PDI Big Boss Performance Radiator without Surge Tank | Peterbilt 379 K-4489CL Caterpillar

Caterpillar

oil stability

The Heavy Duty Diesel ECM Tuning that we offer in a wide variety of applications is the highest horsepower and efficiency gains in the industry

performance

Available for: CAT 3406E Engines

PDI Big Boss Performance Radiator without Surge Tank | Peterbilt 379 K-4489CL CaterpillarPDI Big Boss performance radiators for Peterbilt 379 models feature a dimpled tube design to allow coolant more time to cool properly for more demanding applications. When combined with higher fin count and more efficient cores, PDI radiators increase cooling capacity 15 20% over OEM. Size and Fitment is direct replacement for simple installation.