Parts for your 2011 Nissan X-trail-Radiator

2011 Nissan X‑Trail Radiator — what it does and how to look after it

Yes, a radiator is absolutely relevant to the 2011 Nissan X‑Trail (T31). Technical references including the Nissan X‑TRAIL T31 Electronic Service Manual (Cooling System sections), Nissan genuine parts catalogues listing the radiator assembly (21460‑series), and common workshop manuals all specify a front‑mounted aluminium radiator as part of the liquid‑cooled system for both the QR25DE petrol and M9R diesel engines.

The radiator’s job is simple but vital: it sheds engine heat by circulating coolant through thin tubes and fins, with the thermostat, water pump and electric fans working as a team. On many automatic X‑Trails, the radiator also houses a small transmission fluid cooler, so keeping it healthy protects more than just the engine. Diesel models add an intercooler for intake air, but that’s separate