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Sonnax 22301B-01K

2nd Gear Super Hold Servo Kit 46RE, 46RH, 47RE, 47RH, 48RE, A727

Sonnax 22301B-01K


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Estimated to ship directly from the manufacturer on 06/06/18
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Sonnax 22301B-01K 2nd Gear Super Hold Servo Kit 46RE, 46RH, 47RE, 47RH, 48RE, A727 $95.94
2nd Gear Super Hold Servo Kit
  • 46RE, 46RH, 47RE, 47RH, 48RE, A727

  • Sonnax 22301B-01K Details

    Servo Kits

    • Cover
    • Piston
    • Sleeve
    • Pin
    • Retaining Ring
    • Seals/Seal Rings (5)
    • O-Rings (3)

    This Sonnax 2nd gear super hold servo kit 22301B-01K offers 16% more apply area than the OE servo and is the largest and most leak-free servo available for listed Chrysler applications. The small and large diameters of both the piston and cover have improved sealing which eliminates cross leaks and results in 15% less leakage than other designs. Less leakage means there is more pump volume available for the converter and to maintain line pressure.

    The rubber and PTFE seals enhance positive sealing and prevent piston contact and bore scuffing. The smaller diameter apply pin gives more area to the release side of the servo where direct clutch oil pushes the servo off during the 2-3 shift.

    This increased area balances against the greater 2nd apply area to maintain a favorable apply-to-release area ratio and minimize shift overlap on the 2-3 shift. The overall result is more holding force in 2nd, firmer 1-2 and 2-3 shifts that become firmer under load.

    For higher horsepower applications, this servo reduces the need for aggressive lever ratios, excessively high line pressure and other more radical modifications in order to get firmer shifts.

    • 16% more apply area provides more band holding power in 2nd gear
    • One easy-to-install part improves 1-2 and 2-3 shifts
    • Improved seal design conserves pump volume
    • Anodized aluminum for increased durability


    Manufacturer's Part Number:

    In high performance applications where a larger servo is desired, the Sonnax Servo Kits provide a larger apply area. The Sonnax servo is calibrated to progressively increase band apply force as line pressure increases. Sonnax servos are the perfect upgrade for more holding power without excessively harsh shifts.

    22301B-01K - Sonnax Servo Kits is rated 5.0 out of 5 by 1.
    Rated 5 out of 5 by from Awesome part Would recommened to every dodge owner that automatic transmission up to 2006
    Date published: 2018-02-18
    • y_2018, m_5, d_19, h_20
    • bvseo_bulk, prod_bvrr, vn_bulk_2.0.8
    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_1
    • loc_en_US, sid_10001_10001_3310923, prod, sort_[SortEntry(order=RATING, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
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    Some parts are not legal for use in California or other states with similar laws / regulations