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:Eaton / Dana Heavy Axle40635 | Eaton / Dana-Spicer 12V 2-Speed Diff Lock Motor | New OEM (NOS)
40635 Eaton Dana 2-Speed Motor | 12V Electric Diff Lock | 113743 | Fasco 2807-508-021 | New Genuine...Regular price $277.74 USDSale price $277.74 USD Regular priceUnit price per -
Vendor:Eaton / Dana Heavy Axle360KG110-X Gearset | Dana Spicer | S135 S150 G360CA| 6.14 Ratio | New Genuine
360KG110X | Dana Spicer Gearset S135 S150 G360CA | 6.14 Ratio | New Genuine The 360KG110X is a...Regular price $824.47 USDSale price $824.47 USD Regular priceUnit price per$974.47 USDSale -
Vendor:Dana Light DutyDana 80 Carrier Housing — No Tubes, Cover, or Internals | ~3.930" I.D. | Cross-Ref 286CC102-17X
Dana 80 Carrier Housing — Center Section Only | ~3.930" Tube I.D. | Used OEM Dana 80 center...Regular price $327.47 USDSale price $327.47 USD Regular priceUnit price perSold out -
Vendor:GM3785597 | GM H052 / HO52 Gear Set – 4.57 Ratio (1949–1972 Trucks, NOS)
3785597 | GM H052 / HO52 Gear Set | 4.57 Ratio | New Genuine (NOS) New Genuine ring...Regular price $494.74 USDSale price $494.74 USD Regular priceUnit price per$544.74 USDSold out Sale -
Vendor:Eaton / Dana Heavy Axle360KG107-X Gearset | Dana Spicer | S135 S150 G360CA | 4.44 Ratio | New Genuine
360KG107X | Dana Spicer Gearset S135 S150 G360CA | 4.44 Ratio | 1695924C91 | New Genuine The 360KG107X...Regular price $1,074.74 USDSale price $1,074.74 USD Regular priceUnit price per$1,347.74 USDSale -
Vendor:Eaton / Dana Heavy Axle360KG105-X Gearset | Dana Spicer | S135 S150 G360CA | 3.91 Ratio | New Genuine
360KG105X | Dana Spicer Gearset S135 S150 G360CA | 3.91 Ratio | 1695922C91 | New Genuine The 360KG105X...Regular price $1,347.74 USDSale price $1,347.74 USD Regular priceUnit price perSold out -
Vendor:Dana Off-Highway DOH27717-X | Dana Loaded Differential Case | Dana 70-B | 1.500"-23 Spline A-Gears | New OE
27717-X | Dana Spicer Loaded Differential Case | Dana 70-B | 1.500"–23 Spline | 4.56 & Up –...Regular price $374.47 USDSale price $374.47 USD Regular priceUnit price per$486.50 USDSale -
Vendor:Discount Parts Exchange (DPX)401DT103 Diff Case Plain Half | Dana Spicer | N400 N190 | Casting 401DT102 – NOS
401DT103 | Dana Spicer | N400 N190 Diff Case Plain Half | Casting 401DT102 – NOS 401DT103 is...Regular price $274.74 USDSale price $274.74 USD Regular priceUnit price per -
Vendor:Eaton / Dana Heavy Axle401DU105 Ring Gear Carrier | Dana Spicer | N400 N190 | Casting 401DU104 – NOS
401DU105 | Dana Spicer N400 N190 Ring Gear Carrier – Casting 401DU104 – NOS 401DU105 is a genuine...Regular price $377.74 USDSale price $377.74 USD Regular priceUnit price per -
Vendor:Eaton / Dana Heavy Axle175KQ100-X Diff Case Kit | Dana Spicer | N400 - N190 | Slow Ratios 6.50-7.83 | NOS
175KQ100-X | Dana Spicer N400 N190 Differential Case Kit – Rare Slow Ratio 6.50-7.83 – NOS 175KQ100-X is...Regular price $474.74 USDSale price $474.74 USD Regular priceUnit price per$687.32 USDSale -
Vendor:Eaton / Dana Heavy Axle360KG103-X Gearset | Dana Spicer | S135 S150 G360CA | 3.54 Ratio | New Genuine
360KG103X | Dana Spicer Gearset S135 S150 G360CA | 3.54 Ratio | 1695920C91 | New Genuine The 360KG103X...Regular price $1,074.74 USDSale price $1,074.74 USD Regular priceUnit price per$1,347.74 USDSale -
Vendor:Dana Off-Highway DOH060TA122-3X Dana 60 Axle Tube | Dana Off-Highway | New Genuine
060TA122-3X | Dana 60 Axle Tube | Dana Off-Highway | New Genuine (NOS) New genuine Dana Off-Highway axle...Regular price $187.47 USDSale price $187.47 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.