DORMAN 918-631 Transmission Oil Cooler

( Brand: Dorman ), ( Type: Automatic Transmission Oil Cooler ), ( Manufacturer Part Number: 918-631 ), ( Item Width: 7.300 ), ( Item Height: 6.900 ), ( Item Length: 9.400 )

Review DORMAN Transmission Oil Cooler Ford fits F-150 2015–2020

The Dorman 918-631 Transmission Oil Cooler is specifically designed for Ford F-150 pickup trucks manufactured between the years 1997 and 2004. This cooling component is an essential upgrade for those seeking improved engine performance and reliability under heavy towing or off-road conditions.

This transmission oil cooler is precision-engineered to provide efficient cooling for the transmission fluid. The fluid circulates through the cooler's tubes, where it comes into contact with the cooling fins. The fins increase the surface area, allowing more heat to be dissipated quickly. As a result, the transmission oil remains at a consistent temperature, preventing it from overheating and sustaining potential damage.

The Dorman 918-631 Transmission Oil Cooler is constructed with high-quality materials. The cooling tubes are made from aluminum, which is lightweight yet durable and an excellent heat conductor. The cooling fins are made from thick, sturdy metal to ensure longevity and resistance to corrosion.

The installation process for this transmission oil cooler is straightforward. It comes with all necessary mounting hardware, making it a direct replacement for the OEM part. The cooler can be easily mounted on the driver's side of the vehicle, near the radiator. The included instructions make the installation process simple and hassle-free for the average do-it-yourselfer.

The Dorman 918-631 Transmission Oil Cooler is not only beneficial for towing, but it also enhances everyday driving. By maintaining the proper temperature for the transmission fluid, this cooler helps prolong the life of the transmission and ensures smooth, consistent shifts.

In summary, the Dorman 918-631 Transmission Oil Cooler is a valuable upgrade for Ford F-150 pickup trucks from 1997 to 2004, particularly for those who frequently tow heavy loads or venture off-road. Its efficient cooling capability, durability, and easy installation make it an essential addition to any F-150 owner's parts inventory.

The Dorman 918-631 transmission oil cooler is a potential upgrade for Ford F-150 models from 1997 to 2004 that come with the 4R100 or 5R110W transmission. Here are some pros and cons of purchasing this cooler.

1. Improved cooling efficiency: The Dorman 918-631 transmission oil cooler is designed to provide better cooling for the transmission fluid, preventing it from overheating and reducing the risk of transmission damage.

2. Durability: The cooler is made of heavy-duty materials, including aluminum and brass, making it more resilient to rust and corrosion than the stock cooler.

3. Easy installation: The cooler is a direct replacement for the stock cooler, making the installation process straightforward and relatively simple.

4. Improved performance: By maintaining optimal transmission temperatures, the cooler can help improve overall vehicle performance, including better acceleration and smoother shifts.

1. Cost: The Dorman 918-631 transmission oil cooler is more expensive than the stock cooler. However, the long-term benefits of the upgrade, such as reduced transmission damage and improved performance, may outweigh the initial cost.

2. Size: The cooler is slightly larger than the stock cooler, which may require some modification to fit in tight spaces.

3. Maintenance: While the cooler is designed to be durable, it will still require occasional maintenance to ensure optimal performance. This may include checking the coolant level and replacing the coolant periodically.

In conclusion, the Dorman 918-631 transmission oil cooler is a worthwhile investment for Ford F-150 owners with older models. The benefits of improved cooling efficiency, durability, and performance make it a valuable upgrade, despite the initial cost and potential installation challenges. Ultimately, the decision to purchase the cooler will depend on the individual vehicle owner's priorities and budget.

Recommendation: If you drive a Ford F-150 with a 4R100 or 5R110W transmission from 1997 to 2004 and are looking to improve its performance and longevity, the Dorman 918-631 transmission oil cooler is a recommended upgrade. However, it is essential to consider the installation process and ongoing maintenance requirements before making the purchase. Additionally, it may be helpful to consult with a mechanic or transmission specialist to ensure a successful installation and optimal performance.

part # 918631 prices

• $109.98-$125.90

specifications motochilled:

• for models: F-150
• for makes: Ford
• for years: 2015-2020
• brand: Dorman
• type: Automatic Transmission Oil Cooler
• manufacturer part number: 918-631
• item width: 7.300
• item height: 6.900
• item length: 9.400

payments motochilled:

• wallet: Paypal
• other
• credit card: Discover

offer motochilled:

• sold: 0
• quantity: 10
• options: Ship-to-home
• availability: In Stock
• started: January 5, 2026

shipping motochilled:

• class: Standard
• transit: 3-8 Days
• cost: $0.00
• service: Standard
• type: Fixed

seller motochilled:

• # reviews: 138853
• rating: 99.3%

returns motochilled:

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

general motochilled:

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

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