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4L60 4L60E 4L65E 4L70 Transmission Sonnax Input Drum Reinforcement Kit 77733-51K
4L60 4L60E 4L65E 4L70 Transmission Sonnax Input Drum Reinforcement Kit 77733-51K

4L60 4L60E 4L65E 4L70 Transmission Sonnax Input Drum Reinforcement Kit 77733-51K

$ 45.67

Availability: 87 in stock
  • Item must be returned within: 30 Days
  • Placement on Vehicle: Front
  • Interchange Part Number: 7773351K, GM transmission, Heavy duty, HP, Shift
  • Fitment Type: Performance/Custom
  • Warranty: 6 Month
  • Refund will be given as: Money back or replacement (buyer's choice)
  • Mounting Hardware Included: No
  • Non-Domestic Product: No
  • Custom Bundle: No
  • Return shipping will be paid by: Buyer
  • Country/Region of Manufacture: United States
  • Manufacturer Part Number: 77733-51K
  • Condition: New
  • Modified Item: No
  • Brand: Sonnax
  • OE Spec or Performance/Custom: Performance/Custom
  • Returns Accepted: Returns Accepted
  • Surface Finish: new sleeve and aluminum piston
  • Superseded Part Number: 1500, 2500, transmission parts, transmission HP
  • Drive Type: 4WD
  • Other Part Number: Superduty, 4l60E heavy duty, transmission
  • Core Charge: no

    Description

    designed for use only with a stamped steel forward piston
    4L60, 4L60-E, 4L65-E, 4L70-E
    Input Drum Reinforcement Kit
    Part No.
    77733-51K
    Reinforcement Sleeve
    Overrun Piston Inner Seal
    Overrun Piston
    Overrun Piston Outer Seal
    The GM 4L60, 4L60-E, 4L65-E and 4L70-E input drum assembly is known to crack where the input shaft is pressed into it (where the overrun piston rides).
    Sonnax offers a hardened steel sleeve that reinforces the input drum to prevent this failure.
    Sonnax input drum reinforcement kit 77733-51K includes a custom manufactured overrun piston designed for use only with a stamped steel forward piston, eliminating the need to use aluminum forward pistons.
    Custom overrun piston works with steel forward piston
    Chromoly steel sleeve design will not block clutch feed oil
    Universal design fits both early- and late-model units
    Remember not all eBay sellers and products are the same! Don’t always shop price because there are a lot of cheap parts (poor quality) for sale.
    We take pride in quality parts, fast free shipping, with honest answer to your questions and the best customer service possible.
    We have been in the transmission industry for over 20 plus years. I'm proud to say I'm a 2nd generation transmission re-builder and transmission tech. I do not sell any product that I would not use on my own rebuilds.
    RETURNS: If you have any reason for return please contact us 1st before opening a return claim.
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