



🔥 Ignite your diesel’s potential with GM Genuine Glow Plugs!
GM Genuine Parts 9G Glow Plug is a premium, OE-quality diesel engine component designed to provide reliable heat for cold starts. Featuring a self-regulating coil to prevent overheating and a precision 10mm thread size, it fits a wide range of vehicles with reach options from 21mm to 40mm. Manufactured by ACDelco and backed by General Motors, this glow plug ensures optimal ignition performance and durability for professional-grade engine reliability.







| Brand | GM GENUINE PARTS |
| Core Material | Copper |
| Thread Size | 10 millimeters |
| Top Material Type | Metal |
| Vehicle Service Type | Truck |
| Global Trade Identification Number | 00707773990704 |
| Automotive Fit Type | Vehicle Specific Fit |
| UPC | 707773990704 |
| OEM Part Number | 12639701 |
| Manufacturer | ACDelco |
| Model | 12639701 |
| Item Weight | 1.44 ounces |
| Product Dimensions | 6.2 x 1 x 1 inches |
| Item model number | 12639701 |
| Is Discontinued By Manufacturer | No |
| Exterior | Machined |
| Manufacturer Part Number | 12639701 |
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