The Meritor M14403815 is a genuine Rockwell Meritor countershaft 4th gear synchronizer ring, sourced directly for Rockwell-series transmission applications. This part carries the full Rockwell Meritor part designation for the C/S 4th synchronizer position, making it the direct replacement to specify when servicing or overhauling a Rockwell transmission. Because transmission synchronizer rings are position-specific, confirming the exact transmission model and serial number before ordering is recommended. Pro Gear and Transmission stocks genuine Meritor drivetrain parts. Call us to confirm proper fit for your transmission before ordering.
Features
Genuine Rockwell Meritor part number M14403815
Countershaft (C/S) 4th gear synchronizer ring
Direct OEM replacement for Rockwell transmission synchronizer service
Position-specific fitment - verify transmission model and serial number before ordering
Sold by Pro Gear and Transmission as a genuine Meritor component
