2Pcs Diesel Glow Plugs for 2017-2023 Chevy GMC L5P L5D Duramax 6.6L, Replaces 12690238 12725202 12679959 GP124, Fast Cold Start & Engine Protection

Keep your 2017-2023 Chevy or GMC heavy-duty truck running at its best with our premium replacement Diesel Glow Plugs. Designed as a direct, drop-in fit for the L5P and L5D 6.6L Duramax engines, these glow plugs are essential for dependable cold-weather starting and maintaining optimal engine performance year-round. Key Features: Guaranteed Compatibility: A precise OEM replacement for part numbers: 12690238, 12725202, 12679959, GP124, 21135, 12666880. Superior Construction: Combines a high-quality copper core for fast heat conduction with a durable ceramic heating element, all within a rugged shell designed to withstand high pressures and temperatures. Performance You Can Count On: Experience quicker ignition, more stable idling in cold conditions, reduced emission smoke during startup, and decreased load on your starter and battery. Complete Service Pack: This listing includes 2 glow plugs, allowing you to service your vehicle efficiently. Application: Fitment: 2017, 2018, 2019, 2020, 2021, 2022, 2023 Chevrolet Silverado / GMC Sierra 4500/5500 with the 6.6L L5P or L5D Duramax Diesel V8 engine. Package Includes: 2 x Diesel Glow Plugs

• Perfect Fit: Specifically designed for 2017-2023 Chevy Silverado/GMC Sierra 4500 5500 with L5P/L5D Duramax 6.6L diesel engines.
• Part Number: Directly replaces OE parts 12690238, 12725202, 12679959, GP124, 21135, 12666880, ensuring hassle-free installation and perfect compatibility.
• Reliable Material: Features a durable copper core and a robust ceramic heater element encased in a corrosion-resistant metal shell. This construction ensures excellent thermal conductivity, rapid heat-up, and long-lasting performance in harsh conditions.
• Efficient Cold Starts & Smooth Performance: The glow plug quickly reaches optimal operating temperature, providing the necessary heat for reliable ignition in cold weather. This leads to faster engine starts, reduced white smoke, less cranking strain on the battery, and overall smoother engine operation.
• Easy Installation: Comes as a pack of 2 glow plugs, which is a common service quantity. Engineered for a precise fit with the correct torque specification and thread design, making DIY replacement or professional service straightforward. Helps restore engine efficiency.