Restore Charging Power: Experiencing hard starts, battery warning lights, dim lights, or AC malfunctions? Replacing your alternator with this dependable high output alternator may fix those issues and help avoid costly shop visits Durable Materials: Our automotive replacement alternator is built with high-temp-resistant copper coils and a lightweight aluminum housing with cooling fan. This combo improves heat dissipation and conductivity while withstanding tough conditions Stable Performance: This alternator replacement delivers efficient 12V DC output to power your vehicle's systems. The 6-groove pulley ensures a steady, non-slip drive up to 6000 RPM—keeping ignition, lighting, and infotainment running smoothly OE-Level Fit & Precision: The car alternator precisely matches multiple part numbers and fits snugly with factory connections: 23487088, 23487089, 84143542, 84143543, TN1042119110, TN104211-9110, TN1042119720. See images for full compatibility Vehicle Compatibility: Our alternator works great on pickups, sedans, SUVs, and MPVs. It fits Chevrolet 2018-2019 Express 2500 V6 4.3L, V8 6.0L, and GMC 2018-2019 Savana 2500 V6 4.3L, 6.0L. See images for more fitment details