t a  e 
REF NO. Part categories Parameter
ENGINETECH : 129000 Crankshaft
ENGINETECH : 129050 Crankshaft
ENGINETECH : 112950 Crankshaft
ENGINETECH : 112960 Crankshaft
GM GENUINE : 12626959 Crankshaft
GM GENUINE : 12661875 Crankshaft
  • Engine Stroke (in): 3.37
  • Engine Stroke (mm): 85.598
  • Main Bearing Cap Bolt Quantity: 4
  • Material: Steel Forged 1538MV
  • Type: One Piece Rear Seal
GM GENUINE : 12623074 Crankshaft
  • Main Bearing Cap Bolt Quantity: 8
  • Main Journal Bushing Width (in): 0.54
  • Main Journal Bushing Width (mm): 13.71
  • Main Journal Diameter (in): 2.91
  • Main Journal Diameter (mm): 74
  • Material: Steel
  • Rod Diameter (in): 2.48
  • Rod Diameter (mm): 63
  • Type: Internal Balance
GM GENUINE : 12642339 Crankshaft
  • Engine Stroke (in): 3.37
  • Engine Stroke (mm): 85.598
  • Main Bearing Cap Bolt Quantity: 6
  • Material: Steel
  • Type: One Piece Rear Seal
GM GENUINE : 12661864 Crankshaft
  • Engine Stroke (in): 3.16
  • Engine Stroke (mm): 80.264
  • Main Bearing Cap Bolt Quantity: 4
  • Material: Steel
  • Type: One Piece Rear Seal
GM GENUINE : 12661873 Crankshaft
  • Engine Stroke (in): 3.37
  • Engine Stroke (mm): 85.598
  • Main Bearing Cap Bolt Quantity: 6
  • Material: Steel
  • Type: One Piece Rear Seal
GM GENUINE : 12665380 Crankshaft
  • Main Bearing Cap Bolt Quantity: 10
  • Main Journal Bushing Width (in): 0.94
  • Main Journal Bushing Width (mm): 23.93
  • Main Journal Diameter (in): 2.83
  • Main Journal Diameter (mm): 72
  • Material: Steel
  • Rod Diameter (in): 2
  • Rod Diameter (mm): 50.8
  • Rod Length (IN): 5.46
  • Rod Length (mm): 138.83
  • Type: Internal Balance
GM GENUINE : 12699162 Crankshaft
  • Main Bearing Cap Bolt Quantity: 2
  • Main Journal Bushing Width (in): 0.76
  • Main Journal Diameter (in): 2.8
  • Material: Forged
  • Rod Diameter (in): 2.53
GM GENUINE : 55504614 Crankshaft
  • Main Bearing Cap Bolt Quantity: 10
  • Main Journal Bushing Width (in): 0.56
  • Main Journal Bushing Width (mm): 14.14
  • Main Journal Diameter (in): 2.15
  • Main Journal Diameter (mm): 54.6
  • Material: Steel
  • Rod Diameter (in): 2.03
  • Rod Diameter (mm): 51.6
  • Type: Internal Balance
GM GENUINE : 12653000 Crankshaft
  • Engine Stroke (in): 3.37
  • Engine Stroke (mm): 85.598
  • Main Bearing Cap Bolt Quantity: 6
  • Material: Steel
  • Type: One Piece Rear Seal
GM GENUINE : 12676732 Crankshaft
  • Engine Stroke (in): 3.37
  • Engine Stroke (mm): 85.598
  • Main Bearing Cap Bolt Quantity: 6
  • Material: Steel Forged 1538MV
  • Type: One Piece Rear Seal
GM GENUINE : 12710954 Crankshaft
GM GENUINE : 12683977 Crankshaft
  • Main Bearing Cap Bolt Quantity: 2
  • Main Journal Diameter (in): 68
  • Main Journal Diameter (mm): 2.68
  • Material: Metal
  • Type: Cast
GM GENUINE : 19431872 Crankshaft
  • Main Bearing Cap Bolt Quantity: 2
  • Material: Metal
GM GENUINE : 19431873 Crankshaft
  • Main Bearing Cap Bolt Quantity: 2
  • Material: Metal
GM GENUINE : 12712274 Crankshaft
  • Main Journal Diameter (in): 2.01
  • Main Journal Diameter (mm): 51
  • Material: Steel
GM GENUINE : 40009035 Crankshaft
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    Size/Parameters

    Annotated Parameter name Size range Unit