Complete Kits: Includes Bracket Assembly, Belt, and One Red B8206400RD Alternator

After extensive research, meticulous revisions, and rigorous real-world testing spanning thousands of miles, Mechman proudly presents the ultimate dual alternator system tailored specifically for 1999-2013 GM LS truck with 4.8L, 5.3L, & 6.0L engines. Engineered for optimal functionality and durability, our kit boasts maximum belt wrap and precise belt alignment, minimizing belt slip and fatigue. Accessibility to your power steering pump reservoir for fluid servicing remains effortless with our thoughtfully designed system. Complete with alternator(s) and belt, our kits eliminate guesswork from installation. Detailed color instructions facilitate a swift setup using standard hand tools. Mechman dual alternator kits feature large case 6-phase elite series alternators, equipped with twin rectifiers housing 12 robust diodes, ensuring unrivaled durability even in daily driven vehicles.

Prefer not to tamper with your vehicle's OEM alternator, wiring, or charging system? Our 1 Alternator Dual Bracket Kit allows you to keep your factory alternator for powering your vehicle, while dedicating a robust 400+ Amp alternator exclusively to your audio system!

This setup is particularly beneficial when utilizing two different battery chemistries. Your OEM alternator efficiently charges your stock-style under hood battery, while our dedicated Mechman Alternator powers an additional 12-volt, 14-volt, 16-volt battery, or any new lithium-based chemistry within specific charging ranges. Explore our Plugs and Harnesses section for hassle-free, plug-and-play charging options to optimize voltage. Click Here: Voltage Boosters!

Note: This kit is intended for use with your factory alternator only in its original spot. The belt included has been appropriately sized for this.

Fitment Guide:

Note: Will not work on some Chevrolet Avalanches. Please contact customer service before trying to order.