Carquest Standard Thermostat: With Seal, 180 Degrees, 14228
In stock
$23.99
Listed as compatible with this vehicle by the retailer feed.
Check price2008 Cadillac STS Thermostats
5 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
Carquest Standard Thermostat: With Thermostat Insert, With Gasket, 180 Degrees, 15148
In stock
$25.99
Listed as compatible with this vehicle by the retailer feed.
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Motorad Standard Thermostat: With Thermostat Insert, With Seal, 180 Degrees, 735-180
In stock
$27.49
Listed as compatible with this vehicle by the retailer feed.
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Motorad UltraStats Thermostat: With Seal, 180 Degrees, 5339-180
In stock
$34.99
Listed as compatible with this vehicle by the retailer feed.
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Motorad Integrated Thermostat Housing: With Gasket, 180 Degrees, 1013-180
In stock
$268.99
Listed as compatible with this vehicle by the retailer feed.
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This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.