Upgrade your Kenworth battery box with Energy Suspension Kenworth Battery Box Bushings. Constructed of Hyper-Flex Polyurethane, these bushings are available in red or graphite and are impervious to road salt, petroleum products, smog, ozone, and road contaminants. With a 1 1/2 inch diameter, 3/4 inch height, and 3/8 inch hole diameter, these bushings come in a pair and replace Kenworth OEM Number K4023KW, Euclid OEM Number E-7458, Severson OEM Number A70BL1120. Improve the durability and longevity of your battery box with these reliable and practical bushings.