Dorman 624-743 Automatic Transmission Oil Cooler Hose Assembly - Radiator to Transmission (Upper)

Reliable Automatic Transmission Oil Cooler Hose Assembly

The Dorman 624-743 automatic transmission oil cooler hose assembly is designed to provide a durable and flexible connection for your vehicle's transmission cooling system. Engineered to meet the demands of Chevrolet Express 2500, Express 3500, GMC Savana 2500, and Savana 3500 models, this hose assembly ensures efficient fluid transfer under varying temperature and pressure conditions.

• Compatible with Chevrolet Express 2500, Express 3500, GMC Savana 2500, and Savana 3500
• 38-inch length with straight hose shape for precise fitment
• Constructed from a combination of metal and rubber for flexibility and durability
• Quick disconnect fittings on both ends for easy installation and removal
• Designed to operate between -40°F and 302°F with a maximum working pressure of 1000 psi
• Available in black and silver hose colors
• Flexible design without internal spring for smooth fluid flow

Durable Construction and Design Features

The Dorman 624-743 hose assembly combines metal and rubber materials to provide a flexible yet robust solution for automatic transmission oil cooling lines. Its 38-inch straight hose shape allows for a direct and secure connection between transmission components. The quick disconnect fittings on both ends, each with a 6 mm inside diameter, facilitate straightforward installation and maintenance without the need for specialized tools. This hose assembly is engineered to withstand a maximum working pressure of 1000 psi and temperature extremes from -40°F to 302°F, ensuring reliable performance in demanding operating environments.

Applications and Problem Solving

This transmission oil cooler hose assembly is specifically designed for use in the following vehicles:

• Chevrolet Express 2500 and Express 3500
• GMC Savana 2500 and Savana 3500

It addresses common issues such as:

• Leaking or cracked transmission cooler hoses
• Reduced transmission cooling efficiency due to damaged lines
• Difficulty in hose removal or replacement with non-quick disconnect fittings
• Hose failure caused by temperature or pressure extremes

Installation Notes and Tips

When installing the Dorman 624-743 transmission oil cooler hose assembly, ensure the quick disconnect fittings are securely engaged to prevent leaks. Verify the hose routing matches the original configuration to avoid kinks or undue stress. The flexible metal and rubber construction allows for slight adjustments during installation, but care should be taken not to exceed the hose’s bend radius. No gasket or seal is included, so inspect existing seals for wear and replace if necessary.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. While specific warranty details for part number 624-743 are not provided here, Dorman typically offers limited warranties covering defects in material and workmanship. For precise warranty information, consult the product documentation or manufacturer resources.