MOPAR CBLAC442 Torque Converter Oil Cooler Diesel 5.9L

( Type: Oil Cooler ), ( Features: 100 Leak Tested ), ( Manufacturer Part Number: CBLAC442 ), ( Oe/oem Part Number: Cblac442, 68004317aa, 5086946aa, 5086946ab, 68253200aa ), ( Performance Part: No ), ( Manufacturer Warranty: 1 Year )

Review MOPAR Torque Converter Oil Cooler 5.9l Diesel fits RAM 2500 3500 2003–2009

Introducing the Mopar CBL-AC442 Torque Converter Oil Cooler, an essential upgrade for 2003-2009 Ram 2500 and 3500 models equipped with the 5.9L Cummins Diesel engine. This high-performance cooler is designed to enhance the cooling capability of your vehicle's torque converter, ensuring optimal engine performance and longevity.

The Mopar CBL-AC442 Torque Converter Oil Cooler is a direct replacement for the factory unit, making installation seamless and straightforward. It features a robust, brazed aluminum construction that is both durable and efficient in dissipating heat. The cooler's increased cooling capacity allows for improved oil temperatures and reduced wear on critical engine components.

This cooler boasts an impressive 21.5-inch length, 11.8-inch width, and 3.3-inch thickness, providing ample cooling surface area for enhanced heat dissipation. It is also compatible with both automatic and manual transmission systems, making it a versatile solution for a wide range of applications.

One of the key advantages of the Mopar CBL-AC442 Torque Converter Oil Cooler is its integrated pressure test port. This feature allows for easy pressure testing of the cooler system, ensuring that it is functioning optimally and free from leaks. The cooler also comes with all necessary mounting hardware and gaskets for a hassle-free installation.

In summary, the Mopar CBL-AC442 Torque Converter Oil Cooler is an essential upgrade for 2003-2009 Ram 2500 and 3500 models with the 5.9L Cummins Diesel engine. Its robust, aluminum construction, increased cooling capacity, and integrated pressure test port make it a top choice for those seeking improved engine performance and longevity.

The Mopar CBL-AC442 Torque Converter Oil Cooler is designed for 2003-2009 Ram 2500 and 3500 trucks with 5.9L diesel engines. This cooler is intended to enhance the performance and longevity of the vehicle's transmission system by maintaining optimal oil temperature. Let's discuss the potential advantages and disadvantages of installing this cooler.

1. Improved Transmission Performance: By keeping the transmission oil at optimal temperatures, the cooler can help reduce slippage, improve shift quality, and extend the life of the transmission.

2. Increased Durability: The cooler can help prevent oil breakdown caused by high temperatures, which can lead to increased durability and reliability of the transmission.

3. Better Fuel Economy: The improved transmission efficiency can lead to better fuel economy.

4. Enhanced Towing Capability: By reducing heat build-up in the transmission, the cooler can help improve towing capacity and reduce the risk of transmission damage during heavy loads.

1. Cost: The cost of the Mopar CBL-AC442 Torque Converter Oil Cooler can be a significant investment, especially for those on a tight budget.

2. Installation Complexity: Installing the cooler can be a complex process, especially for those who are not experienced in automotive repairs. It may require the use of specialized tools and the removal of various components.

3. Maintenance Requirements: The cooler will require periodic maintenance, such as oil changes and cooler fluid flushes, to ensure that it continues to function properly.

4. Potential Compatibility Issues: There have been some reports of compatibility issues with certain aftermarket transmission cooling systems. It is essential to ensure that the cooler is compatible with any existing cooling systems before installation.

The Mopar CBL-AC442 Torque Converter Oil Cooler can offer significant benefits for those who frequently tow heavy loads or drive their Ram trucks in extreme temperatures. The improved transmission performance, increased durability, better fuel economy, and enhanced towing capability make it a worthwhile investment for many Ram 2500 and 3500 owners. However, the cost, installation complexity, maintenance requirements, and potential compatibility issues are important considerations. Ultimately, the decision to install the cooler depends on individual needs, priorities, and budget.

If you frequently tow heavy loads, drive in extreme temperatures, or are concerned about the longevity of your transmission, the Mopar CBL-AC442 Torque Converter Oil Cooler is a worthwhile investment. However, it is essential to carefully consider the pros and cons and ensure that you have the necessary resources and expertise to install and maintain the cooler. If you are unsure, consider consulting a professional mechanic for advice.

part # cblac442 prices

• $552.46-$630.11

specifications motochilled:

• for models: 2500, 3500, Ram
• for makes: Mopar
• for years: 2003-2009
• type: Oil Cooler
• features: 100 Leak Tested
• manufacturer part number: CBLAC442
• oe/oem part number: Cblac442, 68004317aa, 5086946aa, 5086946ab, 68253200aa
• performance part: No
• manufacturer warranty: 1 Year

returns motochilled:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

offer motochilled:

• sold: 0
• started: June 20, 2026
• quantity: 1
• availability: In Stock
• options: Ship-to-home

payments motochilled:

• wallet: Google-pay
• credit card: Diners-club
• other

seller motochilled:

• rating: 99.4%
• # reviews: 18128

shipping motochilled:

• cost: $0.00
• type: Calculated
• transit: 4-7 Days
• service: USPS Priority Mail, UPS Next Day Air, UPS 2nd Day Air
• class: Expedited, One-day
• carrier: USPS, UPS

general motochilled:

• condition: New
• Car Truck Parts Accessories > Engine Cooling Components > Engine Oil Coolers Lines

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