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Genuine Audi A3 Thermostat
Engine Coolant Thermostat- Select Vehicle by Model
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6 Thermostats found
Audi A3 Thermostat Part Number: 04L-121-113-C
$45.73 MSRP: $62.98You Save: $17.25 (28%)Ships in 1-2 Business Days
Audi A3 Thermostat Part Number: 06H-121-113-B
$90.43 MSRP: $126.65You Save: $36.22 (29%)Ships in 1-2 Business Days
Audi A3 Thermostat Housing Part Number: 06F-121-111-F
$98.76 MSRP: $138.32You Save: $39.56 (29%)Ships in 1-2 Business Days
Audi A3 Thermostat Part Number: 06J-121-113-A
$127.32 MSRP: $178.32You Save: $51.00 (29%)Ships in 1-2 Business Days
Audi A3 Thermostat Housing Part Number: 04L-121-026-AH
$168.97 MSRP: $236.65You Save: $67.68 (29%)Ships in 1-2 Business Days
Audi A3 Water Pump Housing Part Number: 06L-121-111-P
$205.87 MSRP: $288.33You Save: $82.46 (29%)Ships in 1-2 Business Days
Audi A3 Thermostat
The Audi A3 Thermostat holds the engine at its optimal working temperature range and safeguards performance, fuel use, and longevity. The device is placed near the radiator and it is a closed-loop control unit that detects the coolant temperature and blocks or allows the flow of the coolant, rapidly switching the cooling circuit, ensuring the gauge remains in the optimal mid-range zone. The majority of Audis use a mechanical wax-pellet Thermostat, which expands as it gets hot and opens a valve, and contracts as it cools down and closes the valve, thus having no external power source and responding smoothly. Another bimetallic Thermostat was also introduced in automotive history, which bends two metals joined together but expands more slowly to open the valve; however, this older method is different because metal flex may be slower and less leak-tight than wax motion, which is why Audi cooling systems now prefer the pellet style. Similar logic of temperature is applied in Audi climate control systems on RV air conditioning or heating, and demonstrates that one tiny piece can have the power to shape comfort in a wide range of environments beyond an Audi engine bay. Understanding the kind of Thermostat installed on a particular A3 will allow drivers to estimate warm-up time, interpret the dash gauge, and detect early indicators of faulty cooling, which will eventually ensure successful Audi travelers in all seasons.
Choose original equipment manufacturer Thermostat for great performance and strong durability. They use Audi's official craftsmanship and high-grade materials, and meet strict quality standards. Are you looking for quality Thermostat at a good price? Come to our online store. We carry a wide range of genuine parts for your Audi A3 and the prices are competitive. Each part comes with the manufacturer's warranty. You can install with confidence and get steady results. Over time, you'll save money and avoid hassle. Keep your maintenance simple and protect your vehicle with OEM parts. Get the quality your A3 needs now.
Audi A3 Thermostat Parts and Q&A
- Q: Where is the thermostat located, and How to test and replace it on Audi A3?A:In 1.6 litre DOHC petrol engines, the thermostat is housed in a housing at the left-hand end of the cylinder head and once this has been removed, the engine top cover must be removed initially. Turn off the coolant system, remove the screwdriver-attachments of the coolant hose(s) to the thermostat cover, and loosen the retaining screws to take off the thermostat cover, record the positions of any bracket(s). Detach the thermostat, including the O-ring (when loose), spring and plunger and access the thermostat element. To test the thermostat it is possible to boil it in boiling water; in case it does not open after the water boils, it is necessary to change it. In case of a thermometer, the actual opening temperature may be verified by the specifications. Even a thermostat that cannot close because of the cooling down of water needs to be changed. Refitting is the process of applying the process of undoing the steps of removal and filling the cooling system with the proper coolant, using a new O-ring. On SOHC and petrol engines (1.6 litre and 2.0 litre), the thermostat is mounted at the rear of an engine block connecting flange on the right-hand side in the front of the engine block. The process of removal is also comparable and involves depleting the cooling system and removing the coolant hose. To test the minimum lift, the thermostat on the map controlled thermostat on 2.0 litre engines is tested after removing the thermostat cover; 12 volt supply is connected to the minimum lift. Refitting is also the same thing as stated above. On diesel engines, a thermostat is placed behind a connection flange on the end of the timing belt. The dismantling procedure involves emptying the cooling system, peeling off engine covers, unattaching the coolant hose, and unscrewing of securing bolts. The thermostat can be removed by twisting the thermostat 90 anti-clockwise out of the cover. To replace it, one needs to put the thermostat into the cover and turn it 90 clockwise and make sure it is in the right position and fill the cooling system with the appropriate coolant.
