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: radiator hoses and reservoir hoses differ between the 2.4L and the V6 (3.0L and 3.6L). For the 2.4L thermostat and water inlet, see Front Cover & Water Pump 2.4L. The drawing is simplified and not to scale.
Engine: radiator hoses and reservoir hoses differ between the 2.4L and the V6 (3.0L and 3.6L). For the 2.4L thermostat and water inlet, see Front Cover & Water Pump 2.4L. The drawing is simplified and not to scale.
| # | Part | GM OEM # | Fitment & notes | Buy |
|---|---|---|---|---|
| 1 | Hose, radiator inlet (upper) | 23153553 2.4L 23223837 3.0L / 3.6L V6 | Check price on Amazon | |
| 2 | Hose, radiator outlet (lower) | 22886855 2.4L 22946634 3.0L / 3.6L V6 | Check price on Amazon | |
| 3 | Clamp, radiator hose (spring band, 37.2 mm closed) | 11516234 | All engines. Qty 2. | Check price on Amazon |
| 4 | Clamp, radiator inlet hose (47 x 15 mm) | 11570868 | 3.6L V6, 2015-2017. | Check price on Amazon |
| 5 | Tank, radiator surge (coolant reservoir) | 22829367 | All engines. Without low coolant sensor, with restrictor. | Check price on Amazon |
| 6 | Cap, radiator surge tank (15 psi) | 15075118 | All engines. | Check price on Amazon |
| 7 | Hose, coolant recovery reservoir outlet | 25952835 2.4L 25952834 3.0L / 3.6L V6 | Check price on Amazon | |
| 8 | Hose, coolant recovery reservoir vent (to tank) | 25952879 2.4L 25952877 3.0L / 3.6L V6 | Check price on Amazon | |
| 9 | Hose, coolant recovery reservoir vent (to engine) | 25952878 | 2.4L only. | Check price on Amazon |
| 10 | Pipe, coolant recovery reservoir (approx. 572 mm) | 20860981 | 2.4L only. | Check price on Amazon |
| 11 | Springband, vent hose (18 mm) | 11516263 | All engines. | Check price on Amazon |
| 12 | Springband, vent hose (16 mm) | 11571140 | 3.0L and 3.6L V6. | Check price on Amazon |
| 13 | Bracket, radiator outlet hose | 25952807 | 2.4L only. | Check price on Amazon |
| 14 | Clip, radiator outlet hose (push-in) | 15159494 | 2.4L only. | Check price on Amazon |
| 15 | Strap, tie (recovery reservoir hose) | 19130464 | All engines. | Check price on Amazon |
| 16 | Pipe, engine coolant air bleed | 12637188 | 3.0L and 3.6L V6. From 2011 GM sells it with hose (17), fitting (18) and clamps (19). | Check price on Amazon |
| 17 | Hose, engine coolant air bleed | 12637190 | 3.0L and 3.6L V6, 2011-2017. Part of the pipe (16). | Check price on Amazon |
| 18 | Fitting, engine coolant air bleed pipe | 12637192 | 3.0L and 3.6L V6, 2011-2017. Part of the pipe (16). | Check price on Amazon |
| 19 | Clamp, engine coolant air bleed hose (15 mm) | 90572587 | 3.0L and 3.6L V6, 2011-2017. Qty 2. Part of the pipe (16). | Check price on Amazon |
| 20 | 2.4L thermostat, housing, water inlet, outlet pipe, seals and coolant temperature sensor (not illustrated) | 12622410 Thermostat 12618159 Thermostat housing 12607291 Water inlet 90537471 Water inlet seal 90537356 Radiator outlet pipe 90537379 Outlet pipe O-ring, qty 2 3522676 Thermostat seal 12608814 Coolant temperature sensor | 2.4L. GM also shows these on this diagram; they are drawn on the Front Cover & Water Pump 2.4L page. | Check price on Amazon |
The illustration is an original drawing made for this site. It is not to scale and the shapes are representative.