Dorman 918-213 Automatic Transmission Oil Cooler

Overview of Dorman 918-213 Automatic Transmission Oil Cooler

The Dorman 918-213 automatic transmission oil cooler is designed to provide reliable cooling performance for select Cadillac, Chevrolet, and GMC trucks and SUVs. Engineered with durable aluminum construction and a black finish, this transmission cooler helps maintain optimal transmission fluid temperature under demanding driving conditions.

• Constructed from corrosion-resistant aluminum with a black finish
• Core features 10 rows for efficient heat dissipation
• Compact dimensions: 11.1 inches wide, 4.6 inches high, and 0.9 inches deep
• Inlet and outlet diameters both measure 18.375 mm with hose barb attachment
• Standard replacement grade, no installation hardware required

Detailed Product Description

The Dorman 918-213 transmission oil cooler is specifically designed to fit a range of Cadillac, Chevrolet, and GMC models including the Avalanche 1500 and 2500, Escalade and Escalade ESV, Sierra 1500 through 3500 HD variants, Silverado 1500 through 3500 HD models, Suburban 1500 and 2500, Tahoe, Yukon, and Yukon XL series. Its 10-row aluminum core provides effective cooling by increasing surface area for heat exchange, helping to prevent transmission overheating during heavy towing or extended driving. The hose barb inlet and outlet fittings simplify connection to existing transmission fluid lines without the need for additional hardware.

Common Applications and Issues Addressed

• Prevents transmission fluid overheating in heavy-duty trucks and SUVs
• Reduces risk of transmission failure due to excessive heat
• Maintains consistent transmission performance under load
• Replaces worn or damaged transmission coolers in Cadillac, Chevrolet, and GMC vehicles
• Supports extended transmission life by improving fluid temperature regulation

Installation Notes and Tips

This transmission oil cooler is designed as a direct replacement and does not require additional installation hardware. Ensure that the hose barb fittings are securely connected to the transmission fluid lines to prevent leaks. It is recommended to inspect and clean the surrounding area before installation to avoid contamination. Properly route transmission lines to avoid kinks or sharp bends that could restrict fluid flow.

Quality Assurance and Warranty

Dorman manufactures the 918-213 transmission oil cooler to meet standard replacement quality requirements. The aluminum construction offers corrosion resistance and durability for long-term use. While installation hardware is not included or required, the product is engineered for straightforward installation. Warranty coverage details should be confirmed with the distributor or retailer at the time of purchase.