How to service the water-to-oil Transmission Oil Cooler on Dodge Ram 1500?

In order to service the water-to-oil cooler, first disconnect both battery negative cables and remove the starter. Remove the coolant pipes from cooler and drain the cooldown system. Use a back up wrench on the transmission cooler fittings to avoid damage. The following step is to disconnect the transmission oil lines from the cooler while plugging the cooler lines to prevent the oil from leaking. First, remove the bolt for the cooler bracket to transmission adapter. Next, remove the wire harness push-in clips on the bottom of the coolant bracket. Following that, unfasten the two bolts securing the cooler bracket in order to block it, then take this assembly out of the vehicle. In the event of leaking from the water-to-oil cooler, drain the cooling system and the transmission, and check them for contamination.

How to service and repair the Transmission Oil Cooler (air-to-oil) on a 5.9L diesel engine on Dodge Ram 2500?

To service and repair the air to oil cooler for the 5.9L diesel engine, the Charge Air Cooler must first be removed and a drain pan placed under the oil cooler. Elevate the vehicle and unfasten the quick-connect ends of the oil cooler from the tranny lines. Take out the bolt that connects the charge air cooler to the oil cooler as well as the two nuts that secure it in place. Next, take out the oil cooler and line assembly towards the front of the vehicle, rotating and tilting it as necessary. The transmission oil cooler has a serviceable internal thermostat; to disassemble, remove the transmission oil cooler, and then remove the snap ring holding the thermostat end plug and then the end plug, thermostat and spring. For fitting, clean the thermostat bore in the transmission oil cooler. Install new spring, thermostat, end plug and snap ring. Refit the transmission oil cooler. To install the oil cooler assembly, maneuver it into position and install the two nuts and one bolt and torque to 11 Nm (95 inch lbs.); connect the quick-connect fittings to the transmission cooler lines. Reinstall the Charge Air Cooler, start the engine and check fittings for leaks, and check the fluid level in the automatic transmission.

OEM Dodge Transmission Oil Cooler

Trans Oil Cooler

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42 Transmission Oil Coolers found

