New 100 Amp 12V Alternator With S6 Groove Pulley Easy Install For Mazda 3 2010 2011 2012 2013 2.0L Replacement Part 11342N 11342 LF8J18300 A2TJ0791 LF8J18300R00 2104303 90273399 2138902
✔️ 100A, 12V, S6 pulley, CW rotation, fits Mazda 3 2010-2013 2.0L
This replacement alternator delivers 100 amps at 12 volts for Mazda 3 models from 2010-2013 (2.0L). It uses a S6 groove pulley and CW rotation for smooth, easy installation and reliable charging in harsh conditions. This single-unit replacement is tested to OE standards with endurance, salt spray resistance, and broad temperature tolerance.
✅ Amperage rating: 100A
✅ Voltage: 12V
✅ Groove Pulley: S6
✅ Rotation: CW
✅ Design: ED/IF
✅ Compatible with Mazda 3 2010-2013 2.0L
✅ Endurance: 2000H, salt spray 96H, -40°C to 105°C
💡 What is a 12V automotive alternator and why replace it?
It’s a handy device that charges the battery while the engine runs and powers the electrical system. Replacing a failing alternator helps prevent battery drain and electrical issues.
- Keeps battery charged under load to avoid stalling
- Maintains stable voltage in lights, infotainment, and sensors
- Sealed bearing design helps resist contaminants for longer life
- OE-style fit makes installation simple on Mazda 3 models