Dorman 918-280 Automatic Transmission Oil Cooler

Overview of Dorman 918-280 Automatic Transmission Oil Cooler

The Dorman 918-280 automatic transmission oil cooler is designed to provide reliable cooling performance for select BMW models. Featuring a durable aluminum construction with a chrome finish, this transmission cooler helps maintain optimal transmission fluid temperatures for improved vehicle operation.

• Chrome finish for corrosion resistance and durability
• Aluminum material ensures efficient heat dissipation
• Core dimensions: 3.1 inches width, 2.2 inches height, 5.2 inches depth
• 13 core rows for effective cooling capacity
• Hose barb inlet and outlet attachment types with 0.57-inch diameter
• Standard replacement grade for reliable performance
• Compatible with BMW 525i, 530i, 545i, 645Ci, 745i, and 745Li models

Detailed Product Description

The Dorman 918-280 automatic transmission oil cooler is engineered to meet the cooling requirements of various BMW vehicles, including the 525i, 530i, 545i, 645Ci, 745i, and 745Li. Constructed from aluminum, this cooler offers efficient heat transfer to help regulate transmission fluid temperature and prevent overheating. The chrome finish adds a layer of protection against corrosion, extending the service life of the component.

With 13 core rows and precise dimensions (3.1 inches wide, 2.2 inches high, and 5.2 inches deep), this cooler provides a balance of compact size and effective cooling capacity. Both the inlet and outlet feature hose barb attachment types with a 0.57-inch diameter, facilitating straightforward connection to existing transmission fluid lines. This part is a standard replacement grade, designed to restore the original cooling function without requiring additional installation hardware.

Applications and Problem Solving

• Helps prevent transmission fluid overheating in BMW 525i, 530i, 545i, 645Ci, 745i, and 745Li models
• Reduces risk of transmission damage caused by excessive heat
• Maintains consistent transmission fluid temperature for smoother shifting
• Addresses leaks or failures in the original transmission oil cooler
• Supports extended transmission component lifespan through improved cooling

Installation Notes and Tips

This Dorman transmission oil cooler is designed for direct replacement and does not include installation hardware. Ensure that the hose barb fittings match the existing transmission fluid lines with a 0.57-inch diameter. Properly secure all connections to prevent leaks and verify compatibility with your specific BMW model before installation. It is recommended to inspect the transmission fluid condition and level during installation.

Quality Assurance and Warranty

Dorman 918-280 is manufactured to meet standard replacement quality requirements, providing dependable performance for your BMW transmission cooling system. While installation hardware is not included, the product is built to OEM specifications for fit and function. Please refer to Dorman's warranty policy for coverage details on this automatic transmission oil cooler.