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Dodge Ram 47re 47rh 48re Heavy Duty Input Shaft 300m & Piston Sonnax 22121b-02k on 2040-parts.com

US $745.75
Location:

Saint Petersburg, Florida, United States

Saint Petersburg, Florida, United States
Condition:New Brand:Sonnax Warranty:Yes Manufacturer Part Number:22121B-02K UPC:Does not apply

 47RH 47RE 48RE A618 Smart-Tech High Capacity 300M Steel Input Shaft & Piston Kit

fits DODGE Cummins Diesel APPLICATIONS

 


INPUT SHAFT FEATURES:
  • Heavy Duty, One Piece design eliminates weak connection between input shaft and forward (direct) clutch hub
  • Custom forged from ultra-high strength 300M steel
  • 23 tooth input spline, 62 tooth clutch spline
  • Can be used with OE seals 
PISTON KIT FEATURES:
  • Direct Clutch Piston with Anti-Rotation Tabs
  • Steel Clutch Plate .068" with missing lugs
  • Kit increases direct clutch capacity by 20%
  • No change to backing plate thickness or retaining ring

DESCRIPTION:

Designed for hard working Dodge A618, 47RH, 47RE and 48RE units, Sonnax heavy duty input shaft 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.

The Smart-Tech high capacity input shaft and piston kit has a hub with longer direct (front) clutch splines. Combining longer splines with a thinner billet aluminum direct piston allows for one extra (OE thickness) direct friction plate, while keeping the OE thickness steels, backing plate, OE waved retaining ring and OE clutch clearances.

Some common aftermarket modifications designed to include extra clutches require reduced steel thickness and decrease the heat absorption capacity of the clutch pack, others reduce clearance and eliminate the waved retaining ring, which contributes to excessive 2-3 shift overlap. This kit avoids these problems by increasing the number of frictions from 5 to 6, adding to the steel mass of the clutch pack, and maintaining the OE thickness backing plate and clearances for the optimum combination of increased capacity and durability.

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