Description
The Mishimoto Replacement Transmission Oil Cooler for 2003-2007 Dodge Ram 5.9L Cummins engines is an essential upgrade designed to maintain optimal transmission performance. This liquid-to-liquid cooling unit utilizes the vehicle’s existing cooling system to effectively regulate transmission fluid temperature, ensuring reliable operation in various driving conditions. Constructed from durable, corrosion-resistant aluminum, this cooler provides a long-lasting solution that withstands the rigors of heavy-duty use. It features a powder-coated bracket and brass fittings for straightforward installation, making it a seamless OEM replacement that requires no modifications. By proactively replacing your transmission cooler, you can prevent coolant leaks into the transmission fluid, which could otherwise lead to catastrophic transmission failure and costly repairs. Ensuring your transmission remains properly cooled extends its lifespan and maintains optimal vehicle performance. This replacement part is engineered to meet or exceed OEM specifications, guaranteeing a perfect fit and reliable function. Backed by Mishimoto’s signature lifetime warranty, it offers peace of mind along with high-quality performance. Suitable for various Dodge Ram models from 2003 to 2007, this cooler is an ideal choice for owners seeking to preserve their vehicle’s transmission health and avoid preventable failures.
Features:
- Includes new powder-coated bracket and brass fittings for easy installation
- Equivalent to OEM specifications for fit and function
- Durable, corrosion-resistant aluminum construction
Fitment:
Dodge Ram 1500 Laramie 2003
Dodge Ram 1500 SLT 2003
Dodge Ram 1500 ST 2003
Dodge Ram 2500 Laramie 2003
Dodge Ram 2500 Laramie 2005
Dodge Ram 2500 Laramie 2006
Dodge Ram 2500 Laramie 2007
Dodge Ram 2500 SLT 2003
Dodge Ram 2500 SLT 2004
Dodge Ram 2500 SLT 2005
Dodge Ram 2500 SLT 2006
Dodge Ram 2500 SLT 2007
Dodge Ram 2500 Sport 2006
Dodge Ram 2500 Sport 2007
Dodge Ram 2500 ST 2003
Dodge Ram 2500 ST 2004
Dodge Ram 2500 ST 2005
Dodge Ram 2500 ST 2006
Dodge Ram 2500 ST 2007
Dodge Ram 2500 TRX4 2006
Dodge Ram 2500 TRX4 2007
Dodge Ram 3500 Laramie 2003
Dodge Ram 3500 Laramie 2004
Dodge Ram 3500 Laramie 2005
Dodge Ram 3500 Laramie 2006
Dodge Ram 3500 Laramie 2007
Dodge Ram 3500 SLT 2003
Dodge Ram 3500 SLT 2004
Dodge Ram 3500 SLT 2005
Dodge Ram 3500 SLT 2006
Dodge Ram 3500 SLT 2007
Dodge Ram 3500 Sport 2006
Dodge Ram 3500 Sport 2007
Dodge Ram 3500 ST 2003
Dodge Ram 3500 ST 2004
Dodge Ram 3500 ST 2005
Dodge Ram 3500 ST 2006
Dodge Ram 3500 ST 2007
Dodge Ram 3500 TRX4 2007




















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