The Meritor 3278K1207 is a Spider IAD Pump, a genuine Meritor inter-axle differential (IAD) component. The IAD spider and pump assembly plays a critical role in the inter-axle differential, distributing torque between tandem drive axles and supporting lubrication within the differential assembly. This part is sold by Pro Gear and Transmission as a direct Meritor replacement. If you are sourcing components for a tandem axle differential rebuild or repair, call us to confirm this is the correct part for your specific axle model and configuration.
Features
Genuine Meritor part number 3278K1207
Spider IAD Pump for Meritor inter-axle differential (IAD) applications
Supports torque distribution and lubrication functions within the IAD assembly
Direct Meritor replacement component
Call Pro Gear and Transmission to confirm fitment for your specific axle model
Used in this Meritor model
