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Drum, A904/A500 Reverse (Takes A Slide On Inner Race) 1974-87

Drum, A904/A500 Reverse (Takes A Slide On Inner Race) 1974-87 — Part # 12556
Part # 12556
Type:
Drum
Transmissions:
30RH, 32RH, 40RH, 42RE, 42RH, 44RE, A998
Years:
1974-87
Data as of:
2026-10-17

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Cross-reference numbers

NumberSystemStatus
4130867OEM✓✓ confirmed by 2 sources
12556WIT✓ catalog
12159DACCO? unverified

Where it fits

DiagramPositionTransmission page
30RH556—
42RE55642RE
Other parts in 30RH position 556:
  • 12556A Drum, A904/A500 Reverse (W/Pressed On Inner Race) 1988-95
  • 12556B Drum, A904/A500 Reverse (W/Pressed On Inner Race) 1990-Up (Drum Is Undercut In Front For Washer #254)
Other parts in 42RE position 556:
  • 12556A Drum, A904/A500 Reverse (W/Pressed On Inner Race) 1988-95
  • 12556B Drum, A904/A500 Reverse (W/Pressed On Inner Race) 1990-Up (Drum Is Undercut In Front For Washer #254)
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