Parts for your 2004 Nissan Pulsar-Alternator

2004 Nissan Pulsar Alternator — what it does, why it matters, and how to look after it

According to Nissan’s N16 Factory Service Manual (EL: Charging System, where the alternator is termed the “generator”), the 2004 Nissan Pulsar is fitted with a 12‑volt alternator. The Nissan parts catalogue for N16 models and supplier application data for Hitachi/Mitsubishi units also list alternator assemblies for the QG-series petrol engines (and higher-output units for the YD22 diesel). So an alternator is definitely relevant and used on this vehicle.

For owners of a 2004 Pulsar, the alternator is the quiet achiever under the bonnet. It spins with the engine to keep the battery topped up and powers everything from headlights and wipers to the ECU and stereo. When it’s healthy, system voltage sits roughly in the 13.8–14.7 V range with the engine running