Before you order: GM part numbers change by option code and year. Confirm against your VIN with a GM dealer. Callout numbers on this page are our own and do not match GM's diagram numbers. Quantities are per vehicle (both sides).
Engine: the belt and tensioner are different for the 2.4L and the V6. The drawing shows both belt routings side by side (simplified, not to scale). Crankshaft, generator, A/C, power steering and water pump pulleys are drawn only for reference.
Engine: the belt and tensioner are different for the 2.4L and the V6. The drawing shows both belt routings side by side (simplified, not to scale). Crankshaft, generator, A/C, power steering and water pump pulleys are drawn only for reference.
| # | Part | GM OEM # | Fitment & notes | Buy |
|---|---|---|---|---|
| 1 | Belt, accessory drive (generator & A/C compressor) | 12634319 | 2.4L 4-cylinder only. | Check price on Amazon |
| 2 | Belt, accessory drive (water pump, A/C, generator & power steering pump; 2410 mm, 6 rib) | 12636138 | 3.0L V6 (2010-2012) and 3.6L V6 (2013-2017). | Check price on Amazon |
| 3 | Tensioner, drive belt | 19431998 current 24430296 superseded | 2.4L 4-cylinder. GM replaces 24430296 with 19431998. | Check price on Amazon |
| 4 | Tensioner, drive belt | 12715120 | 3.0L and 3.6L V6. | Check price on Amazon |
| 5 | Pulley, drive belt idler | 12610680 | 3.0L and 3.6L V6. GM lists it as an assembly with one included part (probably its bolt); check before ordering separately. | Check price on Amazon |
| 6 | Bolt, drive belt tensioner (M8x1.25x60) | 11519173 | 3.0L and 3.6L V6. Qty 2. | Check price on Amazon |
| 7 | Bolt, drive belt tensioner (M10x1.5x65.75) | 11588745 | GM lists this bolt on the diagram without an engine note. | Check price on Amazon |
The illustration is an original drawing made for this site. It is not to scale and the shapes are representative.