This Koyorad radiator drops into Toyota Prado KZJ diesel manuals from 1999 to 2003 and keeps the cooling system in check on long grades. The core stands at 575 mm high and 638 mm wide so it fills the factory shroud and grabs plenty of airflow. The 25 mm thick core manages heat when you load the wagon with camping gear or tackle slow rocky climbs. The inlet neck measures 37 mm and the outlet 38 mm so your factory hoses clamp up without drama. The built in transmission cooler suits the Prado manual layout and keeps the driveline happy on hot highway runs. The tank and core layout match the original mounts so you get a smart buy without chasing brackets. This is solid gear for anyone who wants their KZJ to get out there without temperature spikes.

• Direct replacement radiator for Toyota Prado KZJ diesel manual models
• Suits year range 1999 to 2003
• Core height measures 575 mm for full shroud coverage
• Core width of 638 mm maximises frontal airflow
• Core thickness of 25 mm balances cooling and fitment
• Inlet neck diameter is 37 mm to match factory hose
• Outlet neck diameter is 38 mm for secure clamping
• Integrated transmission cooler section supports manual driveline layout
• Built to handle repeated heat cycles in Australian conditions
• Suitable upgrade when the original Prado radiator is leaking or blocked

Q: Does this radiator suit automatic Toyota Prado models?

No. This radiator suits manual Toyota Prado KZJ diesel models from 1999 to 2003 only. The hose routing and cooler layout are matched to the manual driveline. Using it on an automatic can cause fitment issues and poor cooling performance. Always match the transmission type before ordering.

Q: What measurements should I check before ordering this radiator?

Check core height, width and hose diameters against your existing unit. This radiator uses a 575 mm core height and 638 mm core width. The inlet neck is 37 mm and the outlet neck is 38 mm. Measuring your old radiator helps avoid returns and downtime while the vehicle is off the road.

Q: Can this radiator be used with upgraded intercoolers or bullbars?

Yes, as long as there is still enough frontal airflow and space for the 575 mm by 638 mm core. Many bullbars and intercoolers are built to clear the factory size. If accessories block too much of the core face you may see higher temperatures under load. Always check clearance before final installation.

Q: Is new coolant required when installing this radiator?

Yes. A full coolant change is recommended whenever you replace a radiator. Fresh coolant protects the new core surfaces and helps manage corrosion inside the system. Reusing old coolant can introduce contaminants into the new unit. Always bleed the system properly after refill to avoid hot spots.

Suits Toyota Prado KZJ diesel manual models built from 1999 to 2003. Fitment replaces the factory radiator on manual transmission vehicles only. Confirm core height of 575 mm and width of 638 mm against the original unit before install. Professional installation is recommended for correct coolant level and hose alignment.