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: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 212890...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) The 14367 is...Regular price $124.74 USDSale price $124.74 USD Regular priceUnit price per -
Vendor:SISU143-240-3311 | SISU Axle FRMP-13/16-S | 4.68 Ratio | New Genuine Marmon-Herrington
143-240-3311 | SISU FRMP-13/16-S Ring & Pinion Gear Set (4.68 Ratio) — New Genuine Marmon-Herrington The 143-240-3311 is...Regular price $3,574.47 USDSale price $3,574.47 USD Regular priceUnit price per$4,874.47 USDSale -
Vendor:Eaton / Dana Heavy Axle129969 | Dana Spicer Power Divider Cover | DS461 DS462 DS463 | Non-Pump | New Genuine
129969 | Eaton / Dana Spicer Power Divider Cover | DS461 / DS462 / DS463 | Non-Pump |...Regular price $347.74 USDSale price $347.74 USD Regular priceUnit price per$1,102.65 USDSale -
Vendor:Eaton / Dana Heavy Axle123269 Gearset | Eaton | Dana Spicer | RC461, 3.70 Ratio | New Take-Off Genuine
123269 | Eaton / Dana Spicer Gearset | RC461 / RC521 / RC581 | 3.70 Ratio | New...Regular price $1,524.74 USDSale price $1,524.74 USD Regular priceUnit price per$2,177.74 USDSale -
Vendor:Eaton / Dana Heavy Axle122351 | Eaton Dana Gear Set | 15040S R-4.63 | 37/8 Tooth | Used
122351 | Eaton / Dana Spicer Gear Set | 15040S R-4.63 | 37/8 Tooth | Used Genuine Used...Regular price $974.44 USDSale price $974.44 USD Regular priceUnit price per$1,247.74 USDSale -
Vendor:Eaton / Dana Heavy Axle122146 Gearset | Dana Eaton 21065T, 2SPD, 4.63/6.31 Ratio – New (NOS) Genuine
122146 | Eaton / Dana Spicer Gearset | 21065T / 2-Speed | 4.63 / 6.31 Ratio | New...Regular price $1,974.47 USDSale price $1,974.47 USD Regular priceUnit price per$2,982.91 USDSale
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.