the number 8-97186398-1 or 8971863981. You can also provide your engine’s serial number for our technical team to verify.

Q2: What is the typical cause of failure for an idle gear shaft, and how can I prevent it?
A2: Failure is often due to improper lubrication, excessive gear wear transferring stress to the shaft, or bearing seizure. To prevent premature failure, ensure regular engine oil changes with the correct grade of oil and promptly address any unusual gear train noises or vibrations.

Q3: Do you provide technical support for installation?
A3: Yes. We can supply basic installation guidelines and torque specifications. For complex engine work, we always recommend consultation with the vehicle’s official service manual or a certified mechanic, as proper installation is critical for timing and engine safety.

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 .