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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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1632120030 - : Thermostat Housing for Lexus Image

Thermostat Housing

Lexus 16321-20030
RX400h. ES300. RX300. ES330. RX330. 2004-06, japan built, type 1.
$87.46
MSRP $112.59
Save $25.13
22.3% Off
616203028064 - : Engine Coolant Outlet Gasket for Mercedes-Benz Image

Engine Coolant Outlet Gasket

Mercedes-Benz 616-203-02-80-64
Engine Coolant Outlet Gasket.
$2.54
MSRP $3.40
Save $0.86
25.3% Off
209974445 - : Engine Coolant Thermostat Gasket for Mercedes-Benz Image

Engine Coolant Thermostat Gasket

Mercedes-Benz 020-997-44-45
O-Ring. 1.8L. Engine Coolant Thermostat Gasket.
$2.92
MSRP $3.90
Save $0.98
25.1% Off
9976109 - : Water Pump O-Ring for Mercedes-Benz Image

Water Pump O-Ring

Mercedes-Benz 000-997-61-09
Water pump,o-ring. Thermostat gasket. Coupe, 2020-23. Glc300. E350 4matic. 2.0L, c300 2019-21. Coupe, convertible, 2.0L, 2019-23....
$5.84
MSRP $7.75
Save $1.91
24.6% Off
6422002115 - : Engine Coolant Thermostat Kit for Mercedes-Benz Image

Engine Coolant Thermostat Kit

Mercedes-Benz 642-200-21-15
Diesel. E320. A kit containing a engine coolant thermostat and additional parts for installation.
$138.75
MSRP $185.00
Save $46.25
25% Off
2562033900 - : Water Pipe for Mercedes-Benz Image

Water Pipe

Mercedes-Benz 256-203-39-00
Cls450. Gls450. Amg gt 53. Cls53 amg. Amg gt 43. Gle53 amg. Gle450. Water pipe. Coupe, 3.0L.
$43.64
MSRP $58.00
Save $14.36
24.8% Off
4635013600 - : Engine Water Pump Housing for Mercedes-Benz Image

Engine Water Pump Housing

Mercedes-Benz 463-501-36-00
Auxilliary cooler, g63 amg. Engine Water Pump Housing.
$108.36
MSRP $144.00
Save $35.64
24.8% Off
2562031002 - : Engine Coolant Pipe for Mercedes-Benz Image

Engine Coolant Pipe

Mercedes-Benz 256-203-10-02
Return line. Gls450 starter/generator. , 3.0L, starter/generator. Pipe that is part of the engine cooling system.
$65.52
MSRP $87.00
Save $21.48
24.7% Off
9978103 - : Turbocharger Coolant Line O-Ring for Mercedes-Benz Image

Turbocharger Coolant Line O-Ring

Mercedes-Benz 000-997-81-03
Pipes & tubes, cls53 amg. 3.0L e450 pipes & tubes. CLS450. upper. GLS450. upper. 3.0L gle450. upper. I6 - 3.0l, e53 amg. Sedan/wagon,...
$1.78
MSRP $2.40
Save $0.62
25.8% Off
2782001600 - : Engine Coolant Thermostat Kit for Mercedes-Benz Image

Engine Coolant Thermostat Kit

Mercedes-Benz 278-200-16-00
$322.58
MSRP $426.00
Save $103.42
24.3% Off
2185010064 - : Water Pipe for Mercedes-Benz Image

Water Pipe

Mercedes-Benz 218-501-00-64
5.5L, primary radiator, cls63 amg. 2012-13. 5.5L biturbo, e63 amg.
$280.00
MSRP $374.00
Save $94.00
25.1% Off
1392006102 - : Water Manifold for Mercedes-Benz Image

Water Manifold

Mercedes-Benz 139-200-61-02
Water manifold. C43. Engine Water Pump Outlet Pipe.
$100.80
MSRP $134.00
Save $33.20
24.8% Off
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