12135037 Multi-Function Diode (Pack of 4) – Compatible with Buick, Chevrolet, GMC, Hummer, Pontiac, Saturn, Replaces 12182137

Optimized Power Output: Designed to efficiently charge AGM batteries and address common voltage issues during upgrades, enhancing battery performance.

Precise Compatibility: Engineered for seamless integration with specific G-M vehicles, ensuring reliable performance and easy installation. Replaces part number 12182137.

Simplified Troubleshooting: Includes 4 diodes that effectively resolve battery indicator light issues on the dashboard. Simply rotate the diode 180° during installation to fix the problem.

Convenient Packaging: Comes in a pack of 4 diodes, providing a cost-effective and practical solution for voltage-related challenges and maintenance.

Enhanced Efficiency: Capable of delivering higher voltages, improving the overall charging process and extending battery life.