Collection: Eaton & Dana Differential Parts | NOS OEM Parts
Dana-Spicer & Eaton Differential Gearsets — Ready for Work
Stock up on Dana-Spicer and Eaton ring & pinion gear sets for the axle models fleets run every day: S135, S150, 360CA, DS/RS404, S400, and more. Need lower RPM on the highway or more pull off the line? These gear sets deliver clean patterns and proven durability when set up to spec.
What We Stock
- OEM NOS & Take-Outs: Genuine factory parts and verified take-outs for OE fit and finish.
- Quality Aftermarket: Solid options for cost-effective ratio changes and rebuilds.
- Popular Ratios: From fuel-saver to heavy-haul (availability varies by axle model).
Why Buy From Us
- Real-world Spec Help: We match ratios to engine, transmission, and tire size so the combo works.
- Shop-Checked: Teeth, patterns, and compatibility inspected before it ships.
- Fast Freight: LTL to verified commercial addresses — international shipping available.
Common Uses
Line-haul, vocational, municipal, and utility fleets doing rebuilds, ratio swaps, or drivetrain refreshes that have to hold up under load.
Need Fitment Help?
Have an axle tag, BOM, or casting number? Call 419-522-3320. We’ll confirm the correct gear set before you order.
Heavy-Duty Solutions — Built to Keep Your Drivetrain Moving.
Built to Perform. Trusted to Last.
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Vendor:truckparts4u.com390KG102-X Gear Set | Used Dana Spicer S400-R 3.07 Ratio, International 2500158C91
Product Summary Part Number: 390KG102-XCondition: UsedBrand: SpicerAxle Model: S400Gear Ratio: 3.07Ring Teeth Count: 43Pinion Teeth Count: 14Ring Gear...Regular price $1,147.74 USDSale price $1,147.74 USD Regular priceUnit price per -
Vendor:Eaton / Dana Heavy Axle390DU103 Flange Half | Dana Spicer S400 | Ratio 3.21–3.73 | NOS - Genuine
390DU103 Differential Flange Half — Dana Spicer S400 | Casting 390DU102 | New Old Stock (Surplus) 390DU103 is...Regular price $177.47 USDSale price $177.47 USD Regular priceUnit price per -
Vendor:Eaton / Dana Heavy Axle360SR104-1 Dana Spicer Axle Shaft | S135/S150 | 36 Spline | New Genuine Take-Out
360SR104-1 Dana Spicer Axle Shaft — S135 / S150 / G360CA | 36 Spline | New Genuine Take-Out...Regular price $474.47 USDSale price $474.47 USD Regular priceUnit price per -
Vendor:Eaton / Dana Heavy Axle360KG120-X Gearset | Dana S135/S150 | 5.38 Ratio | New Genuine
360KG120X Dana Gearset | S135 S150 G360CA | 5.38 Ratio | 1697157C91 | New Take-Out The 360KG120X is...Regular price $1,347.74 USDSale price $1,347.74 USD Regular priceUnit price perSold out -
Vendor:Eaton / Dana Heavy Axle360KG107-X Gear Set | Genuine OEM Dana S135/S150 4.44 Ratio
360KG107X Dana Gearset | S135 S150 G360CA | 4.44 Ratio | 1695924C91 | New Genuine The 360KG107X is...Regular price $1,347.74 USDSale price $1,347.74 USD Regular priceUnit price per -
Vendor:truckparts4u.com360KG105-XU Gearset | Used Dana S135/S150 | 3.91 Ratio
360KG105X Dana Gearset | S135 S150 G360CA | 3.91 Ratio | 1697153C91 | Used Ring & Pinion The...Regular price $1,147.74 USDSale price $1,147.74 USD Regular priceUnit price per -
Vendor:Eaton / Dana Heavy Axle360KG104-X Gear Set | Genuine OEM Dana S135/S150 3.73 Ratio
360KG104X Dana Gearset | S135 S150 G360CA | 3.73 Ratio | 1695921C91 | New Genuine The 360KG104X is...Regular price $1,347.74 USDSale price $1,347.74 USD Regular priceUnit price per -
Vendor:truckparts4u.com360KG102-X Gearset | Dana S135/S150 | 3.38 Ratio | New Genuine
360KG102X Dana Gearset | S135 S150 G360CA | 3.38 Ratio | 1697150C91 | New Genuine The 360KG102X is...Regular price $1,347.74 USDSale price $1,347.74 USD Regular priceUnit price per -
Vendor:truckparts4u.com28628-1X Gearset | Genuine Dana D28628X, Meritor/AxleTech, 9/41 R4.56
28628X Gearset | 4.56 Ratio | Dana Spicer Rockwell AxleTech | New Off-Highway The 28628X / D28628X is...Regular price $774.47 USDSale price $774.47 USD Regular priceUnit price per -
Vendor:truckparts4u.com27717-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 A-Gears | 2-Pin Case | 4.56...Regular price $374.47 USDSale price $374.47 USD Regular priceUnit price per -
Vendor:Eaton / Dana Heavy Axle212901 Gearset | Dana Spicer Eaton DS402, 3.08 Ratio – Used Genuine
212901 Eaton Dana Gearset — DS402 Forward Rear | 3.08 Ratio (37/12) | Ring 128023 + Pinion 128024...Regular price $1,174.47 USDSale price $1,174.47 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 Gearset | DS461-R DD461 | 6.50 Ratio | 128028 128029 | New Take-Off Genuine Product...Regular price $1,547.74 USDSale price $1,547.74 USD Regular priceUnit price per
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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.