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and W900B models
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Our brand new Mirror Turn Signal is designed using a Stainless Steel bracket
Big Boss Performance Radiator | Peterbilt 389 ISX15 Tuner and W900B modelsBig Boss performance radiators for Peterbilt 389 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. Constructed of quality aluminum cores with plastic tanks to ensure no tank corrosion and efficient cooling