Oil Pump 8970331733, 8973859820 for Isuzu 4JA1, 4JA1T, 4JB1, 4JB1T, Engine Diesel

The Oil Pump 8970331733 / 8973859820 is a high-quality OEM-standard replacement designed for Isuzu 4JA1, 4JA1T, 4JB1, and 4JB1T diesel engines. This engine oil pump plays a critical role in maintaining consistent oil circulation, ensuring proper lubrication of internal engine components for smooth and efficient operation.

Manufactured with precision-machined components and durable materials, this oil pump provides stable oil pressure, reduces engine wear, and helps prevent overheating caused by insufficient lubrication. It restores engine reliability and extends engine life, making it ideal for engine repair, maintenance, or rebuild projects.

Designed for heavy-duty diesel applications, this oil pump delivers dependable performance under demanding operating conditions while maintaining OEM fitment and easy installation.

Key Features & Benefits:

• Direct replacement for 8970331733 and 8973859820

• Maintains stable engine oil pressure

• Ensures proper lubrication of engine components

• Reduces engine wear and overheating risk

• OEM-quality construction and precise fit

• Durable design for long service life

• Ideal for engine rebuild and maintenance

Engine Compatibility:

Isuzu Engines:

• 4JA1

• 4JA1T

• 4JB1

• 4JB1T

Vehicle Applications:

• Isuzu diesel trucks and pickup vehicles

• Commercial vehicles equipped with 4JA1 / 4JB1 engine series

• Industrial and agricultural equipment using compatible Isuzu engines

Frequently Asked Questions