4 Pcs Multi-Function Diode 12135037 Replaces 12182137, Automotive Electrical Alternator Diode Fuse Kit Compatible with Buick Chevrolet GMC Hummer Pontiac Saturn - Solves Battery Light & Voltage Issues

★★★★★ 4.2 114 reviews

US$3.11
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US$3.11
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Management number 237371867 Release Date 2026/07/10 List Price US$3.11 Model Number 237371867
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  • PRECISE COMPATIBILITY FOR GM VEHICLES - Engineered as a direct replacement for OEM parts 12135037 and 12182137, this multi-function diode is specifically compatible with a wide range of models including Buick, Chevrolet, GMC, Hummer, Pontiac, and Saturn. It ensures a seamless fit for your automotive electrical system maintenance without modification.
  • SOLVES DASHBOARD BATTERY LIGHT ISSUES - Designed to address common electrical faults, this diode kit effectively fixes persistent battery indicator lights on the dashboard and resolves backfeed current problems. If the light remains on after installation, simply rotate the diode 180 degrees to correct the polarity and restore normal function.
  • OPTIMIZED CHARGING PERFORMANCE - By regulating current flow and preventing reverse voltage, these diodes help stabilize your vehicle's alternator output. This results in improved charging efficiency for AGM and standard lead-acid batteries, extending battery life and ensuring reliable power for vehicle accessories.
  • DURABLE AUTOMOTIVE GRADE CONSTRUCTION - Built to withstand the harsh environment of an engine bay, each diode is encased in heat-resistant housing that protects against vibration, moisture, and high temperatures. This robust construction ensures long-term durability and consistent electrical performance under daily driving conditions.
  • COST-EFFECTIVE REPAIR SOLUTION - This pack includes 4 high-quality diodes, providing a practical and economical solution for mechanics and DIY enthusiasts. Keep spares on hand for future electrical fixes or multiple vehicle maintenance, saving time and money compared to dealership replacements.

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