Toyota Avensis Radiator: Specs, Fitment & Common Faults
A genuinely useful diagnostic pattern: coolant loss specifically above 60mph, with the head gasket already ruled out, points toward a pressure or radiator cap issue rather than something more serious.
Illustration for editorial purposes
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OEM Part Number: 164000T120 (as quoted in catalogue listings — confirm via VIN) — aftermarket radiators Nissens 64693 / Mahle CR 28 000P
| Radiators (aftermarket) | Nissens 64693 (664 x 383 x 26 mm, soldered aluminium core with plastic tanks, fits 1.6 D-4D 112 PS, 2.0 D-4D 124, 126 and 143 PS and 2.2 D-4D 177 PS, engine codes 1WW, 1AD-FTV, 2WW and 2AD-FHV); Valeo 735188 / 701901; Denso DRM50072 / DRM50090; Mahle CR 28 000P; NRF 53181; Van Wezel 53002402; Hella 8MK 366 308-751. NRF 59115; Diederichs DCM3350 |
|---|---|
| Core sizes & variants | Diesels take the 664 x 383 x 26 mm radiator, shared with the Auris E15/E18 diesels. The 2.0 petrol takes a 600 x 378 x 16 mm radiator with an integral gearbox oil cooler for the Multidrive S CVT. The 1.6 and 1.8 Valvematic petrols use a further variant, not covered here. |
| Genuine (OE) numbers quoted | 164000T120 (2.0 petrol) |
| Fitment notes | Diesel radiator connections are 38 mm; the petrol unit has 34 mm connections and comes with seals. |
A Genuinely Useful Diagnostic Pattern Worth Knowing About — Toyota Avensis Radiator
If you're losing coolant specifically through the overflow or header tank pipe, and it seems to happen only at higher speeds — say above 60mph — while being fine at lower speeds, this is genuinely worth understanding: this specific pattern points toward excessive pressure building up in the cooling system, rather than a head gasket issue, particularly if a proper block test has already ruled the head gasket out. A radiator cap that's no longer holding pressure correctly (even a replacement cap can occasionally be faulty out of the box), or a partial blockage somewhere in the system, are both genuinely worth checking specifically if this exact speed-related pattern matches what you're seeing.
It's also worth knowing that coolant leaking specifically from the water pump's shaft seal, visible as a small weep or stain beneath the pump, is often one of the earliest signs of pump failure — worth checking this specific spot during any routine inspection, since catching it early avoids a bigger, more expensive failure later.
Toyota Avensis Radiator: The Part That Keeps Everything Else From Cooking
There's nothing exciting about this component, yet on the Toyota Avensis, most catastrophic engine failures that aren't simply down to wear trace back to a cooling problem someone ignored too long. Catching it early is cheap; catching it late usually isn't.
Toyota Avensis Radiator: Watch: Replacing It
Russian; generation not stated. T25 older-gen alt (Lithuanian): https://www.youtube.com/watch?v=UyZ1A6O0zdk
Toyota Avensis Radiator: What It Does
The Toyota Avensis radiator's core job is moving heat out of the engine coolant and into the passing air, holding engine temperature within safe limits. Automatic versions frequently add a second internal circuit for transmission fluid cooling, which is exactly why the correct part number carries extra weight on this component.
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Toyota Avensis Radiator: Faults, DIY Difficulty & Aftermarket Advice
These are the same regardless of make or model — see our full Radiator Guide for the three common failure modes, confirming fitment against your VIN, and OEM vs aftermarket guidance.
More Toyota Radiator
The same part, covered across other Toyota models.