



⚙️ Keep your drive smooth and tension tight—because your ride deserves the best!
The ACDelco 38158 Professional Automatic Belt Tensioner and Pulley Assembly is a premium aftermarket replacement part crafted from machined aluminum. Engineered to meet or exceed General Motors' original equipment specifications, it ensures precise serpentine belt tension for optimal vehicle performance. Compatible with a wide range of GM and other vehicle models, this lightweight, no-assembly-required tensioner delivers reliable durability and seamless installation backed by GM quality standards.





| Brand | ACDelco |
| Material | Aluminum |
| Belt Style | serpentine belt |
| Compatible Devices | Vehicles |
| Colour | Aluminum w/ Black Pulley |
| Manufacturer | ACDelco |
| Global Trade Identification Number | 00021625584454 |
| UPC | 021625584454 |
| Model | Drive Belt Tensioner |
| Product Dimensions | 22.35 x 12.19 x 9.14 cm; 32 g |
| Item model number | 38158 |
| Exterior | Machined |
| Manufacturer Part Number | 88929140 |
| OEM Part Number | 88929140 |
| Assembly Required | No |
| Country of Origin | USA |
| Item Weight | 32 g |
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