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42RE/A500 Rear Clutch Drum Ring 12178BT (Forward)

Catalog name:
Ring, A904/A500 Rear Clutch Drum (Forward)(1.560”OD)(Teflon) 1978-Up
Ring, A904/A500 Rear Clutch Drum (Forward)(1.560”OD)(Teflon) 1978-Up — Part # 12178BT
Part # 12178BT
Type:
Clutch, drum, ring
Transmissions:
30RH, 32RH, 40RH, 42RE, 42RH, 44RE, A998
Years:
1978-Up
Size:
1.560”OD
Data as of:
2026-10-17

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Cross-reference numbers

NumberSystemStatus
12178BTWIT✓ catalog

Where it fits

DiagramPositionTransmission page
30RH178—
42RE17842RE
Other parts in 30RH position 178:
  • 12178A Ring, A55 Sun Gear
  • 12178B Ring, A904/A500 Rear Clutch Drum (Forward) (1.560”OD) (Metal) 1978-Up
Other parts in 42RE position 178:
  • 12178A Ring, A55 Sun Gear
  • 12178B Ring, A904/A500 Rear Clutch Drum (Forward) (1.560”OD) (Metal) 1978-Up
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