A36684-5-489 Gearset | Meritor-Rockwell-AxleTech | SSHR | New | Replaced by A40176-9

A36684-5-489 | Meritor-Rockwell-AxleTech R-155 Gearset | 4.89 Ratio (44/9) | New Genuine (NOS)

New genuine Meritor-Rockwell-AxleTech ring & pinion gearset A36684-5-489 for R-155 axle applications. 4.89 ratio (44/9 tooth count). New Old Stock (NOS) – unused and in excellent condition. Superseded by A40176-9. In stock and ready to ship from Discount Parts Exchange (DPX), Mansfield, Ohio.

Call for pricing & availability: 419-522-3320.

Specs & Features

• Part Number: A36684-5-489
• Manufacturer: Meritor-Rockwell-AxleTech
• Type: Ring & Pinion Gearset
• Gear Ratio: 4.89
• Tooth Count: 44 ring / 9 pinion
• Ring Gear: 36684
• Pinion: 38237
• Superseded By: A40176-9
• Condition: New Genuine (NOS)
• Application: Meritor-Rockwell-AxleTech R-155 differentials

What’s Included

• (1) Ring Gear — 36684
• (1) Pinion — 38237
• No hardware or pinion nut included

Fitment Notes

• Compatible with Meritor-Rockwell-AxleTech R-155 axle configurations
• Verify ratio (4.89) and tooth count before installation
• Superseded by A40176-9 — confirm current part number with your BOM

DPX Drivetrain Tools Hub

Free tools built by rebuilders for truckers and fleets — Road Speed & Ratio Calculator, PTO shimming procedures, gear ratio comparison charts, and our full IPL library.
Open DPX Drivetrain Tools Hub →

Image Disclaimer

Photos show the actual part in inventory. Minor storage marks possible on surplus/NOS items.

Warranty Policy

Sold as-is; no warranty or returns. Please verify fitment before purchasing.

Shipping / Location

• Ships from our Mansfield, Ohio warehouse (419-522-3320)
• Parcel or LTL options available based on packaging and weight
• Warehouse Bin Location: DPX_OH_BR549_MRA

Ohio’s Premier Heavy-Duty Drivetrain Rebuilder — Built to Perform. Trusted to Last. Discount Parts Exchange (DPX).