The Brush Research Manufacturing Specialty Automotive and Diesel Brushes Line includes brushes for Cummins Group, Detroit Diesel, Caterpillar, and International Harvester. These diesel brushes are designed to ensure an improved rebuild with minimal labor. These brushes can remove rust, carbon deposits, and dirt. They are designed for efficient, thorough cleaning. The specialty brushes are designed for injector, copper cleaning, seat cleaning, injector cup, and plunger bore applications. Surfaces are cleaned and polished to ensure improved seating and sealing.