Mishimoto 15-16 GM 6.6L Duramax (LML) Transmission Cooler - Silver
Mishimoto 15-16 GM 6.6L Duramax (LML) Transmission Cooler - Silver
Hurry up, only 5 items left in stock.
Couldn't load pickup availability
Mishimoto 15-16 GM 6.6L Duramax (LML) Transmission Cooler - Silver
Protecting your transmission from heat is crucial, especially for your 2015-2016 Chevy/GMC 6.6L LML Duramax. Whether you're towing heavy loads, managing a fleet, or enjoying a day at the drag strip, the right cooling system is essential for optimal performance.
The Mishimoto Transmission Cooler is designed to meet these demands with its innovative features:
- Stacked-Plate Design: Ensures maximum durability and efficient heat dissipation.
- Larger Core Size: Offers a 67% greater core volume than the stock cooler, ensuring improved cooling performance.
- Enhanced Fin Surface Area: With 164% greater fin surface area compared to the original, it promotes superior airflow.
- CNC-Machined Adapters: Connect seamlessly to the stock transmission cooler lines for a leak-free experience.
- Easy Installation: Comes with direct-fit brackets and tailor-made hoses, making setup straightforward.
With the Mishimoto Transmission Cooler, you can drive with confidence knowing that your transmission is protected from overheating. Plus, like all Mishimoto products, this cooler is backed by a Lifetime Warranty with Accident Protection, giving you peace of mind for as long as you own it.
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

