Collection: Eaton & Dana Spicer Differential and Axle Parts | NOS OEM Parts
Eaton & Dana Spicer Differential and Axle Parts | NOS & OEM Gears
High-quality Dana Spicer and Eaton differential ring & pinion gearsets, axle gears, and related drivetrain components. We carry New Genuine, New Old Stock (NOS), and verified take-out parts for popular heavy-duty axles including S135, S150, G360CA, DS/RS series, and more.
Whether you need better highway fuel economy, stronger pulling power, or a reliable rebuild, we have the right gear ratio in stock and ready to ship from Mansfield, Ohio.
Call 419-522-3320 for expert help matching the correct ratio to your engine, transmission, and tire setup.
What We Stock
- Dana Spicer Ring & Pinion Gearsets — New Genuine and NOS for S135, S150, G360CA and other popular models
- Eaton Differential Gears — Side gears, spider gears, and full nest kits
- Popular Ratios — From fuel-efficient highway gears to deep reduction off-road and vocational ratios
- Condition Options — New OEM, NOS, and inspected take-out gearing
Why Buy From DPX
- Expert Ratio & Fitment Assistance — We help you choose the right gear for your specific application
- Quality Inspected Parts — Teeth, backlash, and patterns checked before shipping
- Fast Shipping — Parcel or LTL from our Ohio warehouse. International shipping available
- Hard-to-Find NOS Inventory — Many parts no longer available from dealers
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 for instant parts identification.
Open DPX Drivetrain Tools Hub →
Common Applications
Line-haul, vocational, construction, municipal, utility fleets, and heavy equipment doing differential rebuilds, ratio changes, or full drivetrain refreshes.
Need help finding the right gearset? Send us your axle tag, BOM number, or current ratio — we’ll verify compatibility fast. Call 419-522-3320.
Heavy-Duty Solutions — Built to Perform. Trusted to Last.
Discount Parts Exchange (DPX) — Since 1997.
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Vendor:Meritor28628-1X Gearset | Genuine Dana D28628X | Meritor Rockwell AxleTech | 9/41 | R4.56
28628X | Dana Spicer, Rockwell Meritor AxleTech Gearset | 4.56 Ratio | New Genuine Off-Highway The 28628X /...Regular price $774.47 USDSale price $774.47 USD Regular priceUnit price per -
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 / 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 3.70 Gearset | RC461 / RC521 / RC581 | New Take-Off Genuine...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 -
Vendor:Eaton / Dana Heavy Axle122045 Gearset | Dana Spicer Eaton RT461, 4.11/5.61 Ratio – New (NOS) Genuine
122045 | Eaton / Dana Spicer Gearset | RT461 / RC521 / RC581 / 23080T / 23080P /...Regular price $1,547.44 USDSale price $1,547.44 USD Regular priceUnit price per$1,974.47 USDSale -
Vendor:Eaton / Dana Heavy Axle121748 | Eaton Dana-Spicer 19050T Nest Kit w/ 126000 36 Spline A-Gears | New OEM
121748 | Eaton / Dana Spicer 19050T/P Axle Nest Kit | 36 Spline | New Genuine (NOS) New...Regular price $247.74 USDSale price $247.74 USD Regular priceUnit price per$538.87 USDSale -
Vendor:Eaton / Dana Heavy Axle119352 Gearset | Dana Eaton DS480P, 5.43 Ratio – Used Genuine Eaton
119352 | Eaton / Dana Spicer Gearset | DS480P | 5.43 Ratio | Used Genuine Used genuine Eaton...Regular price $1,174.47 USDSale price $1,174.47 USD Regular priceUnit price per -
Vendor:Eaton / Dana Heavy Axle113595 | Eaton Dana-Spicer Sun Gear for 26321 / 35327 | New Genuine
113595 | Eaton / Dana Spicer Sun Gear (2-Speed) | DT480P / 23221 / 23321 / 26321 /...Regular price $267.47 USDSale price $267.47 USD Regular priceUnit price per$335.46 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.