2234J478 Meritor-Rockwell-AxleTech | Axle Gear | 21 Spline | New Genuine

2234J478 | Meritor Rockwell AxleTech Axle Side Gear – 21 Spline | New Genuine (NOS)

New genuine Meritor / Rockwell / AxleTech axle side gear, part number 2234J478, with 21 spline configuration. This NOS (New Old Stock) OEM gear is precision-built for strength and reliability in heavy-duty differentials. In stock and ready to ship from Discount Parts Exchange (DPX), Mansfield, Ohio.

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

Specs & Features

• Part Number: 2234J478
• Manufacturer: Meritor / Rockwell / AxleTech
• Type: Axle Side Gear
• Spline Count: 21
• Interchange: 2234J478RI, 3949832, 82352234J478, ATI2234J478, TDA2234J478
• Condition: New Genuine (NOS)
• Application: L172, H172, P174 differentials and compatible Meritor / Rockwell axles

What’s Included

• (1) 21-Spline Axle Side Gear – 2234J478

Fitment Notes

• Compatible with select Meritor, Rockwell, and AxleTech differentials using 21-spline side gears
• Commonly used in L172, H172, and P174 differential assemblies
• Always verify your axle model, differential series, and spline count before ordering

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Image Disclaimer

Photos show the actual New Genuine (NOS) part in inventory. Minor storage marks possible.

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).