Automatic Transmission Oil Cooler Hose Assembly

Dorman 724-221 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 direct replacement for leaking or damaged transmission cooler lines on 2006-2008 Dodge Ram 1500 applications, with molded routing and quick-disconnect ends for OE-style serviceability.

• Fits 2006-2008 Dodge Ram 1500, N/A
• OE-style replacement for automatic transmission oil cooler line service
• Molded hose assembly with rubber and steel construction
• Male quick disconnect on one end and female quick disconnect on the other
• Black and silver finish
• Maximum working pressure: 250
• Operating temperature range: -40F to 329F
• Flexible design for routing in the transmission cooling circuit

Detailed Product Overview

This Dorman transmission cooler hose assembly is engineered for the transmission fluid path between the transmission and cooler circuit, where secure sealing and stable flow are critical. The molded assembly design helps it follow the original routing on the vehicle, while the quick-disconnect ends support a direct OE-style connection. Dorman 724-221 is listed for 2006, 2007, and 2008 Dodge Ram 1500 models, and it cross-references Mopar 55056546AE for the same application.

Common Problems It Can Address

• Transmission fluid leaks from a cracked or damaged cooler line
• Restricted fluid flow caused by a deteriorated hose assembly
• Broken or worn quick-disconnect connections at the cooler line ends
• Heat-related hose failure in the transmission cooling circuit
• Service issues from an incorrect or non-matching replacement line

Installation Notes and Tips

Verify the vehicle application before installation and compare the original line routing, end style, and length to the replacement assembly. Inspect the mating transmission and cooler connections for wear or contamination before attaching the quick-disconnect fittings. After installation, check for leaks and confirm proper transmission fluid level according to the vehicle service procedure.

Quality Assurance

This replacement hose assembly is built from durable components to match original fit and function on the listed applications. Dorman 724-221 is designed as a dependable service part for transmission cooler line repair on Dodge Ram 1500 models.