Misakomo 84143540 12V 170A Alternator — OEM Replacement for GM Sierra, Silverado, Suburban, Tahoe, Yukon, Escalade

Engineered for a seamless fit

Misakomo’s 84143540 12V 170A alternator is crafted as a direct, OEM-style replacement for a broad range of GM trucks and SUVs. It aims to mirror the rhythm and reliability of the original part, delivering consistent power to your vehicle’s electrical system across daily commutes and longer road journeys.

Compatibility and replacement are at the core of this unit. It’s designed to align with the mounting points and drive configuration common to many GM models, so installation can feel familiar and straightforward for seasoned technicians and DIY enthusiasts alike.

Compatibility & Replacement

• Perfect fit for 2014-2018 GMC Sierra 1500, 2015-2020 GMC Yukon, 2014-2019 Chevrolet Silverado 1500, 2015-2020 Chevrolet Suburban and Tahoe, 2016-2017 Chevrolet Camaro, and 2015-2020 Cadillac Escalade.
• Direct replacement for OEM numbers 84143540, 22949467, and 1042106870.
• 6-groove pulley with CW rotation ensures alignment with common drive systems for many GM configurations.

Performance & Durability

• Delivers a steady 12V output at about 170A to support lighting, electronics, and charging needs during a typical drive cycle.
• Effective thermal management helps manage operating temperatures, supporting consistent function through longer drives and warmer climates.
• Quality construction emphasizes reliable operation with durable materials and precise tolerances that align with OEM expectations.

In real-world use, you may experience smoother electrical performance during daily commutes, highway trips, and periods of heavy accessory use. This alternator is not a guaranteed outcome, but it is designed to offer a solid option for maintaining your vehicle’s charging system integrity. Consider it a potential upgrade that aligns with OEM standards, providing a dependable power source for your GM fleet.