Nissan Micra Radiator: Specs, Fitment & Common Faults
On the Micra, an emptying coolant reservoir with no visible drip genuinely doesn't mean there's no leak — coolant can atomise against a hot component instead.
Illustration for editorial purposes
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OEM Part Number: 214105FA0B (as quoted in catalogue listings — confirm via VIN) — aftermarket radiators Nissens 606725 / Valeo 701440
| Radiators (aftermarket) | Nissens 606725 (510 x 396 x 26 mm, aluminium soldered core with plastic tanks, 35 mm inlet and outlet, supplied with seals; fits the 1.0 71/73 PS, 1.0 IG-T 92 and 100 and 1.0 DIG-T 117, and the Juke F16, Clio V and Captur II with the same engines); NRF 550070; Van Wezel 13012715; Denso DRM46076; Magneti Marelli 350213022100; Hella 8MK 366 304-411; Prasco DA730R001 |
|---|---|
| Core sizes & variants | The 0.9 IG-T three-cylinder turbo and the 1.5 dCi diesel take the thin 12 mm core; the later 1.0 IG-T, IG-T 100 and DIG-T 117 take the 26 mm core. The naturally aspirated 1.0 71/73 PS is listed against both, so check the depth of the radiator being replaced. |
| Genuine (OE) numbers quoted | 214105FA0B; 214105448R; 866000326 |
| Fitment notes | Both Nissens radiators are supplied with seals and share 35 mm hose connections. |
A Genuinely Useful Diagnostic Point Worth Knowing: No Drip Doesn't Mean No Leak — Nissan Micra Radiator
If your coolant reservoir keeps emptying but you can't find a single drip anywhere underneath the car, this is genuinely worth knowing: coolant escaping and atomising against a hot component, such as a manifold or exhaust, rather than dripping straight down to the ground, is a real and well-documented possibility. The absence of a puddle in the garage doesn't mean the absence of a genuine leak — it's worth checking the engine bay itself thoroughly for staining or crusting rather than relying on looking underneath the car alone.
It's also worth knowing that a genuinely useful, quick diagnostic technique is pressurising the coolant system directly, since some leaks — particularly around joints or hose connections that expand slightly when hot — only become visible under this kind of pressure test rather than during a simple visual inspection while cold.
Nissan Micra Radiator: The Part That Keeps Everything Else From Cooking
Unglamorous as it is, the Nissan Micra's cooling system sits behind nearly every serious engine failure that isn't just ordinary wear — and one that went unaddressed for too long. Noticing early warning signs here is a small cost against a potentially very large one.
Nissan Micra Radiator: Watch: Replacing It
K12; no K14 radiator video found.
Nissan Micra Radiator: What It Does
On the Nissan Micra, engine coolant sheds its heat into the passing air via the radiator, which is what keeps engine temperature in a safe working range. On automatics, it frequently pulls double duty cooling the transmission fluid through its own internal circuit — a detail that makes getting the exact part number right especially important.
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Nissan Micra 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 Nissan Radiator
The same part, covered across other Nissan models.