
Protect Your 2003-2007 Dodge Ram 5.9L Diesel with the Mishimoto Replacement Transmission Cooler
The factory transmission cooler in your 5.9L Cummins is prone to failure, leading to coolant contamination and costly transmission repairs. The Mishimoto Replacement Transmission Cooler offers a reliable and durable solution to this common problem.
Key Benefits:
- Prevents Costly Repairs: Avoids the devastating consequences of coolant mixing with transmission fluid, potentially saving you thousands in repair costs.
- Direct Fit Installation: Designed for a seamless installation process, utilizing all factory lines and hardware for a hassle-free upgrade.
- Premium Quality Construction: Engineered with corrosion-resistant aluminum construction, ensuring long-lasting durability and optimal performance.
- OEM-Equivalent Quality: Manufactured to meet or exceed original equipment manufacturer specifications for reliable and effective cooling.
- Mishimoto Lifetime Warranty: Provides peace of mind with our industry-leading warranty covering this product for life.
Protect your transmission and prevent costly repairs with the Mishimoto Replacement Transmission Cooler.

Protect Your 2003-2007 Dodge Ram 5.9L Diesel with the Mishimoto Replacement Transmission Cooler
The factory transmission cooler in your 5.9L Cummins is prone to failure, leading to coolant contamination and costly transmission repairs. The Mishimoto Replacement Transmission Cooler offers a reliable and durable solution to this common problem.
Key Benefits:
Prevents Costly Repairs: Avoids the devastating consequences of coolant mixing with transmission fluid, potentially saving you thousands in repair costs.
Direct Fit Installation: Designed for a seamless installation process, utilizing all factory lines and hardware for a hassle-free upgrade.
Premium Quality Construction: Engineered with corrosion-resistant aluminum construction, ensuring long-lasting durability and optimal performance.
OEM-Equivalent Quality: Manufactured to meet or exceed original equipment manufacturer specifications for reliable and effective cooling.
Mishimoto Lifetime Warranty: Provides peace of mind with our industry-leading warranty covering this product for life[...]
Protect Your 2003-2007 Dodge Ram 5.9L Diesel with the Mishimoto Replacement Transmission Cooler
The factory transmission cooler in your 5.9L Cummins is prone to failure, leading to coolant contamination and costly transmission repairs. The Mishimoto Replacement Transmission Cooler offers a reliable and durable solution to this common problem.
Key Benefits:
- Prevents Costly Repairs: Avoids the devastating consequences of coolant mixing with transmission fluid, potentially saving you thousands in repair costs.
- Direct Fit Installation: Designed for a seamless installation process, utilizing all factory lines and hardware for a hassle-free upgrade.
- Premium Quality Construction: Engineered with corrosion-resistant aluminum construction, ensuring long-lasting durability and optimal performance.
- OEM-Equivalent Quality: Manufactured to meet or exceed original equipment manufacturer specifications for reliable and effective cooling.
- Mishimoto Lifetime Warranty: Provides peace of mind with our industry-leading warranty covering this product for life.
Protect your transmission and prevent costly repairs with the Mishimoto Replacement Transmission Cooler.