GM Engine Coolant Thermostat
Genuine GM · Part #24588515 · Engine / Cooling
Genuine GM engine coolant thermostat (with housing) that regulates coolant flow.
- Part number
- 24588515
- Fits
- Chevrolet Express / Colorado, GMC Savana / Canyon, 2.8L turbo diesel; engine coolant thermostat.
- Replaces
12642691
- AutoNation price
- $106.9 (as of 2026-07-13)
Fitment note: The parts-catalog fitment shown above is confirmed, but the exact model years aren’t stated on the source listing. Confirm this part fits your specific vehicle with AutoNation Parts before ordering.
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Before you order
- Confirm it fits with your VIN before buying.
- The numbers under “Replaces” are older, superseded numbers — why GM part numbers change.
Details on this page were taken from the live AutoNation Parts listing (https://www.autonationparts.com/parts/gm-engine-coolant-thermostat-24588515) on 2026-07-13. Prices and availability can change — confirm on the retailer’s page before purchase.