Four Seasons 86059 Automatic Transmission Oil Cooler Line Connector

Automatic Transmission Oil Cooler Line Connector

Four Seasons 86059 is an oil cooler accessory fitting kit for automatic transmission cooling line service. It is performance rated and built for applications that require a direct connector at the transmission oil cooler line.

Use this Four Seasons oil cooler accessory when servicing Chevrolet Silverado, GMC Sierra, Cadillac Escalade, and related GM trucks and SUVs that use an automatic transmission oil cooler line connector. The 86059 part number is also referenced in OE-style replacement searches for these applications.

Key Features

• Brand: Four Seasons Oil Cooler Acc
• Part number: 86059
• Style: fitting kit
• Type: accessories
• Performance rated for transmission cooling service
• Used as an automatic transmission oil cooler line connector

Detailed Description

Four Seasons 86059 is part of the Oil Cooler Acc product line and is focused on transmission cooler line connection service rather than general hose repair. It is a fitting kit accessory used in oil cooler line applications across a wide range of GM vehicles, including Chevrolet Silverado 1500, Silverado 2500, Tahoe, GMC Sierra 1500, Sierra 2500 HD, Cadillac Escalade, and Chevrolet Express vans. This part number, 86059, is commonly searched for GM truck and SUV oil cooler line connector replacement.

This part cross-references Dayco 86059 and Hayden 382 for the same application.

What It Is Used For

• Replacing a worn or damaged automatic transmission oil cooler line connector
• Restoring a secure connection at the transmission cooler line
• Addressing transmission fluid seepage at the cooler line fitting
• Repairing a broken or corroded oil cooler accessory connection
• Servicing GM truck, SUV, and van transmission cooling lines

Installation Notes and Tips

Verify the vehicle year, make, model, and transmission cooler line configuration before installation. Confirm the connector style against the existing fitting on the vehicle, especially on Silverado, Sierra, Tahoe, Escalade, and Express applications. Clean the mating surfaces and inspect the cooler line for wear or damage before assembly.

Quality Assurance

Four Seasons markets this part as performance rated, and the Oil Cooler Acc line is built for transmission cooling service across listed GM applications. Confirm fitment by matching the vehicle details and part number 86059 before installation.