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Fitment checkOEM number, engine model, and machine model confirmation.
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Export supportPacking notes, mixed order support, and shipping details.
Product Details
Product Overview
This premium Diesel Engine Assembly is a high-quality, new genuine unit designed to meet the exacting standards of Isuzu-powered heavy equipment. The assembly is identified by the core part number 4JB1 and is also compatible with a wide range of Isuzu engine models including the 4HK1, 6WG1, 6HK1, 6RB1, 6BG1T, 6BD1, 4BG1, 4BD1, and 4LE1 series.
Primarily intended for use in excavators and trucks, this complete engine assembly serves as a direct replacement or upgrade for machinery operating in demanding construction, mining, and logistics environments. Sourced from Japan, this unit ensures robust performance and long-lasting durability. Please verify your specific engine model (e.g., 4JB1) and application (e.g., excavator truck) to confirm fitment, as this assembly is commonly used for these purposes.
Key Features & Benefits
Genuine Quality: Manufactured as a new, genuine assembly, ensuring OEM-level reliability and performance for your Isuzu engine.
Broad Compatibility: Covers a vast range of Isuzu engine families (4JB1, 4HK1, 6WG1, 6HK1, 6RB1, 6BG1T, 6BD1, 4BG1, 4BD1, 4LE1), simplifying inventory for multi-machine fleets.
Long-Lasting Parts: Engineered with durable components to withstand the high-stress conditions of excavator and truck operations, reducing downtime.
Direct Fit Design: Designed as a complete assembly for straightforward installation, minimizing labor costs and complex modifications.
Immediate Availability: Low Minimum Order Quantity (MOQ) of 1 piece, making it accessible for single-machine repairs or small fleet maintenance.
Reliable Warranty: Backed by a 6-month warranty, providing peace of mind and protection for your investment.
Technical Specifications
Specification
Details
Part Number
4JB1
Engine Model
4JB1
OEM Number
4HK1
Condition
New; Genuine
Application
Excavator, Truck
Place of Origin
Japan
Warranty
6 Months
MOQ
1 Piece
Year Fitment
1993-2003 (Typical for 4JB1 models)
Product Name
Engine Assembly
OEM Cross-Reference
This engine assembly is a direct replacement for the following Isuzu OEM engine models and numbers. While the primary part number is 4JB1, it is cross-referenced for compatibility with:
Note: The OEM number (4HK1) listed in the specifications indicates a common cross-reference or supersession. Always verify your engine’s exact model stamping before ordering.
Compatibility
This diesel engine assembly is commonly used for the following applications and equipment:
Typical Applications: Construction machinery, material handling, and commercial transport.
Important Fitment Note: Fitment is inferred from the provided engine models and applications. We strongly recommend confirming your specific engine model (e.g., 4JB1) and the year of your equipment (typically 1993-2003 for 4JB1 models) to ensure compatibility.
Global Supply & Distribution
We offer worldwide shipping capabilities to support international B2B buyers. Our distribution network efficiently serves major markets including:
North America: USA, Canada, Mexico
Europe: Germany, UK, France, Netherlands, Italy
Asia-Pacific: Australia, Japan, South Korea, Singapore, Thailand
Middle East: UAE, Saudi Arabia, Qatar, Kuwait
South America: Brazil, Chile, Argentina, Peru
Africa: South Africa, Nigeria, Kenya, Egypt
We provide fast delivery to major ports and industrial centers, with flexible logistics options to meet your project timelines. Our export experience ensures smooth customs clearance and international trade compliance for all shipments.
Quality Assurance
Our diesel engine assemblies are manufactured to rigorous standards, ensuring consistent quality and performance. Key quality measures include:
Manufacturing Standards: Produced in ISO-certified facilities, following stringent OEM specifications.
Testing Procedures: Each assembly undergoes functional testing to verify compression, oil pressure, and overall operational integrity before shipment.
Warranty: All units are backed by a 6-month warranty against manufacturing defects, providing you with reliable coverage and support.
Material Quality: Components are made from high-grade materials designed for long-lasting performance in heavy-duty applications.
FAQ
Q1: How do I confirm this engine assembly fits my specific Isuzu excavator or truck? A1: First, locate the engine model stamping on your current engine block (e.g., 4JB1, 4HK1, 6HK1). Cross-reference this with the list of compatible engine models provided above. Additionally, note your equipment’s model and year (typically 1993-2003 for 4JB1). If you need further verification, please contact us with your vehicle’s VIN or engine serial number for a detailed compatibility check.
Q2: What is included in the complete engine assembly? A2: This is a complete engine assembly, typically including the cylinder block, cylinder head, pistons, connecting rods, crankshaft, camshaft, timing components, oil pump, and water pump. It is designed as a “long block” or “short block” ready for installation. For a precise list of included components, please request our detailed technical datasheet.
Q3: What maintenance is recommended after installation? A3: After installation, we recommend the following: 1) Run a break-in period of 50-100 hours at moderate loads. 2) Change the engine oil and oil filter after the break-in period. 3) Regularly check and adjust valve clearances per the Isuzu service manual. 4) Use high-quality diesel fuel and recommended coolant to maximize engine life. Always follow the manufacturer’s maintenance schedule for your specific engine model.
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