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A4LD Direct Clutch Piston 56961B (4 1/2”OD)

Catalog name:
Piston, A4LD/4R44E/4R55E/5R55E Direct Clutch (4 1/2”OD)(Lip Seal Type)(Cast # 90DT)
Piston, A4LD/4R44E/4R55E/5R55E Direct Clutch (4 1/2”OD)(Lip Seal Type)(Cast # 90DT) — Part # 56961B
Part # 56961B
Type:
Clutch, piston, seal
Transmissions:
4R44E, 4R55E, 5R55E, A4LD, C3
Size:
4 1/2”OD
Data as of:
2026-10-17

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Cross-reference numbers

NumberSystemStatus
56961BWIT✓ catalog
90DTCasting #✓ catalog

Where it fits

DiagramPositionTransmission page
A4LD961A4LD
C3961—
Other parts in A4LD position 961:
  • 56961 Piston, A4LD Overdrive Drum (Lathe Cut Seal Type) 1985-87 (Cast # 74DT)(4 1/4”OD)…
  • 56961A Piston, A4LD/4R44E/4R55E Overdrive Drum (Lip Seal Type) 1988-Up (Cast # 88DT & Some 74DT)…
  • 56961C Piston, 5R55E Overdrive Drum (Cast # 97GT)(4 7/8”OD) 1997-Up
Other parts in C3 position 961:
  • 56961 Piston, A4LD Overdrive Drum (Lathe Cut Seal Type) 1985-87 (Cast # 74DT)(4 1/4”OD)…
  • 56961A Piston, A4LD/4R44E/4R55E Overdrive Drum (Lip Seal Type) 1988-Up (Cast # 88DT & Some 74DT)…
  • 56961C Piston, 5R55E Overdrive Drum (Cast # 97GT)(4 7/8”OD) 1997-Up
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