12V 80A Clockwise Alternator Replacement For Nissan Frontier 1999 2002 And Xterra 2000 2004 Plug And Play Internal Regulator And Solid Pulley 2.445 Inch Pulley Replaces OEM Numbers 321-2026 334-1337 AHI0045 AL2392X 210-3128 ALR0039 LR180-756
✔️ 12V 80A, clockwise rotation, internal regulator, 2.445 in pulley
This replacement alternator is a plug-and-play 12V, 80A unit designed for Nissan Frontier 1999-2002 and Xterra 2000-2004. It replaces OEM numbers including AC Delco 321-2026, 334-1337; Arrowhead AHI0045; Bosch AL2392X; Denso 210-3128; Hitachi ALR0039/LR180-756; J&N 400-44104; Lester 13789. It features an internal regulator and a solid pulley (OD 2.445 in / 62.1 mm) for reliable charging and straightforward installation.
✅ Voltage: 12V
✅ Amperage: 80A
✅ Rotation: Clockwise
✅ Regulator location: Internal
✅ Pulley: Solid, OD 2.445 in (62.1 mm)
💡 What is a 12V 80A alternator with internal regulator used for in Nissan Frontier and Xterra applications? It keeps battery charged and powers vehicle electrical systems while the engine runs.
- It converts mechanical energy to electrical energy to replenish the battery
- It maintains stable voltage across engine RPM for reliable operation of lights and ignition
- It is designed to fit OEM specs for straightforward installation in compatible models