Mopar 55057089AB Radiator

Mopar Radiator for Ram Diesel Cooling

This Mopar radiator, part number 55057089AB, is an OE replacement for diesel engine cooling on select Ram heavy-duty trucks. It supports direct-fit service for 2010-2012 Ram 3500 and 2011-2012 Ram 2500 and Ram 3500 diesel applications.

Key Features

• Genuine Mopar radiator for engine cooling service
• Fits 2011-2012 Ram 2500, N/A
• Fits 2011-2012 Ram 3500, N/A
• Fits 2010 Dodge Ram 3500, N/A
• Supersedes part number 55057089AA
• OE-style replacement for diesel cooling system repair

Detailed Description

Part number 55057089AB is a Mopar radiator built for diesel engine cooling in Ram heavy-duty trucks. It is listed for 2011-2012 Ram 2500, 2011-2012 Ram 3500, and 2010 Dodge Ram 3500 applications, making it a direct reference for buyers searching for a Ram 2500 radiator, Ram 3500 radiator, or Mopar 55057089AB replacement. This radiator supersedes 55057089AA and is intended for vehicles equipped with diesel engines.

What It Helps Address

• Overheating caused by a failing radiator core
• Coolant loss from radiator leaks or cracks
• Reduced cooling performance under diesel engine load
• Temperature instability during towing or heavy-duty use
• Replacement needs after corrosion or internal blockage

Installation Notes and Tips

Verify the vehicle’s year, make, model, and diesel engine configuration before ordering. Compare the original radiator and part number 55057089AB to confirm the correct replacement for your Ram 2500 or Ram 3500. Inspect hoses, clamps, and coolant condition during installation to complete the cooling system service properly.

Quality Assurance

Mopar OE replacement parts are built to match factory application requirements for listed vehicles. This radiator is identified as a superseding replacement for 55057089AA.