The Meritor Spacer, part number E9379, is a genuine OEM replacement spacer designed for heavy-duty truck brake system applications. This spacer maintains proper component positioning and clearance within the brake assembly. If you are unsure whether E9379 fits your specific axle or brake configuration, call Pro Gear and Transmission and we will help you verify the correct application before ordering.FeaturesGenuine Meritor OEM part number E9379Designed for heavy-duty truck brake system applicationsMaintains correct component spacing and clearance in the brake assemblySold by Pro Gear and TransmissionCall us to confirm fitment for your specific axle or brake configuration