The Infiniti QX55 Alternator supplies on-board electricity consistently so that you can start your vehicle with a turn of the key and the electronics are all powered up. The Alternator is built around a strong cast aluminum shell that uses a rotor that spins within fixed stator windings to create a magnetic field that is converted into current. It is the sort of thing that has given Infiniti a reputation for rugged reliability. After that, the raw AC is changed into battery-friendly DC by diodes so lights, audio system, driver-assist sensors and safety monitors never experience voltage dips, which is crucial when the QX55 hits the streets at night or in inclement weather. All QX55 trims and model years are compatible because the basic Alternator dimensions and mounting points do not change. Therefore, the owner of a launch-year coupe-crossover or the recent model from the Infiniti showroom will enjoy the same fit and performance. Prior versions employ a separate voltage regulator, while more recent ones relocate that capability into the powertrain control module which utilizes intelligence to assist recovery of the Alternator during changing loads and maintain fuel consumption by reducing strain on the engine. This integration enhances efficiency as the PCM can reduce field current in lighter electrical demand cases. It also adds to safety, as this ensures consistent output for airbags and emergency alerts. Yet another highlight is the cooling fan, which is built-in and situated ahead of the pulley. The fan fights temperature rise, preventing overheating when the engine revs high as well as during longer climbs. The feature extends Alternator life and keeps the signature Infiniti quiet cabin free of warning chimes. The heritage of Infiniti and that of the QX55 appropriation drives an Alternator with low friction bearings and a balanced rotor, giving every Infiniti pilot confidence to push the QX55 while the Alternator stays whisper quiet. Drivers looking for worry-free adventures on the road see this tried-and-true unit as a way to make the stylish QX55 experience a reality.
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