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 Axle111351 Gearset | Dana Spicer | Eaton RS480, 3.55 Ratio | New (NOS) Genuine Eaton
111351 | Eaton / Dana Spicer Gearset | RS480 / 44RS / 23120-1 | 3.55 Ratio | New...Regular price $1,574.47 USDSale price $1,574.47 USD Regular priceUnit price per -
Vendor:Eaton / Dana Heavy Axle110807, 110808 | Eaton | Dana Spicer DS402-P Input Retainer | New (NOS) Genuine
110807, 110808 | Eaton / Dana Spicer DS402-P Input Retainer | New Genuine (NOS) New genuine Eaton /...Regular price $74.74 USDSale price $74.74 USD Regular priceUnit price per -
Vendor:Eaton / Dana Heavy Axle110150, 0110150 | Eaton Dana Spicer Momentary Switch Assembly | New (NOS) Genuine
110150, 0110150 | Eaton / Dana-Spicer Momentary Switch Assembly | New Genuine (NOS) New genuine Eaton / Dana-Spicer...Regular price $97.47 USDSale price $97.47 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.