How to Service the Secondary Thermostat on a 2.0/2.4L Engine on 2009 Dodge Avenger?

The first step in servicing the secondary thermostat on a 2.0/2.4L engine is to drain some Few Liters of coolant from the radiator when the car is cold. After that, take out the air filter housing and disconnect the coolant hoses from where they connect to the rear of the coolant adapter. Take out the radiator hose after that and then the front radiator hose from the coolant adapter. Thereafter, remove the bolts that connect the coolant adapter and carefully pull the coolant adapter from the water pump inlet tube with the secondary thermostat.

OEM 2009 Dodge Avenger Thermostat

Engine Coolant Thermostat

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4 Thermostats found

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2009 Dodge Avenger Thermostat Housing Part Number: 68273161AA
$60.93 MSRP: $91.10
You Save: $30.17 (34%)
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Product Specifications
- Other Name: Thermostat; Engine Coolant Thermostat; Thermostat Housing Cover; Thermostat, Coolant
- Replaces: 4666140AA
- Item Weight: 0.50 Pounds
- Item Dimensions: 2.0 x 2.3 x 2.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 68273161AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
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Fits the following 2009 Dodge Avenger Submodels:
- R/T | 3.5L V6, 6 Cyl 3.5 L GAS
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2009 Dodge Avenger Thermostat Part Number: 55111016AC
$3.94 MSRP: $5.70
You Save: $1.76 (31%)
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Product Specifications
- Other Name: Engine Coolant Thermostat; Thermostat See Catalog Note
- Replaces: 55111016AA, 55111016AB
- Item Weight: 0.60 Pounds
- Item Dimensions: 2.6 x 2.4 x 2.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55111016AC
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
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Fits the following 2009 Dodge Avenger Submodels:
- Express, Lux, Mainstreet, R/T, SE, SXT | 4 Cyl 2.4 L GAS
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2009 Dodge Avenger Thermostat Part Number: 55111017AB
Product Specifications
- Other Name: Engine Coolant Thermostat; Thermostat See Catalog Note
- Replaces: 55111017AA, 68003583AA
- Item Weight: 0.50 Pounds
- Item Dimensions: 2.1 x 2.1 x 1.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55111017AB
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
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Fits the following 2009 Dodge Avenger Submodels:
- Express, Lux, Mainstreet, R/T, SE, SXT | 4 Cyl 2.4 L GAS
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2009 Dodge Avenger Thermostat Part Number: 68237102AA
$23.49 MSRP: $33.75
You Save: $10.26 (31%)
Product Specifications
- Other Name: Thermostat - Engine Coolant
- Replaces: 5159157AA, 5159157AB, 68023515AA
- Item Weight: 0.60 Pounds
- Item Dimensions: 2.3 x 2.3 x 2.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 68237102AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2009 Dodge Avenger Submodels:
- R/T, SE, SXT | 2.7L V6, 6 Cyl 2.7 L FLEX, 6 Cyl 2.7 L GAS

2009 Dodge Avenger Thermostat Parts and Q&A

Q: How to Service the Secondary Thermostat on a 2.0/2.4L Engine on 2009 Dodge Avenger?
A: The first step in servicing the secondary thermostat on a 2.0/2.4L engine is to drain some Few Liters of coolant from the radiator when the car is cold. After that, take out the air filter housing and disconnect the coolant hoses from where they connect to the rear of the coolant adapter. Take out the radiator hose after that and then the front radiator hose from the coolant adapter. Thereafter, remove the bolts that connect the coolant adapter and carefully pull the coolant adapter from the water pump inlet tube with the secondary thermostat.