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Drum, 700R4 Reverse Input (No Check Ball) 3/1987-91 (Has Round Oil Holes In Bore)

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Part # 74556A
Type:
Drum
Transmissions:
4L60, 4L60E, 4L65E, 4L70E
Years:
1987-91
Data as of:
2026-10-17

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Cross-reference numbers

NumberSystemStatus
74556AWIT✓ catalog
8663068OEM✓ catalog
77716ADACCO? unverified

Where it fits

DiagramPositionTransmission page
4L60E5564L60E
Other parts in 4L60E position 556:
  • 74556 Drum, 700R4 Reverse Input (W/Check Ball) 1982-2/87
  • 74556B Drum, 4L60E Reverse Input (No Check Ball) 1992-Up (Has Square Oil Holes In Bore)(Retro-Fits 700R4 87-Up)
  • 74556BAK Drum W/Piston, 4L60E Reverse Input (No Check Ball) 1992-Up (Has Square Oil Holes In Bore) (With 4 Clutch Piston #…
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