Shaft Idle Gear 8-97186398-1 8971863981 for Isuzu 4HK1 Excavator Engine Parts

Product Details

Product Overview

This genuine Shaft Idle Gear, identified by part numbers 8-97186398-1 and 8971863981, is a critical component engineered specifically for the Isuzu 4HK1 diesel engine. As a precision-machined part, it ensures proper gear train alignment and timing within the engine, reducing noise and preventing premature wear.

Designed for demanding excavator applications, this shaft idle gear is manufactured to meet Isuzu’s original equipment specifications. It is commonly used in heavy machinery where reliability and long service life are non-negotiable. While our primary data indicates compatibility with excavators, this part may also be suitable for other industrial equipment powered by the 4HK1 engine, such as generators or compressors. We recommend verifying fitment with your specific engine serial number before purchase.

Key Features & Benefits

• OEM Genuine Quality: This is a genuine, factory-origin part from Japan, ensuring exact material composition and dimensional tolerances as the original component.
• Precision Engineered Fitment: Manufactured specifically for the Isuzu 4HK1 engine, guaranteeing correct gear mesh and backlash, which prevents drivetrain noise and vibration.
• Enhanced Durability: Built with high-strength alloy steel and hardened surfaces to withstand the high torque and cyclic loads typical in excavator operations.
• Reduced Downtime: As a long-lasting part, it minimizes the frequency of replacement, keeping your excavator operational and reducing maintenance costs.
• Easy Identification: Marked with the original part numbers (8-97186398-1 / 8971863981) for quick cross-referencing against your service manual or existing component.

Technical Specifications

OEM Cross-Reference

This shaft idle gear is a direct replacement for the following original equipment manufacturer (OEM) numbers. Verify your existing part number for a perfect match.

• Isuzu: 8-97186398-1
• Isuzu (Alternate): 8971863981

Compatibility

This part is specifically designed for the Isuzu 4HK1 diesel engine. It is commonly used for the following applications:

• Excavators: Various models from Hitachi, Kobelco, and Sumitomo that utilize the Isuzu 4HK1 power plant.
• Other Equipment: Forklifts, generator sets, and industrial pumps powered by the 4HK1 engine.

Important: Fitment is inferred based on the engine model. Always cross-reference your engine serial number and existing part number to ensure compatibility.

Global Supply & Distribution

We provide worldwide shipping for this genuine Isuzu shaft idle gear, ensuring fast delivery to major industrial hubs. Our logistics network covers:

• North America: Rapid delivery to ports like Los Angeles, Houston, and New York for the US and Canadian markets.
• Europe: Reliable shipping to Rotterdam, Hamburg, and Antwerp for distribution across the EU.
• Asia-Pacific: Direct supply to Japan, South Korea, Australia, and Southeast Asian markets including Singapore and Thailand.
• Middle East & Africa: Efficient service to Dubai, Jeddah, and major African ports.

With a standard delivery time upon payment receipt, we ensure your critical parts arrive when needed. All shipments comply with international trade regulations and are fully documented for customs clearance.

Quality Assurance

Every Shaft Idle Gear is sourced directly from Japanese manufacturing facilities, adhering to Isuzu’s strict quality control standards. Key quality points include:

• Manufacturing Standards: ISO 9001:2015 certified production processes ensure consistent quality.
• Warranty: Backed by a 3-month warranty against manufacturing defects, providing peace of mind for your investment.
• Testing: Each part undergoes dimensional inspection and hardness testing to verify it meets OEM specifications.
• After Warranty Support: We provide video technical support to assist with any installation or fitment questions beyond the warranty period.

FAQ

Q: How do I confirm this shaft idle gear fits my excavator?
A: First, check your engine model tag—it must be an Isuzu 4HK1. Then, locate the existing part number on your current shaft idle gear. If it reads 8-97186398-1 or 8971863981, this part is a direct fit. If you are unsure, please contact us with your engine serial number for verification.

Q: What is the installation procedure for this part?
A: Installation requires mechanical expertise. You must align the timing marks correctly during reassembly. We recommend using a workshop manual for your specific excavator model. Key steps include: removing the gear cover, cleaning the mounting area, lubricating the shaft, and torquing the retaining bolt to the manufacturer’s specification (typically 80-100 Nm for the 4HK1).

Q: How can I extend the lifespan of this idle gear?
A: Regular engine oil changes using the correct viscosity (typically 15W-40 for the 4HK1) are critical, as the gear relies on oil splash for lubrication. Additionally, inspect the gear for wear during every major service interval (every 2000 hours). If you notice excessive backlash or noise, replace the gear and its mating components promptly to avoid damage to the camshaft or crankshaft gears.