Collection: All Gearing | Dana Spicer, Meritor, Rockwell, Eaton | NOS & OEM Heavy-Duty Gears
All Gearing – Heavy-Duty Differential & Transmission Gears
Shop a massive selection of heavy-duty ring & pinion gearsets, axle gears, side gears, spider gears, and transmission gears. We stock New Genuine, New Old Stock (NOS), and quality take-out gearing from Dana Spicer, Meritor, Rockwell, AxleTech, Eaton Fuller, and more.
Whether you need to rebuild a differential, change gear ratio for better pulling power or fuel economy, or replace worn transmission gears, Discount Parts Exchange has the right gearing in stock and ready to ship from Mansfield, Ohio.
Why Shop DPX Gearing?
- Hard-to-Find NOS & Genuine OEM Parts — Many no longer available from dealers
- Popular Applications — Dana S135, S150, DS/RS series, Meritor 140/145/160 series, Eaton Fuller transmissions, and more
- Expert Support — Not sure what ratio or part you need? Send us your axle tag or BOM number — we’ll help you get the right gearset fast
Call our drivetrain specialists at 419-522-3320 for compatibility help and availability.
DPX Drivetrain Tools Hub
Free tools built by rebuilders for truckers and fleets — Road Speed & Ratio Calculator, gear ratio comparison charts, and full IPL library.
Open DPX Drivetrain Tools Hub →
Heavy-Duty Solutions — Built to Perform. Trusted to Last. Discount Parts Exchange (DPX) — Since 1997.
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Vendor:Meritor2234G267 Axle Gear | Meritor-Rockwell-AxleTech | New, Genuine
2234G267 | Meritor Rockwell AxleTech Axle Side Gear | 1.875" - 20 Spline | New Genuine (NOS) New...Regular price $68.47 USDSale price $68.47 USD Regular priceUnit price per$94.74 USDSold out Sale -
Vendor:Meritor2234E629 Meritor-Rockwell-AxleTech 24 Spline Axle Gears | Genuine OEM
2234E629 | Meritor-Rockwell-AxleTech 24 Spline Axle Gear | R170 | New Genuine (NOS) New genuine Meritor-Rockwell-AxleTech 24-spline axle...Regular price $274.47 USDSale price $274.47 USD Regular priceUnit price per -
Vendor:Meritor2234B470 Meritor-Rockwell-Axletech 20 Spline Axle Gears | Genuine OEM Hi-Trac
2234B470 | Meritor-Rockwell-AxleTech 20 Spline Axle Gear | Hi-Trac | New Genuine (NOS) New Genuine Meritor / Rockwell...Regular price $247.74 USDSale price $247.74 USD Regular priceUnit price per -
Vendor:Meritor2234A469 Meritor-Rockwell-Axletech 22 Spline Axle Gears | Genuine OEM
2234A469 | Meritor-Rockwell-AxleTech 22 Spline Axle Gear | New Genuine (NOS) New genuine Meritor-Rockwell-AxleTech 22-spline axle gear 2234A469....Regular price $247.74 USDSale price $247.74 USD Regular priceUnit price per -
Vendor:Meritor2233V464 Meritor-Rockwell-AxleTech Pinion Gears | Genuine OEM
2233V464 | Meritor-Rockwell-AxleTech Differential Pinion Gear | New Genuine (NOS) New genuine Meritor / Rockwell / AxleTech differential...Regular price $247.74 USDSale price $247.74 USD Regular priceUnit price per -
Vendor:Meritor2233F448 Pinion Gears | Meritor-Rockwell-Axletech | Genuine OEM
2233F448 | Meritor-Rockwell-AxleTech Differential Pinion Gear | New Genuine (NOS) New genuine Meritor-Rockwell-AxleTech differential pinion gear 2233F448. New...Regular price $274.74 USDSale price $274.74 USD Regular priceUnit price per -
Vendor:Meritor2233B470 Meritor-Rockwell-AxleTech Pinion Gears | Genuine OEM
2233B470 | Meritor-Rockwell-AxleTech Differential Pinion Gear | New Genuine (NOS) New genuine Meritor / Rockwell / AxleTech differential...Regular price $147.74 USDSale price $147.74 USD Regular priceUnit price per -
Vendor:Eaton-Fuller21767 | Eaton Fuller 90° Shift Lever | 33" OAL Straight | New Genuine OEM (NOS)
21767 | Eaton Fuller Roadranger 90° Straight Shift Lever | 33" OAL | New Genuine NOS The 21767...Regular price $324.44 USDSale price $324.44 USD Regular priceUnit price per$589.61 USDSale -
Vendor:Eaton / Dana Heavy Axle212901 Gearset | Dana Spicer Eaton DS402, 3.08 Ratio – Used Genuine
212901 | Eaton / Dana-Spicer DS402 Gear Set | 3.08 Ratio | Used Genuine Used genuine Eaton /...Regular price $1,147.74 USDSale price $1,147.74 USD Regular priceUnit price per -
Vendor:Eaton / Dana Heavy Axle212890 | Eaton / Dana Gear Set DS461-R | 6.50 | DS/DD461 | New Take-Off | Genuine
212890 | Eaton / Dana DS461-R / DD461 Gear Set | 6.50 Ratio | New Genuine Take-Off New...Regular price $747.74 USDSale price $747.74 USD Regular priceUnit price per$1,547.74 USDSale -
Vendor:Eaton / Dana Heavy Axle208523R5 Flange Half | International RA474, RA57, Dana-Spicer W230 | 3.73–4.44 Ratio | OEM
208523R5 | International RA474 / RA57 / Dana-Spicer W230 Flange Half | 3.73–4.44 Ratio | New Surplus NOS...Regular price $124.74 USDSale price $124.74 USD Regular priceUnit price per -
Vendor:Eaton-Fuller14367 Eaton Fuller A3071 Auxiliary Mainshaft Bearing Set | NTN & Timken Cross | New OEM
14367 | Eaton Fuller Roadranger Auxiliary Mainshaft Bearing Set | New OEM Genuine (A3071 Cross) New Genuine Eaton...Regular price $124.74 USDSale price $124.74 USD Regular priceUnit price per
Your #1 Source for Remanufactured Transmissions, Differentials, Transfer Cases & PTOs — Since 1997
Trusted by Fleets & Technicians for Over 25 Years
Discount Parts Exchange delivers quality, reliability, and value in every drivetrain component. Backed by decades of hands-on experience, our heavy-duty solutions are built to keep your truck running.