401DT103 | Dana Spicer | N400 N190 Diff Case Plain Half | Casting 401DT102 – NOS

401DT103 | Dana Spicer | N400 N190 Diff Case Plain Half | Casting 401DT102 – NOS 401DT103 is a genuine Dana Spicer differential case top / plain half with casting number 401DT102. This rare New Old Stock (NOS) component is part of the high-numerical slow ratio (6.50–7.83) differential setups for N400 and N190 axle models. Call 419-522-3320 for pricing and availability. Key Specifications Part Number: 401DT103 Casting Number: 401DT102 Manufacturer: Dana Spicer Application: N400 / N190 Series Axles Type: Differential Case Top / Plain Half Condition: New Old Stock (NOS) Fitment Notes This plain half is used in rare slow ratio differential configurations, commonly found in single axle refuse trucks, utility, and tree service vehicles. Always verify your axle model and BOM number before ordering. Also available as part of the complete kit: 175KQ100-X Dana Spicer Differential Case Kit DPX Drivetrain Tools Hub Free tools built by rebuilders for truckers and fleets — Road Speed & Ratio Calculator, PTO shimming procedures, gear ratio comparison charts, and our full IPL library for instant parts identification. Open DPX Drivetrain Tools Hub → Image Disclaimer Photos show the actual NOS differential case top half you will receive. Shipping / Location Ships from our Mansfield, Ohio warehouse (419-522-3320) Parcel or LTL options available based on weight Warehouse Bin Location: DPX_OH_BR549_DAN Heavy-Duty Solutions — Built to Perform. Trusted to Last. Discount Parts Exchange (DPX) — Mansfield, Ohio — Since 1997