A40306-1-683 Gearset | Meritor Rockwell AxleTech SSHD 41-6 | Genuine OEM

A40306-1-683 Gearset | Rockwell SSHD-R 6.83 | 41/6 Ratio | New Genuine

Product Summary:
A40306-1-683 is a new genuine OEM Rockwell gearset, designed for SSHD-R forward rear axle models with a 6.83 gear ratio. Ideal for heavy-duty drivetrain performance in severe-duty applications.

Specs & Features:
• Part Number: A40306-1-683
• Brand: Rockwell (OEM)
• Condition: New Genuine
• Application: SSHD-R Forward Rear
• Gear Ratio: 6.83
• Tooth Count: 41 / 6
• Spline Size: 2.620″ – 26 Spline
• Type: Ring & Pinion Set
• Alternate Number: A40306

Compatible Axle Models:
• SSHD-R 6.83 (Forward Rear)

What’s Included:
• (1) Ring Gear – 40306
• (1) Pinion – 41059

Fitment Notes:
• Gearset only — no hardware or pinion nut included
• Verify axle model and spline before purchase

Image Disclaimer:
Photos may show actual item or representative example. Some items may have minor cosmetic marks from storage or handling.

Warranty Policy:
Sold as new genuine OEM part. No additional warranty offered. Professional installation is recommended.

Location:
Ships from our warehouse in Ohio.
Heavy-Duty Solutions — Built to Perform. Trusted to Last.