SKP SK13939 Alternator

Alternator for Nissan Altima and Sentra

The SKP SK13939 is a 12V alternator built for select Nissan charging system applications. It features an internal fan, clockwise rotation, and a 110 amp amperage rating for vehicles equipped with the HITACHI IR/IF Series setup.

• 12V alternator for charging system replacement
• 110 amp output for select Nissan electrical systems
• Internal fan design
• Clockwise (right) rotation
• HITACHI IR/IF Series family
• SC6 pulley with 6-groove clutch pulley application

Fitment and Application Details

Compatible with 2002-2006 Nissan Altima and 2002-2006 Nissan Sentra. Fits 2002-2006 Nissan Altima, N/A, with 12 Volt; CW Rotation; 110A; SC6 Pully; IR Regulator; 6-Groove Clutch Pulley. Fits 2002-2006 Nissan Sentra, N/A, with 12 Volt; CW Rotation; 110A; SC6 Pully; IR Regulator; 6-Groove Clutch Pulley. The SK13939 is a direct-fit replacement for vehicles using the specified alternator configuration, making it a practical choice when matching the original charging system layout.

What This Alternator Helps Address

• Battery warning light caused by alternator output loss
• Dim lights or electrical instability at idle
• Charging system failure after alternator wear
• Voltage drop affecting starting and accessory operation
• No-charge condition on Nissan Altima or Sentra applications

Installation Notes and Tips

Verify pulley style, rotation direction, amperage rating, and regulator type before installation. Confirm the vehicle uses the HITACHI IR/IF Series configuration and the listed 6-groove clutch pulley setup. Matching the original electrical and belt-drive specifications is important for proper charging performance.

Quality Assurance

SKP manufactures replacement electrical components for automotive service applications. This part cross-references BBB Industries 13939 and Dorman - HELP 94117 for the same application.