Mitsubishi CAT 6121 Grader Turbo OE 38AB004B

Turbocharger — OEM Grade Power and Efficiency

Restore factory boost, fast spool, and clean emissions with this OEM grade turbocharger. Correctly installed, it brings back low-end torque, mid-range pull, and efficient cruising. Built for South African conditions with reliable materials, balanced cores, and precise actuators.

What this turbo restores

• Factory boost and clean acceleration
• Efficient cruising with lower EGT and stable temps
• Reduced smoke, better emissions and fuel economy
• Quiet, balanced operation with correct actuator control

Compatibility and control types

What is included

• Turbocharger assembly as listed for the vehicle application
• Actuator type as specified by the OE reference
• Gaskets and fittings where applicable

Images are for illustration. Match by OE number, engine code, and connector. Contact us with your VIN for fitment support.

Installation best practice

• Replace oil feed and return lines. Do not reuse sludge coated pipes or old seals
• Flush lubrication system. New filter and manufacturer approved turbo rated oil
• Flush cooling system. Radiator, heater circuit, thermostat or housing. Bleed correctly
• Inspect intake and intercooler. Clear debris and oil, verify pressure integrity
• Prime the turbo with clean oil and crank to build pressure before first fire
• Initial run in. Idle, check pressure and leaks. Avoid load for the first 100 km
• No hot shutdowns. Idle briefly before switching off to prevent heat soak

Replace if you notice

• Whine or siren noise, slow spool, or low boost faults
• Excess smoke, oil in intercooler, or boost leaks
• Overheating under load. Possible cooling or VGT control issues

FAQs

Warranty and important notes

• 12 month warranty against manufacturing defects
• Warranty requires new oil feed and return lines, correct coolant, full system flush, and priming
• Using tap water, mixed coolants, or skipping bleed procedures may void warranty