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Dodge Transmission Cooler Part Number: 52028915AF
$291.72 MSRP: $441.00
You Save: $149.28 (34%)
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Product Specifications
- Other Name: Cooler - Transmission Oil; Automatic Transmission Oil Cooler
- Replaces: 52028915AC, 52028915AE, 52028915AD
Fits the following Dodge Models:
- Ram 1500 | 2003-2004
- Ram 2500 | 2003-2009 | Laramie, SLT, Sport, ST, TRX4 | 10 Cyl 8.0 L GAS, 5.9L L6, 6 Cyl 5.9 L DIESEL, 8.0L V10
- Ram 3500 | 2003-2009 | Laramie, SLT, Sport, ST, TRX4 | 10 Cyl 8.0 L GAS, 5.9L L6, 6 Cyl 5.9 L DIESEL, 8.0L V10
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Dodge Transmission Cooler Part Number: 5058935AB
$150.48 MSRP: $224.00
You Save: $73.52 (33%)
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Product Specifications
- Other Name: Cooler - Transmission Oil; Automatic Transmission Oil Cooler; Cooler Transmission Oil
Fits the following Dodge Models:
- Journey | 2012-2020 | AVP, Crew, Crossroad, GT, Limited, R/T, SE, SE Value, SXT | 4 Cyl 2.4 L GAS, 6 Cyl 3.6 L FLEX
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Dodge Transmission Cooler Part Number: 68025160AA
$204.39 MSRP: $303.00
You Save: $98.61 (33%)
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Product Specifications
- Other Name: Cooler - Auxiliary Transmission Oil; Automatic Transmission Oil Cooler; Auxiliary Cooler; Transmission oil cooler for vehicles built before 11/01/2009.
Fits the following Dodge Models:
- Caliber | 2010 | Express, Heat, Mainstreet, R/T, Rush, SE, SXT, Uptown | 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L GAS
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Dodge Transmission Cooler Part Number: 52028864AA
$547.37 MSRP: $619.00
You Save: $71.63 (12%)
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Product Specifications
- Other Name: Cooler - Transmission Oil; Automatic Transmission Oil Cooler; Cooler Transmission Oil
Fits the following Dodge Models:
- Ram 1500 Van | 2000-2003 | Base | 6 Cyl 3.9 L GAS, 8 Cyl 5.2 L GAS, 8 Cyl 5.9 L GAS
- Ram 2500 Van | 2000-2003 | Base | 6 Cyl 3.9 L GAS, 8 Cyl 5.2 L CNG, 8 Cyl 5.2 L GAS, 8 Cyl 5.9 L GAS
- Ram 3500 Van | 2000-2003 | Base | 8 Cyl 5.2 L CNG, 8 Cyl 5.2 L GAS, 8 Cyl 5.2 L LPG, 8 Cyl 5.9 L GAS
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Dodge Transmission Cooler Part Number: 5016794AA
$131.49
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Product Specifications
- Other Name: Cooler - Auxiliary Oil; Cooler Auxiliary Oil Contains Inlet And Outlet Tubes, Protector Caps And Seals
Fits the following Dodge Models:
- Caravan | 1996-2000 | Base, ES, LE, SE, Sport | 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L FLEX, 6 Cyl 3.3 L GAS, 6 Cyl 3.8 L GAS
- Grand Caravan | 1996-2000 | Base, ES, LE, SE, Sport | 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L FLEX, 6 Cyl 3.3 L GAS, 6 Cyl 3.8 L GAS
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Dodge Cooler - Transmission Oil Part Number: 68607762AC
$74.48 MSRP: $112.00
You Save: $37.52 (34%)
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Product Specifications
- Other Name: COOLER-TRANSMISSION OIL
Fits the following Dodge Models:
- Charger Daytona | 2024-2025 | R/T, Scat Pack | BATTERY EV (EV/BEV)
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Dodge Transmission Cooler Part Number: 68596421AA
$292.83 MSRP: $442.00
You Save: $149.17 (34%)
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Product Specifications
- Other Name: Cooler - Transmission Oil; Oil Cooler
- Replaces: 68377852AA
Fits the following Dodge Models:
- Durango | 2015-2021 | Citadel, GT, GT Plus, Limited, Pursuit, R/T, Rallye, SXT, SXT Plus, Special Service | 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS, 8 Cyl 5.7 L GAS
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Dodge Cooler Transmission Oil Part Number: 68232604AB
$309.40 MSRP: $467.00
You Save: $157.60 (34%)
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Product Specifications
- Other Name: Cooler - Transmission Oil
- Replaces: 68232604AA
Fits the following Dodge Models:
- Durango | 2015-2020 | Citadel, Limited, Pursuit, R/T, Special Service | 3.6L V6, 5.7L V8, 8 Cyl 5.7 L GAS
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Dodge Transmission Cooler Part Number: 52028967AD
$175.19 MSRP: $261.00
You Save: $85.81 (33%)
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Product Specifications
- Other Name: Cooler - Transmission Oil; Automatic Transmission Oil Cooler; Automatic Transmission Oil Cooler Assembly; Cooler Transmission Oil
Fits the following Dodge Models:
- Ram 1500 | 2008 | Laramie, SLT, ST, SXT | 6 Cyl 3.7 L GAS, 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L GAS
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Dodge Transmission Cooler Part Number: 68596478AA
$186.42 MSRP: $277.00
You Save: $90.58 (33%)
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Product Specifications
- Other Name: Cooler - Transmission Oil; Oil Cooler
- Replaces: 68480077AA
Fits the following Dodge Models:
