12639701 97364968 2PCS Glow Plugs 9G Compatible with Chevy GMC 6.6L Duramax LMM LML LBZ LLY, 2006-2016 Silverado, Savana, Sierra, Express Replaces

【Efficient startup and operation】The 9G glow plugs are specially designed for diesel engines. They provide the key heat required for startup in low-temperature environments to ensure the engine operates normally. Meanwhile, they maintain ignition stability in all cylinders, optimize throttle response speed, and avoid startup difficulties or poor operation caused by insufficient preheating. If the glow plugs malfunction, it may directly affect the vehicle's driving performance, and timely replacement is required. 【Precise matching】This glow plug can replace part numbers 12639701, 97364968, DRX00057, and 61G, and is suitable for GM 6.6L V8 LBZ, LGH, LLY, LML, LMM Duramax series engines. Specifically applicable models include 2006-2016 Chevrolet Express 2500/3500, Silverado 2500 HD, 2007-2016 Silverado 3500 HD, 2006-2016 GMC Savana 2500/3500, Sierra 2500 HD, etc. (including some classic models). 【Durable, stable and easy to install】Made of high-quality metal material, it has excellent durability and wear resistance, a long service life, and performance that exceeds the standards of original accessories. It has a built-in self-regulation function that can control the battery current output as the temperature rises to avoid overheating damage. The dual-coil design further accelerates preheating speed and stabilizes temperature, and the overall installation is simple, no complex tools are needed, and it can directly replace old and faulty parts. 【Installation and packaging】During installation, first remove the glow plug wires, carefully remove the old plugs one by one, clean the electrical contacts and nuts, trim the glow plug holes with a reamer, then tighten the new plugs with a ratchet wrench, and finally reconnect the wires and fix the nuts (professional installation is recommended, no instructions included). The package contains 2 glow plugs of model 12639701, meeting the overall replacement needs of multi-cylinder engines. 【Thoughtful reminder】Before purchasing, please confirm compatibility through the vehicle model, year, or garage tool. All glow plugs have undergone strict testing and meet the highest quality standards. If you encounter any problems during use, you can contact customer service at any time; note that do not judge compatibility only by appearance to avoid being unusable due to incorrect model.

<p><strong>12639701 9G Diesel Glow Plugs for GM 6.6L Duramax Engines</strong></p><p>&nbsp;</p><p>The design of the 12639701 9G diesel preheating plug complies with the original standards, ensuring reliable engine start-up and operation - especially in cold weather. This preheating plug can replace the original factory parts with numbers 12639701, 97364968 and 61G</p><p>&nbsp;</p><p><strong>Vehicle Compatibility</strong></p><p>This set of glow plugs is exclusively compatible with GM vehicles equipped with the 6.6L V8 LBZ, LGH, LLY, LML, and LMM Duramax diesel engines. Specific applicable models are as follows:</p><p>&nbsp;</p><p><strong>Compatible with</strong>&nbsp;Chevrolet Vehicles</p><p>For&nbsp;2006-2016 Express 2500/3500</p><p>For&nbsp;2006-2016 Silverado 2500 HD</p><p>For&nbsp;2007 Silverado 2500 HD Classic</p><p>For&nbsp;2006 Silverado 3500</p><p>For&nbsp;2007 Silverado 3500 Classic</p><p>For&nbsp;2007-2016 Silverado 3500 HD</p><p>&nbsp;</p><p><strong>Compatible with&nbsp;</strong>GMC Vehicles</p><p>For&nbsp;2006-2016 Savana 2500/3500</p><p>For&nbsp;2006-2016 Sierra 2500 HD</p><p>For&nbsp;2007 Sierra 2500 HD Classic</p><p>For&nbsp;2006 Sierra 3500</p><p>For&nbsp;2007 Sierra 3500 Classic</p><p>For&nbsp;2007-2016 Sierra 3500 HD</p><p>&nbsp;</p><p><strong>Specifications</strong></p><p>Product Type: Diesel Glow Plug</p><p>Replaces OE Numbers: 12639701, 97364968, 61G, 9G</p><p>Part Category: Engine Components (Hardware &amp; Fittings)</p><p>&nbsp;</p><p><strong>Warranty &amp; Purchase Notes</strong></p><p>Warranty Coverage: All glow plugs come with a 1-year warranty. If the product fails during normal use, please contact us promptly, and we will provide professional support to resolve the issue.</p><p>Fitment Check: To ensure compatibility, please use your vehicle’s VIN to confirm the original OE part number before purchase. The OE numbers listed in this product page are 100% accurate for reference.</p>