Parts for your 2011 Toyota Land cruiser-Radiator

2011 Toyota Land Cruiser Radiator: what it does and how to look after it

Technical sources confirm the 2011 Toyota Land Cruiser (200 Series) is fitted with a conventional liquid-cooling radiator. The Toyota Factory Service Manual for the 200 Series (2011), section CO—Cooling, details the radiator, hoses, thermostat and bleeding procedure. Toyota’s Electronic Parts Catalogue lists radiator assemblies for both engines fitted that year, including 3UR-FE petrol (e.g., 16400-0S070) and 1VD-FTV diesel (e.g., 16400-38190), typically by Denso with an integrated automatic transmission fluid cooler.

On a 2011 Land Cruiser, the radiator’s job is simple but critical: it sheds heat from the engine coolant so the V8 stays in its happy zone whether it’s towing a van across the Nullarbor or crawling a rutted track in Northland. Hot coolant leaves the engine, passes through the radiator core, and airflow across the fins—helped by the fan—pulls the heat out before coolant loops back to the block. Many auto models also run the transmission fluid through a small cooler in the radiator tank, so the unit has a double duty.

For servicing, stick with Toyota Super Long Life Coolant (pink). Under normal conditions, Toyota’s schedule calls for the first replacement at around 160,000 km or 10 years, then every 80,000 km or 5 years. If the vehicle tows heavy or sees dusty, hot outback work, a shorter interval (say 80–100,000 km) is smart. Never mix coolant types, if switching, fully flush with demineralised water.

When replacing the radiator, it’s good practice to fit new upper and lower hoses, fresh clamps, and a new radiator cap. Consider doing the thermostat while you’re there. Use OEM-quality units matched to your engine code and transmission, the wrong core thickness or fittings can cause cooling or trans line headaches. Bleeding matters: heater on HOT, run to operating temp with a spill-free funnel, top up as bubbles purge, then recheck the level over the next few drives.

• Watch for tell-tales: creeping temps on climbs, coolant smell, pink/white crust on tanks, damp end tanks or seams, and brittle plastic.
• Keep the fins clean—blow out bugs and seeds from the grille side, not with excessive pressure that folds fins.
• Autos: keep an eye out for “strawberry milkshake” (coolant and ATF mixing). If suspected, stop driving and sort it immediately.

Popular questions about 2011 Toyota Land Cruiser radiators

What coolant should be used?
Use Toyota Super Long Life Coolant (pink), which is premixed and ready to pour. It’s designed for the alloy components and seals in the 200 Series and offers long service life. Avoid mixing with green or red coolants—pick one and stick with it, or fully flush before changing type.

How often should the coolant be changed?
Under standard conditions: first change at about 160,000 km or 10 years, then every 80,000 km or 5 years. If the Land Cruiser tows regularly, idles in hot climates, or does slow, heavy off-road work, consider shorter intervals and more frequent inspections.

Can a failing radiator affect the transmission?
Yes—many 200 Series autos use an in-tank ATF cooler. If the internal cooler fails, coolant and ATF can cross-contaminate, causing rapid transmission damage. Any sign of milky fluid, overheating, or unexplained coolant loss warrants immediate inspection and likely radiator replacement.