Dorman 918-284 Automatic Transmission Oil Cooler - Auxiliary

Overview of Dorman 918-284 Automatic Transmission Oil Cooler

The Dorman 918-284 automatic transmission oil cooler is designed specifically for Lexus RX300 models, providing reliable cooling performance to maintain optimal transmission temperatures. This black-finished aluminum cooler offers a durable and efficient solution for transmission fluid heat management.

• Compatible with Lexus RX300 automatic transmission systems
• Constructed from corrosion-resistant aluminum with a black finish
• Dimensions: 12.32 inches height, 9.14 inches width, and 2.401 inches depth
• Features 14 core rows for effective heat dissipation
• Inlet and outlet diameters of 0.393 inches with hose barb attachment types
• Includes installation hardware for straightforward replacement
• Standard replacement grade for dependable performance

Detailed Product Description

The Dorman 918-284 automatic transmission oil cooler is engineered to meet the cooling requirements of the Lexus RX300. Its aluminum construction ensures lightweight durability and resistance to corrosion, while the black finish adds protection against environmental factors. The cooler’s 14 core rows maximize surface area for efficient heat exchange, helping to maintain transmission fluid at safe operating temperatures. Both the inlet and outlet feature 0.393-inch hose barb attachments, facilitating secure and leak-free connections during installation. With included hardware, this oil cooler simplifies the replacement process, making it a practical choice for maintaining transmission system health.

Common Applications and Issues Addressed

• Prevents transmission overheating during extended driving or heavy loads
• Reduces risk of transmission fluid breakdown caused by excessive heat
• Helps maintain consistent transmission performance and longevity
• Addresses leaks or damage in the original transmission oil cooler
• Supports proper fluid circulation to avoid transmission slippage or failure

Installation Notes and Tips

• Compatible specifically with Lexus RX300 models; verify fitment before installation
• Use the included hardware to ensure secure mounting and proper hose connections
• Inspect transmission fluid condition and replace if necessary during installation
• Ensure hose barb fittings are tightly secured to prevent leaks
• Follow vehicle manufacturer torque specifications for mounting bolts

Quality Assurance and Warranty

Dorman provides this automatic transmission oil cooler as a standard replacement part, manufactured to meet OEM specifications for fit and function. The aluminum material and black finish contribute to corrosion resistance and durability. Installation hardware is included to facilitate proper setup. Warranty coverage details should be confirmed with the point of purchase or Dorman directly, ensuring confidence in product reliability for Lexus RX300 transmission maintenance.