Excavator Forged Steel Crankshaft 8-97603004-0 8976030040 for 4BD1 6BD1 6BG1 4HK1 6HK1 Engine

Product Details

Product Overview

This high-quality forged steel crankshaft, referenced by part numbers 8-97603004-0 and 8976030040, is a precision-engineered component designed for heavy-duty excavator and truck applications. As the core rotating assembly within the engine block, this crankshaft converts the linear motion of the pistons into rotational torque, ensuring reliable power delivery under extreme operational loads.

Manufactured to meet genuine OEM specifications, this crankshaft is commonly used in Isuzu 4BD1, 6BD1, 6BG1, 4HK1, and 6HK1 diesel engine platforms. It is an ideal replacement part for maintaining or rebuilding excavator engines, offering long-lasting performance in demanding construction and earthmoving environments.

Key Features & Benefits

• Forged Steel Construction: Provides superior strength and fatigue resistance compared to cast alternatives, ensuring durability under high-stress conditions.
• Precision Machining: Each journal and pin is ground to exact tolerances for optimal bearing fitment and reduced vibration.
• OEM Equivalent Fitment: Designed as a direct replacement for part numbers 8-97603004-0 and 8976030040, ensuring compatibility with Isuzu engine families.
• Strict Quality Control: Undergoes rigorous dimensional inspection and hardness testing to guarantee long service life.
• Corrosion Protection: Treated with anti-rust coating for safe storage and handling during shipping.
• Versatile Application: Suitable for both excavator and truck engine rebuilds, supporting a wide range of Isuzu diesel models.

Technical Specifications

OEM Cross-Reference

This crankshaft is a direct cross-reference for the following OEM numbers:

• 8-97603004-0 (Isuzu)
• 8976030040 (Isuzu)
• Compatible with Isuzu 4BD1, 6BD1, 6BG1, 4HK1, and 6HK1 engine series

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

Compatibility

This crankshaft is commonly used for the following engine models and applications:

• Engine Models: Isuzu 4BD1, 6BD1, 6BG1, 4HK1, 6HK1
• Vehicle Applications: Excavators, trucks, and heavy-duty construction equipment

Fitment is inferred based on common OEM specifications. Please confirm compatibility with your specific engine serial number.

Global Supply & Distribution

We offer worldwide shipping capabilities to meet the demands of international B2B buyers. Our distribution network covers major markets including North America, Europe, Asia-Pacific, the Middle East, and Africa. We provide fast delivery to major ports and industrial centers, with export experience in international trade compliance. Whether you are a parts distributor, repair shop, or fleet manager, we ensure timely delivery and reliable logistics support.

Quality Assurance

This forged steel crankshaft is manufactured under strict quality control standards, including dimensional accuracy checks and material hardness testing. It comes with a 6-month warranty against manufacturing defects. In the event of issues, we provide video technical support for troubleshooting and installation guidance. Our commitment to quality ensures long-lasting performance in the field.

FAQ

Q1: Is this crankshaft a direct replacement for my 4HK1 engine?
Yes, this part (8-97603004-0 / 8976030040) is designed as a direct replacement for the Isuzu 4HK1 engine. However, we recommend verifying your engine serial number and existing crankshaft part number to ensure complete compatibility.

Q2: What tools are needed for installation?
Installation requires standard engine rebuilding tools, including a torque wrench, bearing puller, and micrometer for measuring journal clearances. Proper lubrication of bearings and journals during assembly is essential. If you are not experienced, consult a professional diesel mechanic.

Q3: How should I maintain this crankshaft for long life?
Regular oil changes with high-quality diesel engine oil, maintaining proper oil pressure, and avoiding over-revving are key to extending crankshaft life. Inspect bearings and journals periodically for wear, and replace main and rod bearings as recommended by the engine manufacturer.