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⚙️ Drive with confidence—GM precision under your hood!
The GM Genuine Parts 12633238 Engine Control Module is a factory-spec replacement unit designed to manage your vehicle’s critical engine functions. Featuring a gold-contact plug-in connector and 10-watt power efficiency, it requires professional programming to ensure optimal performance. Manufactured by ACDelco to meet GM OE standards, this module guarantees reliable fit, form, and function for your GM vehicle.





| ASIN | B00496V0ZA |
| Best Sellers Rank | #93,161 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Control Units |
| Brand Name | GM GENUINE PARTS |
| Connector Type | Plug-In |
| Contact Material | Gold |
| Contact Type | Normally Open |
| Customer Reviews | 4.5 4.5 out of 5 stars (66) |
| Global Trade Identification Number | 00707773620137 |
| Included Components | Engine Control Module |
| Item Type Name | Engine Control Module |
| Item Weight | 1.74 Pounds |
| Manufacturer | ACDelco |
| Model | 12633238 |
| Mounting Type | Screw Mount |
| Number of Terminals | 1 |
| Operation Mode | Automatic |
| Part Number | 12633238 |
| Specification Met | OE |
| UPC | 707773620137 |
| Unit Count | 1 Count |
| Wattage | 10 watts |
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