Sold as a 4-piece pack, these 12-point screws fit Mack CXN model applications and CRD151 rear differential assemblies, built as a replacement for the factory hardware. The pack covers the full set of fasteners needed for the differential assembly, making it a straightforward option for hardware work on these units.
Interchanges:
- Mack 21322639
- Mack 551KC220
This unit is sold in packs of 4.
Features
12-point head screw design
Sold as a 4-piece pack
Fits Mack CXN model applications
Fits Mack CRD151 rear differential assembly
Differential part
Tech Specs
- Head style: 12-Point
- Pack quantity: 4 pieces
Used in these Mack models
