How to Maintain the Thermostat on a 3.7L or 4.7L Engine on 2009 Dodge Ram 1500?

The first step to service the 3.7L or 4.7L engine's coolant thermostat is to take off the negative battery cable. Take care to drain the cooling system properly and don't let the radiator draincock come loose until the system cools. Lift the vehicle and take out the splash shield. After that, loosen and take out the clamp on the lower radiator hose and then remove the hose from the thermostat housing. Once done, take out the bolts securing the thermostat housing, take out the housing itself and remove the thermostat.

OEM 2009 Dodge Ram 1500 Thermostat

Engine Coolant Thermostat

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2 Thermostats found

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2009 Dodge Ram 1500 Front Cover Part Number: 68174083AA
$44.16 MSRP: $56.85
You Save: $12.69 (23%)
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Product Specifications
- Other Name: Thermostat; Engine Coolant Thermostat Housing Gasket; Engine Coolant Thermostat
- Replaces: 52079476AB, 52079476AC, 52079476AD, 52079476AE
- Item Weight: 0.60 Pounds
- Item Dimensions: 2.1 x 2.6 x 2.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 68174083AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2009 Dodge Ram 1500 Submodels:
- Laramie, SLT, ST, SXT, TRX, TRX4 | 3.7L V6, 4.7L V8, 6 Cyl 3.7 L GAS, 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS
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2009 Dodge Ram 1500 Thermostat Part Number: 52028898AJ
$69.58 MSRP: $91.75
You Save: $22.17 (25%)
ADD TO CART
Product Specifications
- Replaces: 52028898AE, 52028898AI
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 52028898AJ
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following 2009 Dodge Ram 1500 Submodels:
- Laramie, SLT, ST, SXT, Sport, TRX, TRX4 | 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L GAS

2009 Dodge Ram 1500 Thermostat Parts and Q&A

Q: How to Maintain the Thermostat on a 3.7L or 4.7L Engine on 2009 Dodge Ram 1500?
A: The first step to service the 3.7L or 4.7L engine's coolant thermostat is to take off the negative battery cable. Take care to drain the cooling system properly and don't let the radiator draincock come loose until the system cools. Lift the vehicle and take out the splash shield. After that, loosen and take out the clamp on the lower radiator hose and then remove the hose from the thermostat housing. Once done, take out the bolts securing the thermostat housing, take out the housing itself and remove the thermostat.