The gearbox for the Isuzu 4JG2 3.1 TD / 2.2 NAQ is a high-quality, durable transmission designed to handle both turbocharged (3.1 TD) and naturally aspirated (2.2 NAQ) Isuzu engines. Available in both manual (M) and automatic (A) variants, this gearbox is compatible with a range of Isuzu pickups, SUVs, and commercial vehicles, providing smooth gear changes, reliable performance, and long-lasting operation.
Manufactured by Isuzu to OEM specifications, this transmission features reinforced gear sets, precision synchronizers, and a robust casing to handle the torque and power of diesel engines. The automatic version comes with a high-performance torque converter and hydraulic control system for effortless shifting, while the manual version offers precise control and a direct driving experience.
Ideal for replacement, rebuild, or upgrade projects, this new gearbox restores OEM-level performance and ensures smooth, reliable operation under daily or heavy-duty driving conditions. Its construction ensures durability and efficiency, making it a perfect choice for workshops, mechanics, and Isuzu owners seeking a high-quality drivetrain solution.





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