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A4BF1 Forward Sun Gear 42612LB (29 Teeth)

Catalog name:
Sun Gear, A4BF1/A4BF2 Forward (29 Teeth)(1 Groove)(3.222” Long)
Sun Gear, A4BF1/A4BF2 Forward (29 Teeth)(1 Groove)(3.222” Long) — Part # 42612LB
Part # 42612LB
Type:
Gear
Transmissions:
A4AF1, A4AF2, A4AF3, A4BF1, A4BF2, F4A22, F4A33-1, F4A33-1 A, KM170, KM170-1, W4A-32, W4A33-1
Size:
29 Teeth; 3.222” Long
Data as of:
2026-10-17

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Cross-reference numbers

NumberSystemStatus
42612LBWIT✓ catalog

Where it fits

DiagramPositionTransmission page
A4AF1612—
A4AF3612A4AF3
F4A33-1612F4A33-1
KM170612—
Other parts in A4AF1 position 612:
  • 42612B Sun Gear, KM171 Forward (26 Teeth) 3.780” Long 1983-88
  • 42612C Sun Gear, KM175 Forward (26 Teeth) 3.195” Long (1.020”OD Of Shaft) 1985-89
  • 42612CA Sun Gear, KM175 Forward (29 Teeth) 3.195” Long (1.020”OD Of Shaft) 1985-89
  • 42612D Sun Gear, KM172 Forward (26 Teeth) 3.930” Long 1983-88
  • 42612DA Sun Gear, KM172 Forward (29 Teeth) 3.760” Long 1983-88
  • 42612E Sun Gear, KM175-5 Forward (26 Teeth) 3.195” Long (1.095”OD Of Shaft) 1.610”OD Of Gear (No Groove) 1988-Up
  • 42612EA Sun Gear, KM175-5 Forward (26 Teeth) 3.195” Long (1.095”OD Of Shaft) 1.610”OD Of Gear (1 Groove) 1988-Up
  • 42612EB Sun Gear, KM175-5 Forward (26 Teeth) 3.195” Long (1.095”OD Of Shaft) 1.775”OD Of Gear (1 Groove) 1988-Up
  • 42612G Sun Gear, KM177-8 Forward (29 Teeth) 3.195” Long (No Groove) 1989-Up
  • 42612GA Sun Gear, KM177-8/W4A32 Forward (29 Teeth) 3.195” Long (1 Groove) 1989-Up
  • and 5 more
Other parts in A4AF3 position 612:
  • 42612B Sun Gear, KM171 Forward (26 Teeth) 3.780” Long 1983-88
  • 42612C Sun Gear, KM175 Forward (26 Teeth) 3.195” Long (1.020”OD Of Shaft) 1985-89
  • 42612CA Sun Gear, KM175 Forward (29 Teeth) 3.195” Long (1.020”OD Of Shaft) 1985-89
  • 42612D Sun Gear, KM172 Forward (26 Teeth) 3.930” Long 1983-88
  • 42612DA Sun Gear, KM172 Forward (29 Teeth) 3.760” Long 1983-88
  • 42612E Sun Gear, KM175-5 Forward (26 Teeth) 3.195” Long (1.095”OD Of Shaft) 1.610”OD Of Gear (No Groove) 1988-Up
  • 42612EA Sun Gear, KM175-5 Forward (26 Teeth) 3.195” Long (1.095”OD Of Shaft) 1.610”OD Of Gear (1 Groove) 1988-Up
  • 42612EB Sun Gear, KM175-5 Forward (26 Teeth) 3.195” Long (1.095”OD Of Shaft) 1.775”OD Of Gear (1 Groove) 1988-Up
  • 42612G Sun Gear, KM177-8 Forward (29 Teeth) 3.195” Long (No Groove) 1989-Up
  • 42612GA Sun Gear, KM177-8/W4A32 Forward (29 Teeth) 3.195” Long (1 Groove) 1989-Up
  • and 5 more
Other parts in F4A33-1 position 612:
  • 42612B Sun Gear, KM171 Forward (26 Teeth) 3.780” Long 1983-88
  • 42612C Sun Gear, KM175 Forward (26 Teeth) 3.195” Long (1.020”OD Of Shaft) 1985-89
  • 42612CA Sun Gear, KM175 Forward (29 Teeth) 3.195” Long (1.020”OD Of Shaft) 1985-89
  • 42612D Sun Gear, KM172 Forward (26 Teeth) 3.930” Long 1983-88
  • 42612DA Sun Gear, KM172 Forward (29 Teeth) 3.760” Long 1983-88
  • 42612E Sun Gear, KM175-5 Forward (26 Teeth) 3.195” Long (1.095”OD Of Shaft) 1.610”OD Of Gear (No Groove) 1988-Up
  • 42612EA Sun Gear, KM175-5 Forward (26 Teeth) 3.195” Long (1.095”OD Of Shaft) 1.610”OD Of Gear (1 Groove) 1988-Up
  • 42612EB Sun Gear, KM175-5 Forward (26 Teeth) 3.195” Long (1.095”OD Of Shaft) 1.775”OD Of Gear (1 Groove) 1988-Up
  • 42612G Sun Gear, KM177-8 Forward (29 Teeth) 3.195” Long (No Groove) 1989-Up
  • 42612GA Sun Gear, KM177-8/W4A32 Forward (29 Teeth) 3.195” Long (1 Groove) 1989-Up
  • and 5 more
Other parts in KM170 position 612:
  • 42612B Sun Gear, KM171 Forward (26 Teeth) 3.780” Long 1983-88
  • 42612C Sun Gear, KM175 Forward (26 Teeth) 3.195” Long (1.020”OD Of Shaft) 1985-89
  • 42612CA Sun Gear, KM175 Forward (29 Teeth) 3.195” Long (1.020”OD Of Shaft) 1985-89
  • 42612D Sun Gear, KM172 Forward (26 Teeth) 3.930” Long 1983-88
  • 42612DA Sun Gear, KM172 Forward (29 Teeth) 3.760” Long 1983-88
  • 42612E Sun Gear, KM175-5 Forward (26 Teeth) 3.195” Long (1.095”OD Of Shaft) 1.610”OD Of Gear (No Groove) 1988-Up
  • 42612EA Sun Gear, KM175-5 Forward (26 Teeth) 3.195” Long (1.095”OD Of Shaft) 1.610”OD Of Gear (1 Groove) 1988-Up
  • 42612EB Sun Gear, KM175-5 Forward (26 Teeth) 3.195” Long (1.095”OD Of Shaft) 1.775”OD Of Gear (1 Groove) 1988-Up
  • 42612G Sun Gear, KM177-8 Forward (29 Teeth) 3.195” Long (No Groove) 1989-Up
  • 42612GA Sun Gear, KM177-8/W4A32 Forward (29 Teeth) 3.195” Long (1 Groove) 1989-Up
  • and 5 more
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