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

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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