Parts for your 2011 Nissan X-trail-Drive belt pulley

2011 Nissan X‑Trail drive-belt pulley: what it does and when to replace it

For the 2011 Nissan X‑Trail (T31), a drive‑belt pulley is absolutely relevant and fitted. Factory documentation such as the Nissan X‑Trail T31 Service Manual and parts references (Nissan EPC), plus aftermarket catalogues from Gates, Dayco and INA, all list accessory drive components including the crankshaft pulley (harmonic balancer), idler and tensioner pulleys, alternator pulley (overrunning type on many M9R diesels), and the A/C and power steering pulleys. So yes—this X‑Trail uses a multi‑rib auxiliary belt system with several pulleys.

The drive‑belt pulleys transfer crankshaft torque to vital accessories—alternator, A/C compressor and power steering pump, and on some variants, the water pump. The crank pulley drives the belt