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47RE, 47RH, 48RE

Heavy Duty Input Shaft

Part No.

22121B-01

Heavy Duty Input Shaft
  • Heavy Duty Input Shaft

  • 22121b-01-forging_alt

    Input Shaft Forged from Solid Steel

Small_22121b-01 Small_22121b-01-forging_alt

47RE, 47RH, 48RE

Heavy Duty Input Shaft

Part No. 22121B-01

Designed for hard-working Chrysler A618, 47RH/RE and 48RE units, Sonnax heavy duty input shaft 22121B-01 comes with durability and performance features which are second to none.

Instead of the OE two-piece shaft/hub design, the Sonnax shaft uses a much stronger, one-piece design that combines the input shaft and forward clutch hub, eliminating the weak connection between the two. The Sonnax shaft itself is custom forged from ultra high-strength 300M steel to allow the internal grain structure of the steel to follow the general shape of the part, improving shaft strength.

  • Heavy-duty, one-piece design eliminates weak connection between input shaft and forward clutch hub
  • Custom forged from ultra-high strength 300M steel
  • 23-Tooth input spline, 62-tooth clutch spline
  • Shaft can be used with OE seals

Related Parts

Unmatched Durability & Performance with the #1 Dodge Diesel Heavy Duty Input Shafts

Sonnax heavy duty input shafts for 48RE trucks come with durability and performance features that are second to none. This video showcases how the original one-piece input shaft and the newer Smart-Tech® kit with 20% more clutch capacity are designed from the ground up to deliver the absolute best in transmission performance.

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Contact a Sonnax Distributor to purchase this part.