Home Products Diesel Engine Parts Isuzu 4JB1 Cylinder Block Assembly 8-94437397-6 8-94312799-0 | 8944373976 8943127990

Diesel Engine Parts

Isuzu 4JB1 Cylinder Block Assembly 8-94437397-6 8-94312799-0 | 8944373976 8943127990

MOQ: 1pcs Price: Negotiable

Part No.: 8-94437397-6 / 8-94312799-0
Engine Model: Isuzu 4JB1
Application: Industrial, Agricultural, Marine, Automotive
Material: High-Grade Cast Iron
Quality: New (Aftermarket OEM Replacement)

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Product Details

4jb1 Cylinder Block Assembly 8-94437397-6 8-94312799-0 8944373976 8943127990 For Isuzu Diesel Engine

Product Overview

This high-quality Isuzu 4JB1 Cylinder Block Assembly (Part Numbers: 8-94437397-6 / 8-94312799-0) is a direct replacement component designed for the renowned Isuzu 4JB1 diesel engine. Manufactured to meet or exceed OEM specifications, this cylinder block serves as the robust foundation for engine rebuilds and replacements. We supply this critical engine part globally, serving major markets including North America, Europe, Southeast Asia, the Middle East, South America, and Africa, ensuring fast and reliable delivery to industrial hubs and ports worldwide.

Key Features & Benefits

OEM Standard Quality: Manufactured using high-grade cast iron for superior strength and dimensional stability, matching exact OEM specifications for a perfect fit.
Enhanced Durability: Precision-machined cylinder bores and critical mating surfaces ensure long service life and optimal piston ring seal, reducing oil consumption.
Rigorous Testing: Each block undergoes strict pressure testing and dimensional inspection to guarantee structural integrity and zero defects.
Corrosion Resistance: Treated with anti-corrosion coatings to withstand harsh operating environments, extending the engine’s operational lifespan.
Direct Fitment: Engineered as a direct bolt-on replacement for the Isuzu 4JB1 engine, minimizing installation time and labor costs for mechanics and workshops.

Technical Specifications

Specification	Details
Part Number	8-94437397-6 / 8-94312799-0
Alternative Numbers	8944373976, 8943127990
Engine Model	Isuzu 4JB1
Material	High-Grade Cast Iron
Condition	New (Aftermarket OEM Replacement)
Application	Industrial, Agricultural, Marine, Automotive

OEM Cross-Reference

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

Isuzu: 8-94437397-6
Isuzu: 8-94312799-0
Isuzu: 8944373976
Isuzu: 8943127990

Compatibility

Engine Models: Isuzu 4JB1, 4JB1-T (Turbocharged variants)
Vehicle Applications: Isuzu Elf (N-Series) trucks, Isuzu MU, Isuzu Rodeo, Isuzu Fargo, and various industrial machinery powered by the 4JB1 engine.
Year Range: Typically compatible with models manufactured from the 1980s through the early 2000s. Please verify with your engine serial number.

Global Supply & Distribution

Worldwide Shipping: We offer fast and reliable shipping via sea, air, and express couriers (DHL, FedEx, UPS) to all major global destinations.
Major Markets: Serving North America, Europe, Southeast Asia (Thailand, Vietnam, Indonesia), Middle East (UAE, Saudi Arabia), South America (Brazil, Argentina), and Africa (Nigeria, Kenya, South Africa).
Fast Delivery: Stock is available for immediate dispatch from our warehouses, ensuring minimal downtime for your operations.
Export Compliance: We have extensive experience in international trade and ensure all shipments comply with local customs regulations.

Quality Assurance

Manufacturing Standards: Produced under strict ISO 9001 quality management systems.
Warranty: Comes with a standard 12-month warranty against manufacturing defects.
Testing Procedures: 100% inspected for dimensional accuracy, material composition, and pressure integrity before shipment.

FAQ

Q: Is this cylinder block a direct fit for my Isuzu 4JB1 engine?
A: Yes, this block is manufactured as a direct OEM replacement. It features the same bolt patterns, bore dimensions, and critical mounting points as the original Isuzu part. However, we always recommend comparing the part number (8-94437397-6 or 8-94312799-0) with your original block before ordering.

Q: Do I need to machine the cylinder bores before installation?
A: No. This is a finished cylinder block assembly. The cylinder bores are pre-honed to exact specifications for standard-sized pistons. However, for optimal performance and longevity, it is best practice to have the block inspected by a professional engine builder and to install new pistons, rings, and bearings during the rebuild.

Q: Can this block be used for a turbocharged 4JB1-T engine?
A: Yes, this block is suitable for both naturally aspirated (4JB1) and turbocharged (4JB1-T) variants. The cast iron construction provides the necessary strength to withstand the higher cylinder pressures of forced induction. Ensure you use the correct turbo-specific pistons and gaskets for your application.