The Meritor brake booster R43MDC4007X is a genuine OEM replacement unit for heavy-duty truck braking systems. This part is sold by Pro Gear and Transmission as a direct Meritor component. The brake booster assists in amplifying pedal input to the hydraulic or air brake system, helping maintain consistent brake actuation force. If you are cross-referencing a Rockwell-era part number, Meritor acquired Rockwell's commercial vehicle division, and this part falls under the current Meritor line. Limited specification data is available for this listing. Call us to confirm compatibility with your specific truck or axle configuration before ordering.
Features
Genuine Meritor OEM brake booster
Part number: R43MDC4007X
Designed for heavy-duty truck brake system applications
Meritor successor to Rockwell commercial vehicle brake components
Call Pro Gear and Transmission to verify fitment for your specific application
