High Output 170 Amp 12V Alternator Replacement For 2014 To 2018 Chevy Silverado 1500 And GMC Sierra 1500 Plus 2015 To 2020 Suburban Tahoe Yukon Cadillac Escalade 4.3L 5.3L 6.2L Replaces 84143540 And 22949467

Single-unit 170A 12V Alternator Replacement for GM Trucks
✔️ Single-unit 170A high-output alternator upgrade for GM trucks

This 170A alternator replacement is designed for 2014-2020 GM trucks and SUVs, delivering improved charging capacity and power to aftermarket accessories. It replaces part numbers 84143540, 22949467, and 1042106870 for a direct-fit upgrade.

✅ 170 Amp high-output alternator for stronger charging
✅ Direct-fit replacement for 84143540, 22949467, 1042106870
✅ Premium sealed bearings with high-temp lubrication reduce friction and noise
✅ Rubber seals resist vibration and moisture for long life

💡 What is an automotive high-output alternator used for in a vehicle's charging system?

This handy guide explains its role in powering electrical loads and keeping the battery charged, especially when upgrading to a 170A unit.

- Keeps up with upgraded electronics like audio systems and LED lighting - Maintains reliable charging under heavy electrical demand in GM trucks and SUVs - Matches OEM replacement numbers for easy swap