How to replace the thermostat (LX9) on Chevrolet Malibu?

To replace the Thermostat (LX9), start removing the air cleaner intake duct and partially drain the cooling system. Put the hose clamp pliers (J 38185) with a small adjustment of the hose clamp to take it off from the water outlet housing, then pull to remove the radiator inlet hose from the water outlet housing. Then, take off water outlet housing bolts as well as its housing, then the Thermostat. Clean and inspect the gasket mating surfaces of the water outlet housing before installing new Thermostat. Rerunning the water outlet housing, making sure the bolts are tightened to 25 nm (18 ft. Lbs.), and connect the radiator inlet hose to the water outlet housing. Use the hose clamp pliers (J 38185) once again to reposition and secure the hose clamp to water outlet housing followed by re-securing the air cleaner intake duct. Finally, fill the cooling system.

OEM Chevrolet Malibu Thermostat

Engine Coolant Thermostat

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10 Thermostats found

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Chevrolet Malibu Thermostat Part Number: 24507563
$20.53 MSRP: $40.74
You Save: $20.21 (50%)
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Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
- Replaced by: 19435095
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2006 Chevrolet Malibu | Base, LS, LT, LTZ, Maxx, Maxx LS, Maxx LT, Maxx LTZ, Maxx SS, SS | 6 Cyl 3.1 L GAS, 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L GAS
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Chevrolet Malibu Thermostat Part Number: 12591881
$45.62 MSRP: $85.67
You Save: $40.05 (47%)
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Product Specifications
- Other Name: Thermostat Assembly-Engine Coolant; Thermostat, Engine Coolant Temperature
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2010 Chevrolet Malibu | Classic LS, Classic LT, LS, LT, LTZ, Maxx LS, Maxx LT, Maxx LTZ, Maxx SS, SS | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L GAS
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Chevrolet Malibu Thermostat Housing Part Number: 55493557
$104.98 MSRP: $187.46
You Save: $82.48 (44%)
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Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature; Thermostat Housing Cover; Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2019 Chevrolet Malibu | Hybrid | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
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Chevrolet Malibu Thermostat Housing, Green Line Part Number: 12597172
$98.01 MSRP: $201.41
You Save: $103.40 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Housing, Engine Coolant Temperature; Engine Coolant Thermostat Housing; Thermostat Housing Cover; Water Manifold; Housing, Engine Coolant Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2014 Chevrolet Malibu | Classic LS, Eco, Hybrid, LS, LT, LTZ | 4 Cyl 2.2 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Chevrolet Malibu Thermostat, Green Line Part Number: 12622410
$69.04 MSRP: $153.83
You Save: $84.79 (56%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat Assembly-Engine Coolant; Thermostat Kit, Engine Coolant Temperature; Thermostat, Engine Coolant Temperature
- Replaces: 21018811, 55350941, 90537453, 12615097
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2015 Chevrolet Malibu | Base, Classic LS, Eco, Hybrid, LS, LT, LTZ | 4 Cyl 2.2 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 4 Cyl 2.5 L GAS
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Chevrolet Malibu Thermostat Housing Part Number: 12689039
$74.81 MSRP: $153.74
You Save: $78.93 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Housing, Engine Coolant Temperature; Thermostat Housing Cover; Housing, Engine Coolant Thermostat
- Replaces: 12651113
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2012 Chevrolet Malibu | LT, LTZ | 6 Cyl 3.6 L GAS
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Chevrolet Malibu Thermostat Part Number: 24577288
$13.89 MSRP: $25.92
You Save: $12.03 (47%)
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Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
- Replaces: 24575984
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-1999 Chevrolet Malibu | Base | 4 Cyl 2.4 L GAS
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Chevrolet Malibu Thermostat Housing Part Number: 12673413
$103.58 MSRP: $212.84
You Save: $109.26 (52%)
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Product Specifications
- Other Name: Housing, Engine Coolant Temperature; Thermostat Housing Cover; Water Inlet; Thermostat Unit; Housing, Engine Coolant Thermostat
- Replaced by: 25205818
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2024 Chevrolet Malibu | L, LS, LT, RS | 4 Cyl 1.5 L GAS
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Chevrolet Malibu Thermostat Housing Part Number: 25201447
$67.81 MSRP: $139.32
You Save: $71.51 (52%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Housing, Engine Coolant Temperature; Thermostat Housing Cover; Thermostat Gasket; Thermostat; Thermostat Cover; Water Inlet; Housing, Engine Coolant Thermostat
- Replaces: 12651603
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2013-2022 Chevrolet Malibu | LT, LTZ, Premier | 4 Cyl 2.0 L GAS
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Chevrolet Malibu Thermostat Housing Part Number: 12584898
Product Specifications
- Other Name: Housing, Engine Coolant Temperature; Thermostat Housing Cover; Housing, Engine Coolant Thermostat
- Replaces: 13104425
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2005 Chevrolet Malibu | Base | 4 Cyl 2.2 L GAS

Chevrolet Malibu Thermostat

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In the Chevrolet Malibu, the Thermostat is essential part of the car's cooling system which it is usually located near the radiator. Its main use is to control the temperature of the engine with a view of keeping it at its most efficient temperature range. Thermostats are self-contained control apparatus to turn and regulate the temperature within a proper level and used frequently in homes and factories. Some of the most common types of thermostats used earlier were mechanical such as bimetallic strips and wax pellets as well as pneumatic types involving air-filled control tubes. These developments have improved the temperature control in automotive applications so as to offer comfort besides improved performance to Chevrolet Malibu car users.

Chevrolet Malibu Thermostat Parts Questions & Experts Answers

Thermostat, Green Line
12622410
Q: How to replace the thermostat (LX9) on Chevrolet Malibu?
A:
To replace the Thermostat (LX9), start removing the air cleaner intake duct and partially drain the cooling system. Put the hose clamp pliers (J 38185) with a small adjustment of the hose clamp to take it off from the water outlet housing, then pull to remove the radiator inlet hose from the water outlet housing. Then, take off water outlet housing bolts as well as its housing, then the Thermostat. Clean and inspect the gasket mating surfaces of the water outlet housing before installing new Thermostat. Rerunning the water outlet housing, making sure the bolts are tightened to 25 nm (18 ft. Lbs.), and connect the radiator inlet hose to the water outlet housing. Use the hose clamp pliers (J 38185) once again to reposition and secure the hose clamp to water outlet housing followed by re-securing the air cleaner intake duct. Finally, fill the cooling system.