Parts for your 2017 Toyota Land cruiser-Radiator hose

2017 Toyota Land Cruiser Radiator Hose — What It Does and When to Replace It

Yes, a radiator hose is absolutely used on the 2017 Toyota Land Cruiser. Technical references such as the Toyota Land Cruiser 200 Series Repair Manual (Cooling section) and the Toyota Electronic Parts Catalogue for URJ200 (petrol V8) and VDJ200 (V8 diesel) list both upper and lower radiator hoses connected between the engine outlets and the radiator. These hoses are standard components of the cooling system and are essential for managing engine temperature under Aussie and Kiwi conditions.

On a 2017 Land Cruiser, the radiator hoses circulate coolant between the engine and the radiator to carry heat away, keeping temps stable whether it’s towing a boat or crawling along a fire trail. Built from heat- and pressure-rated rubber (EPDM), they handle expansion, vibration, and constant thermal cycling. When they age, they can harden, soften, swell, crack, or seep at the clamps—any of which can lead to overheating if ignored.

For servicing, most workshops in Australia and New Zealand check hoses at every service interval. While Toyota generally specifies condition-based replacement rather than a strict time/km rule, many owners opt to replace radiator hoses at around 6–10 years or 100,000–150,000 km, sooner if the vehicle tows, sees corrugations, or works in high heat. It’s smart to do hoses when the coolant is renewed to save labour and downtime.

• What to look for: soft spots, cracks, glazing, bulges, oil contamination, white crusty residue, or dampness near clamps.
• Best practice: use quality EPDM hoses and the correct spring or constant-tension clamps, orient clamps to avoid chafe.
• Coolant tip: refill with Toyota Super Long Life Coolant (pink, premixed) and don’t mix types, bleed air properly and run the heater to purge the circuit.
• DIY safety: only work on a cold engine, pressurised hot coolant can cause serious burns. Dispose of old coolant responsibly.

If the Land Cruiser shows an overheating warning, sweet coolant smell, steam under the bonnet, or a sudden drop in the expansion tank, park up and investigate the hoses and clamps first. Keeping on top of hose condition is cheap insurance for the 200 Series, protecting head gaskets, water pumps, and your trip plans.

Popular questions about the 2017 Toyota Land Cruiser radiator hose

Do the petrol and diesel 200 Series both use radiator hoses?
Yes. Both the 3UR-FE petrol V8 and the 1VD-FTV diesel V8 have upper and lower radiator hoses, plus associated heater hoses. The routing and diameters differ by engine, but the job is the same—move coolant between the engine and the radiator under pressure.

How often should radiator hoses be replaced?
They’re typically replaced on condition. Inspect at each service. Many owners choose 6–10 years or 100,000–150,000 km as a preventive window, earlier if the vehicle tows heavy, sees lots of corrugations, or runs in high ambient temps.

What coolant should be used after changing hoses?
Use Toyota Super Long Life Coolant (pink, premixed). Avoid mixing coolants, and always bleed the system properly to remove air. Check the under-bonnet label or service information for capacity and bleeding points, and recheck the level after the first heat cycle.