A40178-1-529 Gearset – SSHD 5.29 Ratio (37-7) | Meritor Rockwell AxleTech – New Italian

A40178-1F Gearset | SSHD-F 5.29 | Global Drivetrain | 37/7 Ratio | New Aftermarket

A40178-1F is a new Italian aftermarket ring & pinion gearset from Global Drivetrain, engineered for SSHD-F forward rear axle models with a 5.29 ratio (37/7 tooth count). Built for demanding heavy-duty applications and reliable replacement service.

Specs & Features

• Part Number: A40178-1F (Alt: A40178)
• Brand: Global Drivetrain
• Country of Origin: Italy
• Condition: New Aftermarket
• Application: SSHD-F forward rear axle
• Gear Ratio: 5.29
• Tooth Count: 37 ring / 7 pinion
• Spline Size: 2.620" — 26 spline
• Type: Ring & Pinion Set

What’s Included

• 1 × Ring Gear — 40178
• 1 × Pinion — 41495
• Note: Hardware and pinion nut not included

Fitment Notes

• Designed for SSHD-F forward rear axle (5.29 ratio).
• Confirm axle model, ratio, and spline spec (2.620"–26) against your BOM/tag before install.

Image Disclaimer

Photos may show the actual product or a similar example. Minor handling marks from storage may be present.

Warranty Policy

Sold as a new aftermarket part; no manufacturer warranty. Professional installation recommended.

Location

Mansfield, Ohio — 419-522-3320

Heavy-Duty Solutions | Built to Perform. Trusted to Last.