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  • 22912A

New A 500 42RH 42RE 44RE 904 Sonnax 22912A Billet Rear Servo Piston

$21.00
SKU:
22912A
Condition:
New
Weight:
0.40 LBS
Shipping:
Calculated at checkout
Quantity:

Product Description

New Sonnax 22912A Rear Servo Piston.

This is a New Sonnax Rear Servo Piston For the Below Automatic Transmissions:

Mopar   Dodge   Jeep   Chrysler   Plymouth   Mitsubishi   International

  • A500 - 500 1988-2004
    • 40RH
    • 42RH
    • 42RE
    • 44RE
  • A904 (TF6) TorqueFlite 6 1960-ON
    • 30RH
  • A998 (TF6) TorqueFlite 6 1960-ON
    • 31RH
  • A999 (TF6) TorqueFlite 6 1960-ON
    • 32RH


SEALS NOT INCLUDED!!!!!

THIS IS A 2.540" OUTER DIAMETER PISTON.


THIS LISTING IS FOR (1) ONE SONNAX PISTON BELOW.

  1. Rear Servo Piston Part No. 22912A


Replaces OE Part No: 2801271

Many Chrysler A904 and 42H/RE transmissions experience rear servo piston sticking/breakage, pin bore wear and reverse band slippage. The servo piston has a tendency to get cocked in the bore, inhibiting band apply. The high reverse line pressure continues to apply against a cocked piston, causing piston breakage. The bore of the piston also wears from side loading, resulting in insufficient band apply pressure.

Sonnax billet aluminum rear servo piston 22912A addresses these problems.

  • Modified seal ridges prevent piston from sticking in case bore
  • Billet aluminum won’t crack like OE cast piston
  • 2.540" O.D.





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