This Koyorad radiator slots straight into Patrol Y61 GU automatic models running the TB45E 4.5 litre petrol engine and deals with long hot climbs without fuss. The core stands at 450 mm high and 901 mm wide so it fills the factory opening and keeps airflow tidy. A 34 mm core thickness keeps coolant volume on point while 35.5 mm inlet and outlet sizes line up cleanly with the standard hoses. This setup brings a 375 mm integrated transmission cooler so the auto box stays steadier when you tow or crawl up rutted hills. The dimensions at 450 x 901 x 34 mm give a solid mix of cooling area and strength for corrugations. The matching 35.5 mm hose connections keep flow predictable when you are loaded with gear. The whole radiator is a smart buy for Patrol drivers who want proven cooling for Aussie conditions without overcomplicating the setup.

• Suits Nissan Patrol Y61 GU automatic TB45E 4.5L petrol engines from 1997-on
• Direct replacement for OEM reference numbers Nis038PACA and Nis2262
• Core height of 450 mm for strong frontal coverage
• Core width of 901 mm to match Y61 radiator support opening
• Core thickness of 34 mm balances coolant volume and airflow
• Inlet and outlet tube diameters both 35.5 mm to suit factory hoses
• Integrated 375 mm transmission cooler for automatic gearbox thermal control
• Radiator tailored to combined engine and transmission cooling duties
• Suitable for touring and towing use in high ambient temperatures
• Branded Koyorad replacement unit from Outback Equipment

Q: Does this radiator suit manual transmission Nissan Patrol Y61 models?

This radiator is specified for automatic transmission Patrol Y61 models with the TB45E 4.5L petrol engine. The core dimensions and integrated 375 mm transmission cooler are matched to auto setups. Manual models may use a different layout for lines and fittings. Check your existing radiator part number against Nis038PACA or Nis2262 before ordering.

Q: Do I need new hoses when fitting this Koyorad radiator?

You can reuse hoses if they are in sound condition and match the 35.5 mm inlet and outlet size. Old hoses often harden or crack near the clamps, which can cause leaks after refitting. Many owners choose fresh hoses when changing a radiator to avoid refilling coolant twice. Inspect your current hoses and clamps before you start the job.

Q: Is the transmission cooler inside this radiator enough for towing?

The radiator includes a 375 mm internal transmission cooler intended for standard towing within the vehicle ratings. For heavy or frequent towing, some drivers add an auxiliary external cooler in series for lower fluid temperatures. An extra cooler helps when hauling in high ambient heat or soft sand. Always monitor transmission service intervals when the vehicle works harder.

Q: Can this radiator be installed at home or should a workshop handle it?

A skilled home mechanic with tools can install a direct-fit radiator like this. The job involves draining coolant, disconnecting 35.5 mm hoses and transmission lines, swapping the core and bleeding the system. Incorrect bleeding or line routing can cause overheating or transmission issues. Many owners use a workshop so coolant disposal and pressure testing are handled properly.

Suitable for Nissan Patrol Y61 GU automatic models with TB45E 4.5L petrol engine from 1997 onward. Radiator includes a built-in transmission cooler for A/T applications. Install as a direct replacement for OEM units referenced as Nis038PACA and Nis2262. Professional installation is recommended to ensure correct hose routing and coolant and transmission fluid connections.