This Koyorad radiator slots into Toyota Hiace KDH 3.0L auto models from 2014-on, so you can keep the van ready to tackle long highway runs and heavy city stop start work. The core stands at 510 mm high and 650 mm wide, giving decent frontal area for heat loss when the van is loaded with tools or gear. A 27 mm thick core keeps coolant volume up on long climbs or hot days.

The integrated 390 mm transmission cooler helps manage auto trans temps when you get out there with constant deliveries or airport runs. Both inlet and outlet sit at 38 mm diameter, so standard hoses line up without drama. A 10 mm breather port helps with bleeding and pressure control after a coolant change. For anyone running a working Hiace, this is smart buy replacement gear with sizing that matches factory hardware.

• Suits Toyota Hiace KDH 3.0L diesel vans
• Fits automatic transmission models from 2014-on
• Core height of 510 mm for effective cooling
• Core width of 650 mm to fill front opening
• Core thickness of 27 mm for consistent coolant volume
• 38 mm inlet diameter to match OEM hose
• 38 mm outlet diameter for straightforward connection
• 10 mm breather fitting for pressure control
• 390 mm integrated transmission cooler for auto gearbox
• Direct replacement-style radiator from Koyorad

Q: Does this radiator suit manual transmission Hiace models?

No, this radiator is specified for automatic transmission models. The unit includes a 390 mm integrated transmission cooler that connects to the auto gearbox lines. Manual models do not use these fittings and generally run a different configuration. Check your VIN and transmission type before ordering to avoid mismatch.

Q: What engine size and series does this radiator suit?

This radiator suits the 3.0L KDH series Toyota Hiace diesel. The sizing and hose diameters are set up for that engine layout from 2014-on. Using it on a different engine series may cause alignment and cooling issues. Always match part numbers against your build plate or workshop data.

Q: What are the hose diameters on this radiator?

Both the inlet and outlet hose connections are 38 mm diameter. This matches the typical factory radiator hoses on the 3.0L KDH Hiace auto. Matching diameters help maintain clamp sealing and coolant flow. If your existing hoses are damaged, replace them with 38 mm compatible hoses during installation.

Q: Is the transmission cooler built into the radiator?

Yes, this radiator includes an integrated transmission cooler measuring 390 mm. The cooler sits in the lower tank area and connects to the automatic transmission oil lines. This layout keeps coolant and transmission temperatures within range. Make sure the cooler lines are flushed and correctly tightened during fitting.

• Suits Toyota Hiace KDH 3.0L turbo diesel
• Suits automatic transmission models only
• Applicable year range: 2014-on
• Includes integrated transmission cooler for auto models
• Vehicle-specific replacement radiator
• Professional installation recommended