Premium Diesel Glow Plug for GM 6.6L Duramax Engines
High-performance glow plug designed for GM LMM, LML, and LBZ engines, ensuring reliable cold starts in extreme conditions. Precision-engineered with nickel-chromium alloy heating elements for rapid heat-up and extended durability. Direct OEM replacement (Part No. 12639701) with exact fitment for Silverado and Sierra models. Features corrosion-resistant silver plating for optimal electrical conductivity and long-term resistance to wear. Ideal for heavy-duty applications, towing, or commercial use in harsh climates. Manufactured to strict ISO standards for consistent quality. Buy in bulk for fleet maintenance or resale—wholesale pricing guarantees unmatched value. Ships globally with fast delivery.