The Meritor A39742-1 or A397421 is a genuine OEM differential gear set designed for drive axle service applications. Sourced directly from Meritor, this gear set is the correct service replacement for rebuilding or repairing the differential assembly in applicable heavy-duty axle configurations. Cross-references include interchange numbers 1694470C91, 8235A397421, 9631A397421, ATIA397421, E7HZ4209AC, and TDAA397421, making it a verified fit across multiple fleet and OEM part numbering systems. A genuine Meritor part sold by Pro Gear and Transmission. Call us to confirm proper fit for your axle application before ordering.
Features
Genuine OEM Meritor differential gear set
Part number A39742-1 or A397421
Drive axle service application
Cross-references: 1694470C91, 8235A397421, 9631A397421, ATIA397421, E7HZ4209AC, TDAA397421
Sold by Pro Gear and Transmission
Used in these Meritor model
