Q50/Q60/400Z VR30 Upgraded 170 AMP Alternator | OEM Replacement VR30DDTT

Q50/Q60/400Z 170 Amp Alternator | OEM Replacement VR30DDTT

Ensure reliable power delivery in your Q50, Q60 or Z with this OEM replacement 170A alternator, designed specifically for VR30DDTT models. With a higher 170-amp output, this alternator provides ample power for your vehicle’s electrical system, supporting all factory components while maintaining optimal charging performance. Whether replacing a failing unit or restoring factory reliability, this alternator is built to meet OEM specifications for a seamless fit and function.

Specifications:

• Voltage: 12V

• Rotation: Clockwise (CW)

• Amperage: 170A

• Brushless: No

• Decoupled or Clutch Pulley: No

• Distance Between Mounting Feet: 3.19 in (81 mm)

• Drive End to Pulley 1st Groove Distance: 1.54 in (39 mm)

• External Fan Included: Yes

Fitment:

• Q50 (2016–Present) VR30DDTT (All RWD & AWD models)

• Q60 (2017–Present) VR30DDTT (All RWD & AWD models)

• 2023+ Nissan Z (All Models)

How do I know if my alternator is bad?

• Battery warning light appears on the dashboard

• Dimming headlights or electrical issues with accessories

• Whining or grinding noises coming from the alternator

• Battery repeatedly dying or struggling to hold a charge

• Flickering interior/exterior lights

Why upgrade to a 170-amp alternator?

If you’re running additional electrical accessories like a high-performance audio system, aftermarket lighting, or upgraded fuel pumps, a 170A alternator provides the extra power needed to keep everything running smoothly. Even if your vehicle is stock, the increased amperage ensures a more stable voltage supply, reducing strain on the battery and electrical system. A higher-output alternator won’t harm your battery, but pairing it with a higher-capacity AGM or deep-cycle battery can help maximize performance under heavy electrical loads. Since this alternator is a direct bolt-on replacement, no modifications are required, making it an easy upgrade for improved reliability and power delivery in your Q50 or Q60 VR30DDTT.