PPE Performance Transmission Cooler for 01-10 Duramax LB7/LLY/LBZ/LMM

You must select your truck's model year from the options below.

Keep your transmission cool with PPE's performance transmission cooler. Lower your transmission operating temperature with this bolt on replacement. 60% increase in heat rejection surface lowers temperatures 20-30 degrees. This easy installation only takes about 30 minutes.