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A4AF3 Overdrive Drum 42550LA (5 Clutch)

Catalog name:
Drum, A4AF3 Overdrive (5 Clutch)(No Groove On OD)(1 3/4” Tall)
Drum, A4AF3 Overdrive (5 Clutch)(No Groove On OD)(1 3/4” Tall) — Part # 42550LA
Part # 42550LA
Type:
Clutch, drum
Transmissions:
A4AF1, A4AF2, A4AF3, A4BF1, A4BF2, F4A22, F4A33-1, F4A33-1 A, KM170, KM170-1, W4A-32, W4A33-1
Size:
No Groove On OD; 1 3/4” Tall
Data as of:
2026-10-17

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Cross-reference numbers

NumberSystemStatus
42550LAWIT✓ catalog

Where it fits

DiagramPositionTransmission page
A4AF1550—
A4AF3550A4AF3
F4A33-1550F4A33-1
KM170550—
Other parts in A4AF1 position 550:
  • 42550C Drum, KM175 Overdrive (3 Clutch) (1 Groove On ID) 1985-89
  • 42550E Drum, KM175-5/KM176-5/A4AF1 Overdrive (3 Clutch) (Stepped Lugs On OD) (1 1/8”Tall)
  • 42550EA Drum, KM175-5/KM176-5 Overdrive (3 Clutch) (Lugs On OD Are Not Stepped)
  • 42550G Drum, KM177-8/F4A23 Overdrive (4 Clutch) (Stepped Lugs On OD)
  • 42550GA Drum, KM177-8/A4BF1/A4BF2 Overdrive (4 Clutch)(Lugs On OD Are Not Stepped)(1 1/4”Tall)
  • 42550L Drum, A4BF Overdrive (3 Clutch) (1 Groove On OD)(1 5/8” Tall)
  • 42550M Drum, F4A33/W4A32/W4A33 Overdrive (4 Clutch) (1.230”ID Piston) 1990-Up
Other parts in A4AF3 position 550:
  • 42550C Drum, KM175 Overdrive (3 Clutch) (1 Groove On ID) 1985-89
  • 42550E Drum, KM175-5/KM176-5/A4AF1 Overdrive (3 Clutch) (Stepped Lugs On OD) (1 1/8”Tall)
  • 42550EA Drum, KM175-5/KM176-5 Overdrive (3 Clutch) (Lugs On OD Are Not Stepped)
  • 42550G Drum, KM177-8/F4A23 Overdrive (4 Clutch) (Stepped Lugs On OD)
  • 42550GA Drum, KM177-8/A4BF1/A4BF2 Overdrive (4 Clutch)(Lugs On OD Are Not Stepped)(1 1/4”Tall)
  • 42550L Drum, A4BF Overdrive (3 Clutch) (1 Groove On OD)(1 5/8” Tall)
  • 42550M Drum, F4A33/W4A32/W4A33 Overdrive (4 Clutch) (1.230”ID Piston) 1990-Up
Other parts in F4A33-1 position 550:
  • 42550C Drum, KM175 Overdrive (3 Clutch) (1 Groove On ID) 1985-89
  • 42550E Drum, KM175-5/KM176-5/A4AF1 Overdrive (3 Clutch) (Stepped Lugs On OD) (1 1/8”Tall)
  • 42550EA Drum, KM175-5/KM176-5 Overdrive (3 Clutch) (Lugs On OD Are Not Stepped)
  • 42550G Drum, KM177-8/F4A23 Overdrive (4 Clutch) (Stepped Lugs On OD)
  • 42550GA Drum, KM177-8/A4BF1/A4BF2 Overdrive (4 Clutch)(Lugs On OD Are Not Stepped)(1 1/4”Tall)
  • 42550L Drum, A4BF Overdrive (3 Clutch) (1 Groove On OD)(1 5/8” Tall)
  • 42550M Drum, F4A33/W4A32/W4A33 Overdrive (4 Clutch) (1.230”ID Piston) 1990-Up
Other parts in KM170 position 550:
  • 42550C Drum, KM175 Overdrive (3 Clutch) (1 Groove On ID) 1985-89
  • 42550E Drum, KM175-5/KM176-5/A4AF1 Overdrive (3 Clutch) (Stepped Lugs On OD) (1 1/8”Tall)
  • 42550EA Drum, KM175-5/KM176-5 Overdrive (3 Clutch) (Lugs On OD Are Not Stepped)
  • 42550G Drum, KM177-8/F4A23 Overdrive (4 Clutch) (Stepped Lugs On OD)
  • 42550GA Drum, KM177-8/A4BF1/A4BF2 Overdrive (4 Clutch)(Lugs On OD Are Not Stepped)(1 1/4”Tall)
  • 42550L Drum, A4BF Overdrive (3 Clutch) (1 Groove On OD)(1 5/8” Tall)
  • 42550M Drum, F4A33/W4A32/W4A33 Overdrive (4 Clutch) (1.230”ID Piston) 1990-Up
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