Description
Product Overview
Part Name: Engine Cylinder Head
Part Number: 4JG2 / 4JG2-TC (Cylinder Head Assembly)
Vehicle Compatibility: Suitable for Isuzu Trooper, Isuzu Bighorn, Isuzu Wizard, Holden Jackaroo, and Opel Monterey diesel vehicles equipped with the 4JG2 or 4JG2-TC 3.1L turbo diesel engine, manufactured between 1992–2004. Designed to match OEM cylinder head specifications used across the 4JG2 engine family.
Configuration: High-strength cast cylinder head featuring precision-machined combustion chambers, reinforced valve-seat areas, optimized intake/exhaust port design, coolant passages and oil galleries for stable, long-life operation in high-compression diesel engines.
Function: Seals the combustion chamber, supports valves and injectors, regulates airflow and maintains optimal compression for efficient diesel combustion, strong torque output and reliable engine performance.
Technical Specifications
Type: Diesel engine cylinder head (3.1L 4JG2/4JG2-TC)
Material: Heat-resistant cast alloy with hardened valve-seat inserts and precision-machined surfaces
Application: Fits Isuzu 4JG2 and 4JG2-TC engines in Trooper/Bighorn/Wizard/Jackaroo/Monterey models
Cross-Reference: Compatible with cylinder heads matching OEM valve layout, gasket pattern, injector bore size and port geometry across the 4JG2 diesel engine family
Installation: Recommended during top-end rebuilds or when experiencing loss of compression, overheating, cracked head, warped surfaces, coolant leakage or valve-train damage
Service Interval: Replace when structural wear, combustion leakage or overheating affects performance
Delivery & Availability
Stock Options: Cylinder heads available in ready stock
Delivery Time: 3–7 days internationally
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