The Energy Suspension Kenworth Battery Box Washers are a practical and reliable solution for your battery box needs. Constructed of Hyper-Flex Polyurethane, these washers are impervious to road salt, petroleum products, smog, ozone, and road contaminants. With a 1 1/2 inch diameter, 3/16th inch height, and 3/8 inch hole diameter, they are designed to fit perfectly. Available in red or graphite (black), these washers are a durable replacement for Kenworth OEM Number K366-474, Euclid OEM Number E-7459, and Severson OEM Number A75BK1089. Upgrade your battery box with these high-quality washers.