Keystone CH4050142 Transmission Oil Cooler OEM Replacement 52014715AA 6.7L Diesel

The Keystone CH4050142 is an OEM-replacement transmission oil cooler designed for Ram 2500, 3500, 4500, and 5500 heavy-duty trucks equipped with the 6.7L Cummins diesel engine (2013–2018 model years). This unit is engineered to meet or exceed original equipment specifications, providing reliable thermal management for the automatic transmission fluid to protect the drivetrain under demanding towing and hauling conditions.

Transmission oil coolers are a critical component in heavy-duty diesel applications, preventing transmission fluid from overheating during extended towing, trailer hauling, or commercial use. A properly functioning cooler extends transmission life by maintaining optimal fluid viscosity and lubrication properties.

Key Features:

• Direct OEM replacement — matches original fit, form, and function
• Compatible with 6.7L Cummins diesel engine applications
• Engineered for Ram 2500, 3500, 4500, and 5500 platforms (2013–2018)
• Cross-references OEM part number 52014715AA
• Designed to withstand the thermal demands of heavy-duty diesel towing and commercial use
• Bolt-on installation with no modification required

This Keystone transmission oil cooler is an ideal solution for collision repair shops and service centers needing a cost-effective, quality replacement that restores the vehicle's original cooling performance.