Western Star Bumper Guides
| Part # | Model | Year | Bumper | Mount Bracket |
| 848-211 | Constellation 4800/4900 Series | All | Steel | Clamp On |
| 848-221 | Constellation 5900/5800 Series | All | Steel/Composite | Drill |
| 848-211 | Heritage 4800/4900 Series | All | Steel | Clamp On |
*NOTE: Always look up Model/Year on www.boresmfg.com for part number updates