390KG213-X | Dana Spicer S400 Rear Gear Set | 3.21 Ratio – New Genuine (NOS)

390KG213-X (International cross 2500199C91) is a New Genuine (NOS) Dana Spicer ring and pinion gear set with a 3.21 ratio. This unused OEM gear set is designed for S400 Rear differential applications and is in excellent condition.

Call 419-522-3320 for pricing and availability.

Key Specifications

• Part Number: 390KG213-X
• Cross Reference: International 2500199C91
• Manufacturer: Dana Spicer
• Gear Ratio: 3.21
• Component: Ring & Pinion Gear Set
• Condition: New Genuine (NOS)
• Application: Dana Spicer S400 Rear Differentials

What’s Included

• (1) Ring & Pinion Gear Set – 390KG213-X

Fitment Notes

Designed for Dana Spicer S400 Rear axle applications. Always confirm ratio and differential model compatibility with your axle BOM before ordering. No hardware included.

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 New Genuine (NOS) gear set you will receive.

Shipping / Location

• Ships from our Mansfield, Ohio warehouse (419-522-3320)
• Parcel or LTL options available based on packaging and 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