401DU105 | Dana Spicer | N400 N190 Ring Gear Carrier | Casting 401DU104 – NOS

401DU105 | Dana Spicer N400 N190 Ring Gear Carrier – Casting 401DU104 – NOS 401DU105 is a genuine Dana Spicer ring gear carrier (casting number 401DU104) for N400 and N190 axle models. This rare New Old Stock (NOS) component is part of the high-numerical slow ratio differential setups (6.50–7.83 range). Call 419-522-3320 for pricing and availability. Key Specifications Part Number: 401DU105 Casting Number: 401DU104 Manufacturer: Dana Spicer Application: N400 / N190 Series Axles Condition: New Old Stock (NOS) Fitment Notes This ring gear carrier is commonly used in rare slow ratio configurations for single axle refuse trucks, utility, and tree service vehicles. Verify compatibility with 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 ring gear carrier 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