CSF 20009 Transmission Oil Cooler for 2003-2009 Dodge Ram 2500/3500

Vehicle Fitment

• 2003-2009 Dodge Ram 2500 (5.9L I6 Cummins / 6.7L I6 Cummins) - Transmission Oil Cooler
• 2003-2009 Dodge Ram 3500 (5.9L I6 Cummins / 6.7L I6 Cummins) - Transmission Oil Cooler

Features

• Direct-fit automatic transmission oil cooler designed as a replacement for OE coolers
• Parallel flow core construction for efficient transmission fluid cooling
• Aluminum core and tubes for corrosion resistance and durability
• Standard tube inlet and outlet design for secure hose connections
• Helps maintain proper transmission fluid temperatures under load
• Sold individually - replace only the needed cooler
• Supports heavy-duty truck operation and towing conditions
• Restores proper transmission cooling performance

Specifications

• Part Number: CSF 20009
• Product Type: Automatic Transmission Oil Cooler
• Core Type: Parallel flow aluminum
• Core Length: Approx. 23"
• Core Width: Approx. 13"
• Core Thickness: Approx. 5/8"
• Inlet Tube: Tube fitting
• Outlet Tube: Tube fitting
• Sold Individually (1x transmission cooler)

Included Components

• 1x CSF 20009 Automatic Transmission Oil Cooler

Product Description

The CSF 20009 Transmission Oil Cooler is engineered as a direct-fit replacement for the factory transmission oil cooler on heavy-duty Dodge Ram 2500 and 3500 pickups from 2003 through 2009. Its parallel flow aluminum core efficiently dissipates heat from automatic transmission fluid, helping maintain proper operating temperatures under towing or heavy load conditions. Designed for straightforward installation, the tube-connection inlet and outlet match factory lines for a secure fit without modification.

This durable oil cooler supports reliable transmission cooling performance under demanding use. Whether you're replacing a failed original cooler or upgrading to better manage heat in high-stress applications, the CSF 20009 provides long service life and improved fluid temperature control to help extend the life of your transmission.