The Energy Suspension Mack Trunnion Bushing is a reliable and practical solution for your Mack truck. Constructed of Hyper-Flex Polyurethane, this bushing offers durability and longevity. With a length of 5-9/16 inches, it is designed to fit perfectly. You can choose from either red or graphite (black) options. This bushing is impervious to road salt, petroleum products, smog, ozone, and road contaminants, ensuring its performance in various conditions. It replaces the Mack OEM Part Number 10QK219P1 and is sold individually. Trust this Energy Suspension bushing to provide the stability and reliability your truck needs.