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Parts for your 2007 Toyota Aurion-Radiator hose

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Nulon Radiator Stop Leak 300mL - R50
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Nulon Radiator Stop Leak 300mL - R50

$14.70
$21
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Gates Radiator Hose Lower - 05-2231

Gates Radiator Hose Lower - 05-2231

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$154
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Penrite Radiator Stop Leak 375mL - ADRSL375

Penrite Radiator Stop Leak 375mL - ADRSL375

$30
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Gates Radiator Hose Upper - 05-1518

Gates Radiator Hose Upper - 05-1518

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$90
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Gates Radiator Hose Upper - 05-0920

Gates Radiator Hose Upper - 05-0920

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$66
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Gates Radiator Hose Upper - 05-1896

Gates Radiator Hose Upper - 05-1896

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$94
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Gates Radiator Hose Lower - 05-0919

Gates Radiator Hose Lower - 05-0919

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$45
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Gates Radiator Hose Lower - 05-1895

Gates Radiator Hose Lower - 05-1895

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$72
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Gates Radiator Hose - 05-2236

Gates Radiator Hose - 05-2236

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$137
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Gates Radiator Hose - 05-1818

Gates Radiator Hose - 05-1818

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$57
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Gates Radiator Hose Upper - 05-2316

Gates Radiator Hose Upper - 05-2316

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$146
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Gates Radiator Hose Upper - 05-0854

Gates Radiator Hose Upper - 05-0854

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$75
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Gates Radiator Hose Upper - 05-1968

Gates Radiator Hose Upper - 05-1968

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$86
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Gates Radiator Hose Lower - 05-0409

Gates Radiator Hose Lower - 05-0409

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$36
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Gates Radiator Hose - 05-1525

Gates Radiator Hose - 05-1525

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$41
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Gates Radiator Hose Upper - 05-2269

Gates Radiator Hose Upper - 05-2269

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$64
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Dorman Radiator Hose Connector - 627-001

Dorman Radiator Hose Connector - 627-001

$113
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Gates Radiator Hose Upper - 05-2071

Gates Radiator Hose Upper - 05-2071

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$211
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Gates Radiator Hose Lower - 05-1434

Gates Radiator Hose Lower - 05-1434

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$40
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Gates Radiator Hose Upper - 05-0732

Gates Radiator Hose Upper - 05-0732

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$38
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Gates Radiator Hose - 05-2086

Gates Radiator Hose - 05-2086

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$59
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Mackay Radiator Hose Upper - CH3375

Mackay Radiator Hose Upper - CH3375

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$32
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Gates Radiator Hose Upper - 05-2227

Gates Radiator Hose Upper - 05-2227

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$64
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Gates Radiator Hose - 05-4108

Gates Radiator Hose - 05-4108

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$115
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Gates Radiator Hose - 05-2084

Gates Radiator Hose - 05-2084

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$95
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Gates Radiator Hose Lower - 05-0637

Gates Radiator Hose Lower - 05-0637

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$67
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Gates Radiator Hose Lower - 05-0767

Gates Radiator Hose Lower - 05-0767

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$77
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Gates Radiator Hose - 05-2046

Gates Radiator Hose - 05-2046

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$121
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2007 Toyota Aurion radiator hose — purpose, care and when to replace

Yes, a radiator hose is absolutely relevant and fitted to the 2007 Toyota Aurion (GSV40 series, 3.5‑litre 2GR‑FE V6). Toyota’s Aurion cooling system uses an upper and a lower radiator hose to circulate coolant between the engine and radiator. This is confirmed in Toyota’s Aurion (GSV40) Repair Manual cooling system diagrams and the Toyota Electronic Parts Catalogue, which both illustrate the upper and lower radiator hoses as core components of the coolant circuit.

On this Aurion, the radiator hoses carry Toyota Super Long Life Coolant (pink SLLC) from the engine to the radiator and back again. Under the bonnet, the upper hose handles hot coolant exiting the engine, while the lower hose feeds cooled fluid back in. They’re reinforced rubber, shaped to clear the fans, bodywork and accessory drives, and secured with spring-band clamps to keep everything sealed under pressure and temperature swings.

As part of regular servicing, checking the radiator hoses is a smart move. Even with Toyota’s long-life coolant intervals (typically 160,000 km/10 years initially, then every 80,000 km/5 years), hoses age from heat, pressure and ozone. A quick squeeze test when the engine is cold should find them firm but pliable, not brittle or mushy.

  • What to look for: soft spots, swelling near the clamps, surface cracks, glazing, oil contamination, dried coolant stains, or any weeps around fittings.
  • When to replace: if any of the above show up, after major overheating, or proactively around the 7–10 year mark even if they look okay.

If replacement’s due, match the Aurion’s hose shapes (upper and lower) rather than forcing a universal line. Reuse the factory spring clamps if they’re in good nick or fit quality constant-tension clamps. Always start with a cold engine, drain the coolant cleanly, and take note of hose routing. Lightly lubricate the stubs with fresh coolant to help the new hose seat, position clamps behind the bead, and avoid twisting the hose.

After refilling with the correct Toyota SLLC mix, bleed air from the system, run the engine to operating temp with the heater on, and top up the overflow bottle to the mark. A post-drive inspection for any seepage around the clamps is the final tick. Kept in good order, the Aurion’s radiator hoses help the V6 stay happy on hot Aussie and Kiwi days, towing up hills, or cruising the motorway.

Popular questions about 2007 Toyota Aurion radiator hoses

What are the signs a radiator hose is failing on a 2007 Toyota Aurion?

Common signs include swelling or ballooning near the clamp areas, surface cracking, splits, or a hose that feels spongy when squeezed (engine cold). You might also spot dried pink residue from Toyota SLLC around joints, smell a sweet coolant odour, or notice the temperature gauge creeping up.

After a hot run, any visible steam, dripping under the front bumper, or low coolant level in the overflow bottle are red flags. Oil contamination on a hose can also accelerate failure, so fix any leaks that drip onto the rubber.

How often should the Aurion’s radiator hoses be replaced?

There’s no hard expiry, but a practical guideline is to inspect at every service and consider replacement around 7–10 years or 120,000–160,000 km, sooner if there are any signs of wear. If the car has overheated, replace the hoses and clamps as cheap insurance.

Pair hose replacement with coolant service so you only drain and refill once, and always use Toyota Super Long Life Coolant to maintain corrosion protection and hose life.

Can a universal radiator hose be used on the Aurion?

It’s best to use model-specific molded hoses. The Aurion’s hose shapes are designed to clear fans and pulleys and to resist kinking under vacuum. Universal flex hoses can rub, kink or stress clamps, leading to leaks.

If you’re stuck roadside, a universal may get you home, but for a proper fix, fit the correct upper and lower hoses and quality constant-tension clamps.

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