



🔥 Ignite your diesel’s potential with precision heat control!
The GM 12639701 ACDelco 9G Professional Glow Plug is a premium diesel engine component designed to provide reliable heat for cold starts. Featuring a self-regulating coil to prevent overheating and available in multiple reach sizes (21-40 mm), it ensures optimal fit and performance. Manufactured to meet or exceed GM OEM standards, this glow plug enhances ignition consistency and throttle response for a smoother, more efficient diesel engine start.







| Manufacturer | ACDelco |
| Brand | ACDelco |
| Product Dimensions | 15.75 x 2.54 x 2.54 cm; 40.82 g |
| Item model number | 12639701 |
| Manufacturer part number | 12639701 |
| OEM Part Number | 12639701 |
| Item Weight | 40.8 g |
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