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Vehicle Thermostats: Maintaining Engine Temperature Control

At AutoNation, we understand the importance of keeping your thermostat in good condition. This small but critical component regulates your engine's temperature, preventing both overheating and inefficient cold operation. Proper thermostat function ensures optimal engine performance and fuel efficiency while protecting vital engine components.

Recognizing Thermostat Problems

Your engine might run too hot or cold with a failing thermostat. If you notice temperature fluctuations or your radiator isn't maintaining proper coolant flow, your thermostat might need replacement. Quick action prevents costly engine damage.

Quality Replacement Options

Choosing the right thermostat matters for proper temperature control. While checking your cooling system, inspect your water pump for signs of wear. AutoNation stocks thermostats engineered to your vehicle's exact specifications.

Installation Considerations

Proper thermostat installation requires attention to detail. Ensure you check your cooling fans during replacement. Clean mounting surfaces thoroughly and use new gaskets to prevent coolant leaks.

Get back on the road in no time with genuine OEM parts from AutoNation.

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6L121081K - : Vent Hose for Audi Image

Vent Hose

Audi 06L-121-081-K
2017-2019, auto trans. 2.0L, main hoses. 2017-20. 2.0L, rear, lower, 2016-18. Coupe, 2.0L, front, 2018-20.
$56.40
MSRP $78.34
Save $21.94
28% Off
6D121492J - : Engine Coolant Pipe for Audi Image

Engine Coolant Pipe

Audi 06D-121-492-J
A4. Pipe. From 5400001. 2.0L return. Hose & tube assy. Pipe that is part of the engine cooling system.
$130.81
MSRP $171.66
Save $40.85
23.8% Off
8K0145922A - : Inlet Hose for Audi Image

Inlet Hose

Audi 8K0-145-922-A
3.0L, auxiliary, 2010-12. 3.0L, hoses & pipes, 2010-2012.
$18.06
MSRP $26.66
Save $8.60
32.3% Off
4L121444J - : Engine Coolant Pipe for Audi Image

Engine Coolant Pipe

Audi 04L-121-444-J
2.0L, diesel, intercooler. Pipe that is part of the engine cooling system.
$148.58
MSRP $194.98
Save $46.40
23.8% Off
8W0121081DS - : Breather Tube for Audi Image

Breather Tube

Audi 8W0-121-081-DS
3.0L, 2018-19, lower. 2.9L, main, #1. Convertible, 3.0L, 2018-19, #4.
$62.40
MSRP $86.66
Save $24.26
28% Off
5Q0121064CN - : Oil Cooler Tube for Audi Image

Oil Cooler Tube

Audi 5Q0-121-064-CN
Engine code dhha, left side. 2.0L, code dhha, left side.
$44.54
MSRP $55.65
Save $11.11
20% Off
N10644403 - : Belt Tensioner Bolt for Audi Image

Belt Tensioner Bolt

Audi N-106-444-03
2.5L. Convertible.
$2.87
MSRP $4.24
Save $1.37
32.3% Off
6H121492D - : Hose & Tube Assembly for Audi Image

Hose & Tube Assembly

Audi 06H-121-492-D
2012-15. 2013-2016. Turbocharger Cooling. Outlet. Incl.Pipe. Return line. 2.0L. Hose & tube assy.
$151.13
MSRP $198.33
Save $47.20
23.8% Off
1EA122050BG - : Drive Motor Inverter Radiator Hose for Audi Image

Drive Motor Inverter Radiator Hose

Audi 1EA-122-050-BG
Hose that attaches to the Drive Motor Inverter Radiator.
$85.74
MSRP $113.32
Save $27.58
24.3% Off
11537516414 - : Inlet Pipe for BMW Image

Inlet Pipe

BMW 11-53-7-516-414
Engine Water Pump. Outlet. Pump to Pipe. Incl.Pipe. 2.5, 3.0L, 2006-08. Sedan & wagon, without 335d, M3, auto trans, without turbo.
$153.73
MSRP $184.86
Save $31.13
16.8% Off
11122247745 - : Engine Coolant Outlet Gasket for BMW Image

Engine Coolant Outlet Gasket

BMW 11-12-2-247-745
With 335d.
$9.14
MSRP $12.30
Save $3.16
25.7% Off
17117848791 - : Radiator Coolant Hose for BMW Image

Radiator Coolant Hose

BMW 17-11-7-848-791
3.0L, with M4. Without hybrid, with M3. Auxiliary Radiator. Center. Radiator to Pipe. Incl.Pipe.
$70.12
MSRP $87.68
Save $17.56
20% Off
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