The return hose carries fluid from the steering gear back through the cooler on heavy trucks that work hard enough to need one. Return lines see high temperature at low pressure, and the failure is almost always the hose hardening and cracking at a fitting rather than bursting in the middle of a run.

Mopar Accessories 68143652AC Power Steering Return Hose, Gear to Cooler, Features:

• Fits select Ram 4500 and 5500 trucks with the 6.7L diesel.
• Return line from the steering gear to the cooler.
• Pre-formed to the factory routing with the correct end fittings.
• Genuine Mopar hose. Bleed the steering system fully after installation.