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Ring, A40/A41/A43 Forward Drum (2.029”OD) (Metal) 1973-81

Ring, A40/A41/A43 Forward Drum (2.029”OD) (Metal) 1973-81 — Part # 57181A
Part # 57181A
Type:
Drum, ring
Transmissions:
03-70, 03-71L, 03-72L, A40, A40D, A42DL
Years:
1973-81
Size:
2.029”OD
Data as of:
2026-10-17

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Cross-reference numbers

NumberSystemStatus
35617-22010OEM✓✓ confirmed by 2 sources
57181AWIT✓ catalog
46301Precision? unverified
71002738TransTec? unverified
B20071TransTec? unverified

Where it fits

DiagramPositionTransmission page
03-72L181—
A40181—
Other parts in 03-72L position 181:
  • 57181AA Ring, A40 Series Forward/Direct/Overdrive Drum (2.029”) (Metal) 1973-81
  • 57181AB Ring, A40 Series Forward/Direct/Overdrive Drum (2.046”OD) (Metal) 1981-Up (Use 157179)
Other parts in A40 position 181:
  • 57181AA Ring, A40 Series Forward/Direct/Overdrive Drum (2.029”) (Metal) 1973-81
  • 57181AB Ring, A40 Series Forward/Direct/Overdrive Drum (2.046”OD) (Metal) 1981-Up (Use 157179)
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