- Durango | 2021-2025 | Citadel, GT, GT Plus, GT Premium, Pursuit, R/T, R/T Hemi Orange, R/T Plus, R/T Premium, Special Service, SXT, SXT Plus | 3.6L V6, 5.7L V8, 6 Cyl 3.6 L GAS, 8 Cyl 5.7 L GAS
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Dodge Transmission Cooler Part Number: 55056472AB
$203.26 MSRP: $302.00
You Save: $98.74 (33%)
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Product Specifications
- Other Name: Cooler - Transmission Oil; Automatic Transmission Oil Cooler; Automatic Transmission Oil Cooler Assembly; Cooler Transmission Oil
Fits the following Dodge Models:
- Ram 1500 | 2008 | Laramie, SLT, ST, SXT | 8 Cyl 5.7 L GAS
- Ram 2500 | 2008-2009 | Laramie, Power Wagon, SLT, ST, SXT | 8 Cyl 5.7 L GAS
- Ram 3500 | 2008-2009 | Laramie, SLT, ST, SXT | 8 Cyl 5.7 L GAS
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Dodge Transmission Cooler Part Number: 5010360AC
$670.65 MSRP: $851.00
You Save: $180.35 (22%)
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Product Specifications
- Other Name: Cooler - Auxiliary Transmission Oil; Automatic Transmission Oil Cooler; Outlet Tube; Cooler Kit Auxiliary Transmission Oil
- Replaces: 5010360AA, 5010360AB
Fits the following Dodge Models:
- Intrepid | 1998-2004 | Base, ES, Police, R/T, SE, SXT | 2.7L V6, 3.2L V6, 3.5L V6, 6 Cyl 2.7 L GAS, 6 Cyl 3.2 L GAS, 6 Cyl 3.5 L GAS
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Dodge Transmission Cooler Part Number: 68505128AA
$259.46 MSRP: $384.00
You Save: $124.54 (33%)
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Product Specifications
- Other Name: Cooler - Transmission Oil; Automatic Transmission Oil Cooler; Oil Cooler; Cooler Transmission Oil
- Replaced by: 68505129AA
- Replaces: 68247219AA
Fits the following Dodge Models:
- Hornet | 2023-2025 | GT, GT Plus | 4 Cyl 2.0 L GAS
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Dodge Transmission Cooler Part Number: 68078975AB
$435.10 MSRP: $634.00
You Save: $198.90 (32%)
Product Specifications
- Other Name: Cooler - Condenser And Transmission Cooler; Automatic Transmission Oil Cooler; A/C Condenser; Condenser A/C; Oil Cooler; Cooler Condenser And Transmission Cooler Includes: Receiver Drier
- Replaces: 68078975AA
Fits the following Dodge Models:
- Caliber | 2010-2012 | Express, Heat, Mainstreet, R/T, Rush, SE, SXT, SXT Plus, Uptown | 2.0L L4, 2.4L L4, 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L GAS
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Dodge Transmission Cooler Part Number: 4644951
Product Specifications
- Other Name: Cooler - Transmission Oil; Oil Cooler Assembly; Cooler, Oil
Fits the following Dodge Models:
- Caravan | 1993-1995 | Base, C/V, ES, LE, SE | 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L GAS
- Grand Caravan | 1993-1995 | Base, ES, LE, SE | 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L GAS, 6 Cyl 3.8 L GAS
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Dodge Transmission Cooler Part Number: 4856561
Product Specifications
- Other Name: Cooler - Auxiliary Oil; Oil Cooler Line; Cooler; Cooler, Oil, Auxiliary; Cooler Auxiliary Oil
Fits the following Dodge Models:
- Stratus | 1995-2000 | Base, ES, SE | 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L GAS, 6 Cyl 2.5 L GAS
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Dodge Transmission Cooler Part Number: 68482882AA
$118.97 MSRP: $176.00
You Save: $57.03 (33%)
Product Specifications
- Other Name: Cooler - Transmission Oil
Fits the following Dodge Models:
- Hornet | 2024-2025 | R/T, R/T Plus | 4 Cyl 1.3 L PLUG-IN HYBRID EV-GAS (PHEV)
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Dodge Transmission Cooler Part Number: 52029009AB
$167.68 MSRP: $249.00
You Save: $81.32 (33%)
Product Specifications
- Other Name: Cooler - Transmission Oil; Automatic Transmission Oil Cooler; Auxiliary Oil Cooler; Cooler Transmission Oil
- Replaces: 52029008AB, 52029009AC
Fits the following Dodge Models:
- Durango | 2004-2009 | Adventurer, Limited, SE, SLT, ST, SXT | 3.7L V6, 4.7L V8, 5.7L V8, 6 Cyl 3.7 L GAS, 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L GAS
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Dodge Transmission Cooler Part Number: 52014972AC
$214.14 MSRP: $314.00
You Save: $99.86 (32%)
Product Specifications
- Other Name: Cooler - Transmission Oil; Automatic Transmission Oil Cooler; Oil Cooler; Cooler Transmission Oil
- Replaces: 52014972AA, 52014972AB
Fits the following Dodge Models:
- Dart | 2012-2016 | Aero, GT, Limited, R/T, Rallye, SE, SXT, SXT Sport | 1.4L L4, 2.0L L4, 2.4L L4, 4 Cyl 1.4 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L GAS
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Dodge Transmission Cooler Part Number: 55056472AA
Product Specifications
- Other Name: Cooler - Transmission Oil; Automatic Transmission Oil Cooler; Cooler Transmission Oil
Fits the following Dodge Models:
- Ram 1500 | 2004-2007 | Laramie, SLT, ST, Sport, TRX4 | 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L GAS
- Ram 2500 | 2004-2007 | Laramie, Power Wagon, SLT, ST, Sport, TRX4 | 8 Cyl 5.7 L GAS
- Ram 3500 | 2004-2007 | Laramie, SLT, ST, Sport | 8 Cyl 5.7 L GAS
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Dodge Transmission Oil Cooler

