How to Service and Repair a Thermostat on a 5.7L Engine on 2007 Dodge Ram 3500?

To fix or repair your thermostat in a 5.7L engine, it is important to start by removing the negative battery cable. After that, evacuate the cooling system. Remove the clamp and radiator hose at the thermostat housing next in the process. After removing the wires, remove the three housing bolts and then remove the housing and the thermostat.

OEM 2007 Dodge Ram 3500 Thermostat

Engine Coolant Thermostat

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4 Thermostats found

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2007 Dodge Ram 3500 Thermostat Part Number: 5086739AB
$159.47 MSRP: $238.00
You Save: $78.53 (33%)
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Product Specifications
- Other Name: Engine Coolant Thermostat
- Replaces: 5086739AA
- Item Weight: 0.60 Pounds
- Item Dimensions: 3.0 x 2.6 x 2.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5086739AB
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
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Fits the following 2007 Dodge Ram 3500 Submodels:
- Laramie, SLT, ST, SXT, Sport, TRX4 | 5.9L L6, 6 Cyl 5.9 L DIESEL, 6 Cyl 6.7 L DIESEL
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2007 Dodge Ram 3500 Thermostat Part Number: 52028898AJ
$69.58 MSRP: $91.75
You Save: $22.17 (25%)
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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 2007 Dodge Ram 3500 Submodels:
- Laramie, SLT, ST, SXT, Sport | 5.7L V8, 8 Cyl 5.7 L GAS
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2007 Dodge Ram 3500 Thermostat Part Number: 68534176AA
$201.45 MSRP: $262.00
You Save: $60.55 (24%)
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Product Specifications
- Other Name: Engine Coolant Thermostat
- Replaces: 68005464AB, 68005464AA
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 68534176AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following 2007 Dodge Ram 3500 Submodels:
- Laramie, SLT, ST, SXT, Sport, TRX4 | 6 Cyl 5.9 L DIESEL, 6 Cyl 6.7 L DIESEL, 6.7L L6
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2007 Dodge Ram 3500 Thermostat Housing Part Number: 5015713AA
Product Specifications
- Other Name: Thermostat; Engine Coolant Thermostat Housing; Thermostat Housing Cover; Housing Thermostat
- Item Weight: 3.50 Pounds
- Item Dimensions: 8.2 x 8.2 x 5.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5015713AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2007 Dodge Ram 3500 Submodels:
- Base, Laramie, SLT, ST, SXT, Sport, TRX4 | 6 Cyl 5.9 L DIESEL, 6 Cyl 6.7 L DIESEL

2007 Dodge Ram 3500 Thermostat Parts and Q&A

Q: How to Service and Repair a Thermostat on a 5.7L Engine on 2007 Dodge Ram 3500?
A: To fix or repair your thermostat in a 5.7L engine, it is important to start by removing the negative battery cable. After that, evacuate the cooling system. Remove the clamp and radiator hose at the thermostat housing next in the process. After removing the wires, remove the three housing bolts and then remove the housing and the thermostat.