Carquest Standard Thermostat: 170 Degrees, 13947
In stock
$17.99
Listed as compatible with this vehicle by the retailer feed.
Check price1999 Infiniti I30 Thermostats
3 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
Dorman Thermostat Assembly: Includes Housing, Gasket, and Thermostat, 180 Degrees, 902-5140
In stock
$28.49
Listed as compatible with this vehicle by the retailer feed.
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Carquest Integrated Thermostat Housing: With Gasket, 180 Degrees, 14318
In stock
$28.99
Listed as compatible with this vehicle by the retailer feed.
Check price
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.