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3T40 (125C)

Pump Shaft with Bearing
Part No. 75877A

1984 & later

Sonnax pump shaft 75877A is a direct replacement for late-model GM 3T40 (125C) shafts from '84-later. The Sonnax shaft is made of higher grade steel than the OE to improve wear resistance of the spline surface, and the shaft incorporates a solid steel collar in place of the OE stamped metal collar.

  • Direct replacement shaft for late-model, '84-later 125C units
  • Higher grade steel and solid steel collar for improved wear resistance
  • 75877a