OEM parts sourced directly from Dodge deliver superior quality, long lasting strength, and a precise fit you can trust. Each item goes through strict quality checks to ensure safety, toughness, and performance that matches your factory equipment. At JeepPartsDeal online shop, you'll get top-quality, budget-friendly OEM Dodge Transmission Oil Cooler for your vehicle. We focus on giving you a high standard without pushing up the price. Our full selection of genuine factory products comes backed by the original manufacturer's warranty. You'll love our fast delivery, seamless shopping experience, and convenient return policy, saving you all the hassle.

Dodge Transmission Oil Cooler maintains safe temperatures of transmission fluid, allowing for smooth, long-lasting gear shifts. Originating in a Detroit machine shop, Dodge staked its name on all steel body construction, robust drivetrains, and a philosophy that work should still be fun. This philosophy brought forth the HEMI thump, the rambunctious Viper, and now the Fratzonic Chambered Exhaust that allows silent electrons to howl or hide at a touch. The badge chosen by fans for their unapologetic style, speedy launches, and equipment that can withstand weekend track abuse as easily as weekday commutes. Such a rough-and-ready reputation relies on keeping heat in mind across all platforms. The Transmission Oil Cooler is essentially a little radiator ahead of the main stack, where the airflow strips heat from the fluid. The hot fluid that leaves the gearbox passes through a series of finned tubes in a continuous loop. As it does this, it cools off and returns to its place, ready for a repeat performance every moment that the car is moving. Keeping it around 175 degrees ensures stable viscosity and strong hydraulic pressure while preventing varnish and seal or clutch slip. Whether you are towing a boat, creeping through stop-and-go traffic, or climbing a mountain, the system maintains crisp shifting in each Dodge instead of overheating. Overheating of transmission fluid occurs quickly if a line leaks or a fin gets crushed. Inspecting the hoses and cooler prevents a nasty surprise. Since the Transmission Oil Cooler just adds a few lightweight parts but saves the cost of a rebuild, it has big value across the Dodge range. A healthy Transmission Oil Cooler, in short, equals longer life, lower repair bills, and confidence that rugged Dodge attitude will reach the pavement every day.

Dodge Transmission Oil Cooler Parts and Q&A

Transmission Cooler
55056472AA
Q:
How to service the water-to-oil Transmission Oil Cooler on Dodge Ram 1500?
A:
In order to service the water-to-oil cooler, first disconnect both battery negative cables and remove the starter. Remove the coolant pipes from cooler and drain the cooldown system. Use a back up wrench on the transmission cooler fittings to avoid damage. The following step is to disconnect the transmission oil lines from the cooler while plugging the cooler lines to prevent the oil from leaking. First, remove the bolt for the cooler bracket to transmission adapter. Next, remove the wire harness push-in clips on the bottom of the coolant bracket. Following that, unfasten the two bolts securing the cooler bracket in order to block it, then take this assembly out of the vehicle. In the event of leaking from the water-to-oil cooler, drain the cooling system and the transmission, and check them for contamination.
Transmission Cooler
52028915AF
Q:
How to service and repair the Transmission Oil Cooler (air-to-oil) on a 5.9L diesel engine on Dodge Ram 2500?
A:
To service and repair the air to oil cooler for the 5.9L diesel engine, the Charge Air Cooler must first be removed and a drain pan placed under the oil cooler. Elevate the vehicle and unfasten the quick-connect ends of the oil cooler from the tranny lines. Take out the bolt that connects the charge air cooler to the oil cooler as well as the two nuts that secure it in place. Next, take out the oil cooler and line assembly towards the front of the vehicle, rotating and tilting it as necessary. The transmission oil cooler has a serviceable internal thermostat; to disassemble, remove the transmission oil cooler, and then remove the snap ring holding the thermostat end plug and then the end plug, thermostat and spring. For fitting, clean the thermostat bore in the transmission oil cooler. Install new spring, thermostat, end plug and snap ring. Refit the transmission oil cooler. To install the oil cooler assembly, maneuver it into position and install the two nuts and one bolt and torque to 11 Nm (95 inch lbs.); connect the quick-connect fittings to the transmission cooler lines. Reinstall the Charge Air Cooler, start the engine and check fittings for leaks, and check the fluid level in the automatic transmission.