The 12135037 Multi-Function Diode pack is an essential component for maintaining optimal performance in your vehicle. Designed specifically for G-M vehicles, this pack includes 4 high-quality diodes that address common voltage issues associated with AGM battery upgrades.

 These multi-function diodes are engineered to deliver the necessary power output for efficient battery charging, solving typical voltage problems and ensuring that your vehicle's battery performs at its best.

If you encounter battery indicator light issues on your dashboard after installation, simply flip the diode 180° to effectively resolve the problem.

 Compatible with a range of vehicles including Buick, Chevrolet, GMC, Hummer, Pontiac, and Saturn, the 12135037 diodes offer a precise fit and reliable performance.

Each pack includes 4 diodes, making it a convenient and cost-effective solution for maintaining your vehicle's electrical system.

 With the capability to handle higher voltages and built to meet the rigorous standards of the original equipment manufacturer, these diodes enhance the efficiency and longevity of your vehicle's battery, providing you with peace of mind and hassle-free maintenance.