Automatic Transmission Oil Cooler Hose Assembly

Dorman 724-227 is an automatic transmission oil cooler hose assembly built to match the fit and function of the original line on specified vehicles. It is a molded replacement for leaking or damaged transmission cooler hoses on 2018 Ram 2500 and 2018 Ram 3500 models with inlet and outlet connections.

• Direct replacement for the original automatic transmission oil cooler hose assembly
• Fits 2018 Ram 2500, inlet and outlet
• Fits 2018 Ram 3500, inlet and outlet
• Molded hose assembly with black/gray hose and housing finish
• 2 male quick disconnects on one end and 2 female quick disconnects on the other
• 48-inch length with 0.491-inch inside diameter at both ends
• Rated for 250 maximum working pressure
• Operating temperature range: -40F to 329F
• Flexible construction with fittings included

Detailed Product Overview

This Dorman transmission cooler hose assembly is engineered from durable rubber and metal components to replace a damaged or leaking factory line while maintaining the original routing and connection style. Part number 724-227 is designed for the transmission oil cooler circuit on 2018 Ram 2500 and Ram 3500 trucks, where secure quick-disconnect connections and molded hose shape help preserve proper fluid transfer. If you are searching for a 2018 Ram 2500 transmission oil cooler hose assembly or a 2018 Ram 3500 transmission cooler line replacement, 724-227 provides the specified OE-style fitment.

This part cross-references Mopar (e.g., 68184916AI, 68184916AK) for the same application.

Common Problems This Part Can Address

• Transmission fluid leaking from a cracked or worn cooler hose
• Damaged quick-disconnect ends that no longer seal properly
• Restricted fluid flow caused by a deteriorated line assembly
• Improper routing from a bent, collapsed, or broken hose
• Service replacement for a transmission cooler line on Ram 2500 or Ram 3500 trucks

Installation Notes and Tips

Verify the vehicle application before installation and confirm the inlet and outlet connection style matches the original line. Inspect the mating ports and surrounding cooler components for wear, contamination, or damage before connecting the new assembly. Because gasket or seal information is not listed, reuse or replacement of any separate sealing components should be confirmed against the vehicle service procedure.

Quality Assurance

Dorman designs this hose assembly as a fit-and-function replacement for the original transmission cooler line on the listed Ram applications. The assembly uses durable materials and is specified for a wide operating temperature range and 250 maximum working pressure.