Dorman Engine Coolant Water Outlet, 902-904
In stock
$23.29
Listed as compatible with this vehicle by the retailer feed.
Check price2002 Audi A4 Thermostats
From Replacement Guide. Back to thermostat guide
6 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
Motorad Standard Thermostat: With Thermostat Insert, 198 Degrees, 466-198
In stock
$65.99
Listed as compatible with this vehicle by the retailer feed.
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Motorad Integrated Thermostat Housing: With Seal, 198 Degrees, 914-198
In stock
$67.99
Listed as compatible with this vehicle by the retailer feed.
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Dorman Thermostat Assembly: Includes Complete Housing Assembly with Sensor, 212 Degrees, 902-814
In stock
$146.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Thermostat Kit: Gasket Included, 85960
In stock
$151.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Coolant Housing/Water Outlet: Includes Seal, CH9904
Out of stock
$23.99
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.